./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx --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 2261d9b3f7623cbd5155b35c39657066d179b87a48a9848bd1f196c713477a75 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:06:54,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:06:54,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 22:06:54,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:06:54,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:06:54,428 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:06:54,429 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:06:54,430 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:06:54,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:06:54,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:06:54,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:06:54,437 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:06:54,437 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:06:54,438 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:06:54,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:06:54,439 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:06:54,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:06:54,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:06:54,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:06:54,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:06:54,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:06:54,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:06:54,448 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 22:06:54,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:06:54,450 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:06:54,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:06:54,450 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:06:54,464 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:06:54,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:06:54,465 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:06:54,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:54,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:06:54,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:06:54,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:06:54,467 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:06:54,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:06:54,468 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:06:54,468 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:06:54,468 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:06:54,469 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:06:54,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:06:54,469 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2261d9b3f7623cbd5155b35c39657066d179b87a48a9848bd1f196c713477a75 [2023-11-21 22:06:54,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:06:54,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:06:54,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:06:54,796 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:06:54,797 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:06:54,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c [2023-11-21 22:06:57,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:06:58,112 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:06:58,112 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c [2023-11-21 22:06:58,124 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/data/3765feadb/0fd724a007ab47b1965f2982c5d629c1/FLAGff4b03c9d [2023-11-21 22:06:58,143 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/data/3765feadb/0fd724a007ab47b1965f2982c5d629c1 [2023-11-21 22:06:58,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:06:58,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:06:58,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:58,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:06:58,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:06:58,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:58" (1/1) ... [2023-11-21 22:06:58,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb8420f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:58, skipping insertion in model container [2023-11-21 22:06:58,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:58" (1/1) ... [2023-11-21 22:06:58,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:06:58,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:58,479 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:06:58,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:58,540 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:06:58,541 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:06:58,548 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:06:58,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:58 WrapperNode [2023-11-21 22:06:58,549 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:58,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:58,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:06:58,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:06:58,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:58" (1/1) ... [2023-11-21 22:06:58,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:58" (1/1) ... [2023-11-21 22:06:58,601 INFO L138 Inliner]: procedures = 24, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-21 22:06:58,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:58,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:06:58,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:06:58,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:06:58,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:58" (1/1) ... [2023-11-21 22:06:58,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:58" (1/1) ... [2023-11-21 22:06:58,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:58" (1/1) ... [2023-11-21 22:06:58,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:58" (1/1) ... [2023-11-21 22:06:58,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:58" (1/1) ... [2023-11-21 22:06:58,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:58" (1/1) ... [2023-11-21 22:06:58,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:58" (1/1) ... [2023-11-21 22:06:58,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:58" (1/1) ... [2023-11-21 22:06:58,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:06:58,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:06:58,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:06:58,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:06:58,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:58" (1/1) ... [2023-11-21 22:06:58,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:58,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:58,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:58,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:06:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:06:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 22:06:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 22:06:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 22:06:58,741 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 22:06:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 22:06:58,742 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 22:06:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:06:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:06:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:06:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 22:06:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 22:06:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:06:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:06:58,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:06:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:06:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:06:58,746 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 22:06:58,864 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:06:58,866 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:06:59,554 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:06:59,905 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:06:59,906 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 22:06:59,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:59 BoogieIcfgContainer [2023-11-21 22:06:59,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:06:59,912 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:06:59,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:06:59,916 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:06:59,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:06:58" (1/3) ... [2023-11-21 22:06:59,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fa74bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:59, skipping insertion in model container [2023-11-21 22:06:59,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:58" (2/3) ... [2023-11-21 22:06:59,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23fa74bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:59, skipping insertion in model container [2023-11-21 22:06:59,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:59" (3/3) ... [2023-11-21 22:06:59,923 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array.wvr.c [2023-11-21 22:06:59,932 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 22:06:59,943 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:06:59,943 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2023-11-21 22:06:59,943 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 22:07:00,090 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-21 22:07:00,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 252 places, 255 transitions, 531 flow [2023-11-21 22:07:00,300 INFO L124 PetriNetUnfolderBase]: 13/252 cut-off events. [2023-11-21 22:07:00,300 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-21 22:07:00,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 265 conditions, 252 events. 13/252 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 314 event pairs, 0 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 174. Up to 2 conditions per place. [2023-11-21 22:07:00,310 INFO L82 GeneralOperation]: Start removeDead. Operand has 252 places, 255 transitions, 531 flow [2023-11-21 22:07:00,323 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 227 places, 229 transitions, 476 flow [2023-11-21 22:07:00,340 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:07:00,350 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2ed8fa35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:07:00,350 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2023-11-21 22:07:00,368 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 22:07:00,368 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-21 22:07:00,368 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:07:00,369 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:00,369 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:00,370 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:00,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:00,375 INFO L85 PathProgramCache]: Analyzing trace with hash 324532946, now seen corresponding path program 1 times [2023-11-21 22:07:00,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:00,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988024573] [2023-11-21 22:07:00,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:00,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:00,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:00,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:00,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988024573] [2023-11-21 22:07:00,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988024573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:00,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:00,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:00,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123657093] [2023-11-21 22:07:00,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:00,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:00,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:00,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:00,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:00,817 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 255 [2023-11-21 22:07:00,822 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 229 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:00,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:00,826 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 255 [2023-11-21 22:07:00,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:01,010 INFO L124 PetriNetUnfolderBase]: 77/491 cut-off events. [2023-11-21 22:07:01,011 INFO L125 PetriNetUnfolderBase]: For 77/79 co-relation queries the response was YES. [2023-11-21 22:07:01,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 491 events. 77/491 cut-off events. For 77/79 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2002 event pairs, 38 based on Foata normal form. 36/447 useless extension candidates. Maximal degree in co-relation 461. Up to 113 conditions per place. [2023-11-21 22:07:01,020 INFO L140 encePairwiseOnDemand]: 227/255 looper letters, 16 selfloop transitions, 2 changer transitions 3/203 dead transitions. [2023-11-21 22:07:01,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 203 transitions, 460 flow [2023-11-21 22:07:01,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:01,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:01,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 668 transitions. [2023-11-21 22:07:01,044 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.873202614379085 [2023-11-21 22:07:01,045 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 668 transitions. [2023-11-21 22:07:01,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 668 transitions. [2023-11-21 22:07:01,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:01,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 668 transitions. [2023-11-21 22:07:01,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 222.66666666666666) internal successors, (668), 3 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:01,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:01,066 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:01,067 INFO L175 Difference]: Start difference. First operand has 227 places, 229 transitions, 476 flow. Second operand 3 states and 668 transitions. [2023-11-21 22:07:01,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 203 transitions, 460 flow [2023-11-21 22:07:01,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 203 transitions, 448 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-21 22:07:01,080 INFO L231 Difference]: Finished difference. Result has 204 places, 200 transitions, 410 flow [2023-11-21 22:07:01,083 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=410, PETRI_PLACES=204, PETRI_TRANSITIONS=200} [2023-11-21 22:07:01,087 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -23 predicate places. [2023-11-21 22:07:01,088 INFO L495 AbstractCegarLoop]: Abstraction has has 204 places, 200 transitions, 410 flow [2023-11-21 22:07:01,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:01,089 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:01,090 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:01,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:07:01,090 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:01,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:01,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1719453302, now seen corresponding path program 1 times [2023-11-21 22:07:01,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:01,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177928858] [2023-11-21 22:07:01,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:01,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:01,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:01,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:01,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177928858] [2023-11-21 22:07:01,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177928858] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:01,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:01,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:01,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394775249] [2023-11-21 22:07:01,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:01,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:01,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:01,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:01,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:01,207 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 255 [2023-11-21 22:07:01,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 200 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:01,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:01,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 255 [2023-11-21 22:07:01,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:01,383 INFO L124 PetriNetUnfolderBase]: 62/496 cut-off events. [2023-11-21 22:07:01,383 INFO L125 PetriNetUnfolderBase]: For 13/21 co-relation queries the response was YES. [2023-11-21 22:07:01,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 612 conditions, 496 events. 62/496 cut-off events. For 13/21 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1901 event pairs, 34 based on Foata normal form. 0/435 useless extension candidates. Maximal degree in co-relation 582. Up to 100 conditions per place. [2023-11-21 22:07:01,391 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 16 selfloop transitions, 2 changer transitions 0/199 dead transitions. [2023-11-21 22:07:01,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 199 transitions, 444 flow [2023-11-21 22:07:01,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:01,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:01,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 643 transitions. [2023-11-21 22:07:01,394 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8405228758169935 [2023-11-21 22:07:01,395 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 643 transitions. [2023-11-21 22:07:01,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 643 transitions. [2023-11-21 22:07:01,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:01,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 643 transitions. [2023-11-21 22:07:01,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.33333333333334) internal successors, (643), 3 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:01,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:01,403 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:01,403 INFO L175 Difference]: Start difference. First operand has 204 places, 200 transitions, 410 flow. Second operand 3 states and 643 transitions. [2023-11-21 22:07:01,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 199 transitions, 444 flow [2023-11-21 22:07:01,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 199 transitions, 440 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:07:01,413 INFO L231 Difference]: Finished difference. Result has 200 places, 199 transitions, 408 flow [2023-11-21 22:07:01,414 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=200, PETRI_TRANSITIONS=199} [2023-11-21 22:07:01,415 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -27 predicate places. [2023-11-21 22:07:01,415 INFO L495 AbstractCegarLoop]: Abstraction has has 200 places, 199 transitions, 408 flow [2023-11-21 22:07:01,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:01,417 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:01,417 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:01,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:07:01,417 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:01,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:01,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1231106825, now seen corresponding path program 1 times [2023-11-21 22:07:01,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:01,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835970363] [2023-11-21 22:07:01,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:01,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:01,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:01,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:01,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835970363] [2023-11-21 22:07:01,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835970363] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:01,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:01,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:01,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136201691] [2023-11-21 22:07:01,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:01,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:01,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:01,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:01,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:01,566 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 255 [2023-11-21 22:07:01,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 199 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:01,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:01,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 255 [2023-11-21 22:07:01,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:01,735 INFO L124 PetriNetUnfolderBase]: 108/580 cut-off events. [2023-11-21 22:07:01,735 INFO L125 PetriNetUnfolderBase]: For 18/30 co-relation queries the response was YES. [2023-11-21 22:07:01,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 763 conditions, 580 events. 108/580 cut-off events. For 18/30 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2615 event pairs, 59 based on Foata normal form. 0/504 useless extension candidates. Maximal degree in co-relation 725. Up to 164 conditions per place. [2023-11-21 22:07:01,743 INFO L140 encePairwiseOnDemand]: 250/255 looper letters, 17 selfloop transitions, 1 changer transitions 0/195 dead transitions. [2023-11-21 22:07:01,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 195 transitions, 436 flow [2023-11-21 22:07:01,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:01,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:01,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 640 transitions. [2023-11-21 22:07:01,746 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8366013071895425 [2023-11-21 22:07:01,746 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 640 transitions. [2023-11-21 22:07:01,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 640 transitions. [2023-11-21 22:07:01,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:01,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 640 transitions. [2023-11-21 22:07:01,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-11-21 22:07:01,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:01,753 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:01,753 INFO L175 Difference]: Start difference. First operand has 200 places, 199 transitions, 408 flow. Second operand 3 states and 640 transitions. [2023-11-21 22:07:01,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 195 transitions, 436 flow [2023-11-21 22:07:01,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 195 transitions, 432 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:07:01,759 INFO L231 Difference]: Finished difference. Result has 196 places, 195 transitions, 398 flow [2023-11-21 22:07:01,759 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=196, PETRI_TRANSITIONS=195} [2023-11-21 22:07:01,761 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -31 predicate places. [2023-11-21 22:07:01,761 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 195 transitions, 398 flow [2023-11-21 22:07:01,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:01,762 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:01,762 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:01,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:07:01,763 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:01,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:01,764 INFO L85 PathProgramCache]: Analyzing trace with hash 272872926, now seen corresponding path program 1 times [2023-11-21 22:07:01,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:01,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808982269] [2023-11-21 22:07:01,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:01,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:02,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:02,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808982269] [2023-11-21 22:07:02,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808982269] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:02,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:02,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:07:02,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332443875] [2023-11-21 22:07:02,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:02,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:07:02,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:02,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:07:02,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:07:02,723 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 255 [2023-11-21 22:07:02,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 195 transitions, 398 flow. Second operand has 6 states, 6 states have (on average 194.5) internal successors, (1167), 6 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:02,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:02,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 255 [2023-11-21 22:07:02,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:02,918 INFO L124 PetriNetUnfolderBase]: 146/537 cut-off events. [2023-11-21 22:07:02,918 INFO L125 PetriNetUnfolderBase]: For 13/24 co-relation queries the response was YES. [2023-11-21 22:07:02,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 779 conditions, 537 events. 146/537 cut-off events. For 13/24 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2266 event pairs, 83 based on Foata normal form. 0/475 useless extension candidates. Maximal degree in co-relation 742. Up to 227 conditions per place. [2023-11-21 22:07:02,926 INFO L140 encePairwiseOnDemand]: 249/255 looper letters, 29 selfloop transitions, 5 changer transitions 0/194 dead transitions. [2023-11-21 22:07:02,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 194 transitions, 464 flow [2023-11-21 22:07:02,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:07:02,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:07:02,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1193 transitions. [2023-11-21 22:07:02,931 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7797385620915033 [2023-11-21 22:07:02,931 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1193 transitions. [2023-11-21 22:07:02,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1193 transitions. [2023-11-21 22:07:02,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:02,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1193 transitions. [2023-11-21 22:07:02,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 198.83333333333334) internal successors, (1193), 6 states have internal predecessors, (1193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:02,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 255.0) internal successors, (1785), 7 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:02,968 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 255.0) internal successors, (1785), 7 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:02,969 INFO L175 Difference]: Start difference. First operand has 196 places, 195 transitions, 398 flow. Second operand 6 states and 1193 transitions. [2023-11-21 22:07:02,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 194 transitions, 464 flow [2023-11-21 22:07:02,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 194 transitions, 463 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:07:02,976 INFO L231 Difference]: Finished difference. Result has 199 places, 194 transitions, 405 flow [2023-11-21 22:07:02,976 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=405, PETRI_PLACES=199, PETRI_TRANSITIONS=194} [2023-11-21 22:07:02,978 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -28 predicate places. [2023-11-21 22:07:02,979 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 194 transitions, 405 flow [2023-11-21 22:07:02,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.5) internal successors, (1167), 6 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:02,980 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:02,980 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:02,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:07:02,983 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:02,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:02,984 INFO L85 PathProgramCache]: Analyzing trace with hash -61399772, now seen corresponding path program 1 times [2023-11-21 22:07:02,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:02,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427756153] [2023-11-21 22:07:02,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:02,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:03,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:03,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:03,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427756153] [2023-11-21 22:07:03,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427756153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:03,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:03,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:03,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398463862] [2023-11-21 22:07:03,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:03,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:03,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:03,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:03,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:03,064 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 255 [2023-11-21 22:07:03,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 194 transitions, 405 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) [2023-11-21 22:07:03,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:03,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 255 [2023-11-21 22:07:03,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:03,172 INFO L124 PetriNetUnfolderBase]: 42/367 cut-off events. [2023-11-21 22:07:03,172 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2023-11-21 22:07:03,176 INFO L83 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 367 events. 42/367 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1047 event pairs, 15 based on Foata normal form. 0/330 useless extension candidates. Maximal degree in co-relation 428. Up to 62 conditions per place. [2023-11-21 22:07:03,178 INFO L140 encePairwiseOnDemand]: 252/255 looper letters, 12 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2023-11-21 22:07:03,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 193 transitions, 431 flow [2023-11-21 22:07:03,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:03,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2023-11-21 22:07:03,181 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8509803921568627 [2023-11-21 22:07:03,182 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2023-11-21 22:07:03,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2023-11-21 22:07:03,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:03,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2023-11-21 22:07:03,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:03,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:03,189 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:03,189 INFO L175 Difference]: Start difference. First operand has 199 places, 194 transitions, 405 flow. Second operand 3 states and 651 transitions. [2023-11-21 22:07:03,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 193 transitions, 431 flow [2023-11-21 22:07:03,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 193 transitions, 421 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-21 22:07:03,195 INFO L231 Difference]: Finished difference. Result has 195 places, 193 transitions, 397 flow [2023-11-21 22:07:03,196 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=397, PETRI_PLACES=195, PETRI_TRANSITIONS=193} [2023-11-21 22:07:03,198 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -32 predicate places. [2023-11-21 22:07:03,198 INFO L495 AbstractCegarLoop]: Abstraction has has 195 places, 193 transitions, 397 flow [2023-11-21 22:07:03,199 INFO L496 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) [2023-11-21 22:07:03,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:03,200 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:03,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:07:03,201 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:03,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:03,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1796568989, now seen corresponding path program 1 times [2023-11-21 22:07:03,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:03,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761825743] [2023-11-21 22:07:03,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:03,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:03,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:03,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:03,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761825743] [2023-11-21 22:07:03,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761825743] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:03,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:03,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:03,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762709730] [2023-11-21 22:07:03,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:03,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:03,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:03,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:03,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:03,301 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 255 [2023-11-21 22:07:03,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 193 transitions, 397 flow. Second operand has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:03,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:03,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 255 [2023-11-21 22:07:03,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:03,426 INFO L124 PetriNetUnfolderBase]: 137/579 cut-off events. [2023-11-21 22:07:03,427 INFO L125 PetriNetUnfolderBase]: For 37/39 co-relation queries the response was YES. [2023-11-21 22:07:03,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 784 conditions, 579 events. 137/579 cut-off events. For 37/39 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2721 event pairs, 71 based on Foata normal form. 0/509 useless extension candidates. Maximal degree in co-relation 746. Up to 187 conditions per place. [2023-11-21 22:07:03,433 INFO L140 encePairwiseOnDemand]: 250/255 looper letters, 17 selfloop transitions, 1 changer transitions 0/189 dead transitions. [2023-11-21 22:07:03,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 189 transitions, 425 flow [2023-11-21 22:07:03,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:03,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:03,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 640 transitions. [2023-11-21 22:07:03,437 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8366013071895425 [2023-11-21 22:07:03,437 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 640 transitions. [2023-11-21 22:07:03,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 640 transitions. [2023-11-21 22:07:03,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:03,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 640 transitions. [2023-11-21 22:07:03,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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) [2023-11-21 22:07:03,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:03,444 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:03,445 INFO L175 Difference]: Start difference. First operand has 195 places, 193 transitions, 397 flow. Second operand 3 states and 640 transitions. [2023-11-21 22:07:03,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 189 transitions, 425 flow [2023-11-21 22:07:03,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 189 transitions, 421 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:07:03,450 INFO L231 Difference]: Finished difference. Result has 191 places, 189 transitions, 387 flow [2023-11-21 22:07:03,451 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=191, PETRI_TRANSITIONS=189} [2023-11-21 22:07:03,454 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -36 predicate places. [2023-11-21 22:07:03,454 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 189 transitions, 387 flow [2023-11-21 22:07:03,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:03,455 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:03,455 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:03,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 22:07:03,456 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:03,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:03,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1643369405, now seen corresponding path program 1 times [2023-11-21 22:07:03,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:03,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621930719] [2023-11-21 22:07:03,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:03,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:04,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:04,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:04,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621930719] [2023-11-21 22:07:04,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621930719] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:04,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:04,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:07:04,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831370553] [2023-11-21 22:07:04,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:04,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:07:04,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:04,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:07:04,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:07:04,281 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 255 [2023-11-21 22:07:04,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 189 transitions, 387 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) [2023-11-21 22:07:04,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:04,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 255 [2023-11-21 22:07:04,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:04,557 INFO L124 PetriNetUnfolderBase]: 138/480 cut-off events. [2023-11-21 22:07:04,558 INFO L125 PetriNetUnfolderBase]: For 7/19 co-relation queries the response was YES. [2023-11-21 22:07:04,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 692 conditions, 480 events. 138/480 cut-off events. For 7/19 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1638 event pairs, 10 based on Foata normal form. 8/466 useless extension candidates. Maximal degree in co-relation 653. Up to 76 conditions per place. [2023-11-21 22:07:04,564 INFO L140 encePairwiseOnDemand]: 250/255 looper letters, 28 selfloop transitions, 4 changer transitions 0/200 dead transitions. [2023-11-21 22:07:04,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 200 transitions, 473 flow [2023-11-21 22:07:04,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:07:04,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:07:04,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1263 transitions. [2023-11-21 22:07:04,569 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8254901960784313 [2023-11-21 22:07:04,569 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1263 transitions. [2023-11-21 22:07:04,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1263 transitions. [2023-11-21 22:07:04,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:04,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1263 transitions. [2023-11-21 22:07:04,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 210.5) internal successors, (1263), 6 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:04,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 255.0) internal successors, (1785), 7 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:04,579 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 255.0) internal successors, (1785), 7 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:04,579 INFO L175 Difference]: Start difference. First operand has 191 places, 189 transitions, 387 flow. Second operand 6 states and 1263 transitions. [2023-11-21 22:07:04,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 200 transitions, 473 flow [2023-11-21 22:07:04,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 200 transitions, 472 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:07:04,585 INFO L231 Difference]: Finished difference. Result has 194 places, 188 transitions, 392 flow [2023-11-21 22:07:04,585 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=392, PETRI_PLACES=194, PETRI_TRANSITIONS=188} [2023-11-21 22:07:04,586 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -33 predicate places. [2023-11-21 22:07:04,587 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 188 transitions, 392 flow [2023-11-21 22:07:04,587 INFO L496 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) [2023-11-21 22:07:04,588 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:04,588 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:04,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 22:07:04,588 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:04,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:04,589 INFO L85 PathProgramCache]: Analyzing trace with hash 654076863, now seen corresponding path program 1 times [2023-11-21 22:07:04,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:04,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641758077] [2023-11-21 22:07:04,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:04,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:05,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:05,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:05,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641758077] [2023-11-21 22:07:05,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641758077] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:05,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:05,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:07:05,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631017909] [2023-11-21 22:07:05,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:05,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:07:05,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:05,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:07:05,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:07:05,344 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 255 [2023-11-21 22:07:05,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 188 transitions, 392 flow. Second operand has 6 states, 6 states have (on average 206.83333333333334) internal successors, (1241), 6 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:05,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:05,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 255 [2023-11-21 22:07:05,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:05,533 INFO L124 PetriNetUnfolderBase]: 82/409 cut-off events. [2023-11-21 22:07:05,533 INFO L125 PetriNetUnfolderBase]: For 11/18 co-relation queries the response was YES. [2023-11-21 22:07:05,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 409 events. 82/409 cut-off events. For 11/18 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1294 event pairs, 14 based on Foata normal form. 4/388 useless extension candidates. Maximal degree in co-relation 510. Up to 57 conditions per place. [2023-11-21 22:07:05,538 INFO L140 encePairwiseOnDemand]: 250/255 looper letters, 24 selfloop transitions, 4 changer transitions 0/195 dead transitions. [2023-11-21 22:07:05,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 195 transitions, 462 flow [2023-11-21 22:07:05,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:07:05,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:07:05,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1259 transitions. [2023-11-21 22:07:05,543 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.822875816993464 [2023-11-21 22:07:05,543 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1259 transitions. [2023-11-21 22:07:05,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1259 transitions. [2023-11-21 22:07:05,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:05,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1259 transitions. [2023-11-21 22:07:05,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.83333333333334) internal successors, (1259), 6 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:05,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 255.0) internal successors, (1785), 7 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:05,553 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 255.0) internal successors, (1785), 7 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:05,554 INFO L175 Difference]: Start difference. First operand has 194 places, 188 transitions, 392 flow. Second operand 6 states and 1259 transitions. [2023-11-21 22:07:05,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 195 transitions, 462 flow [2023-11-21 22:07:05,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 195 transitions, 455 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:07:05,559 INFO L231 Difference]: Finished difference. Result has 194 places, 187 transitions, 391 flow [2023-11-21 22:07:05,560 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=391, PETRI_PLACES=194, PETRI_TRANSITIONS=187} [2023-11-21 22:07:05,563 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -33 predicate places. [2023-11-21 22:07:05,563 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 187 transitions, 391 flow [2023-11-21 22:07:05,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 206.83333333333334) internal successors, (1241), 6 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:05,564 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:05,564 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:05,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 22:07:05,565 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:05,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:05,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1389002394, now seen corresponding path program 1 times [2023-11-21 22:07:05,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:05,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023386819] [2023-11-21 22:07:05,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:05,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:06,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:06,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:06,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023386819] [2023-11-21 22:07:06,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023386819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:06,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:06,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:07:06,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705525402] [2023-11-21 22:07:06,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:06,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:07:06,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:06,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:07:06,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:07:06,528 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 255 [2023-11-21 22:07:06,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 187 transitions, 391 flow. Second operand has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:06,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:06,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 255 [2023-11-21 22:07:06,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:06,677 INFO L124 PetriNetUnfolderBase]: 52/370 cut-off events. [2023-11-21 22:07:06,677 INFO L125 PetriNetUnfolderBase]: For 13/20 co-relation queries the response was YES. [2023-11-21 22:07:06,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 471 conditions, 370 events. 52/370 cut-off events. For 13/20 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1071 event pairs, 15 based on Foata normal form. 4/349 useless extension candidates. Maximal degree in co-relation 432. Up to 63 conditions per place. [2023-11-21 22:07:06,681 INFO L140 encePairwiseOnDemand]: 250/255 looper letters, 20 selfloop transitions, 4 changer transitions 0/190 dead transitions. [2023-11-21 22:07:06,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 190 transitions, 445 flow [2023-11-21 22:07:06,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:07:06,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:07:06,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1255 transitions. [2023-11-21 22:07:06,686 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8202614379084967 [2023-11-21 22:07:06,686 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1255 transitions. [2023-11-21 22:07:06,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1255 transitions. [2023-11-21 22:07:06,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:06,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1255 transitions. [2023-11-21 22:07:06,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.16666666666666) internal successors, (1255), 6 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:06,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 255.0) internal successors, (1785), 7 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:06,697 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 255.0) internal successors, (1785), 7 states have internal predecessors, (1785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:06,697 INFO L175 Difference]: Start difference. First operand has 194 places, 187 transitions, 391 flow. Second operand 6 states and 1255 transitions. [2023-11-21 22:07:06,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 190 transitions, 445 flow [2023-11-21 22:07:06,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 190 transitions, 438 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:07:06,702 INFO L231 Difference]: Finished difference. Result has 194 places, 186 transitions, 390 flow [2023-11-21 22:07:06,703 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=390, PETRI_PLACES=194, PETRI_TRANSITIONS=186} [2023-11-21 22:07:06,704 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -33 predicate places. [2023-11-21 22:07:06,704 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 186 transitions, 390 flow [2023-11-21 22:07:06,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 207.0) internal successors, (1242), 6 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:06,705 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:06,706 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:06,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 22:07:06,706 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:06,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:06,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1613706775, now seen corresponding path program 1 times [2023-11-21 22:07:06,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:06,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292453240] [2023-11-21 22:07:06,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:06,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:06,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:06,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:06,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292453240] [2023-11-21 22:07:06,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292453240] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:06,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:06,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:06,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514554779] [2023-11-21 22:07:06,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:06,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:06,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:06,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:06,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:06,811 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 255 [2023-11-21 22:07:06,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 186 transitions, 390 flow. Second operand has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:06,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:06,814 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 255 [2023-11-21 22:07:06,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:06,896 INFO L124 PetriNetUnfolderBase]: 42/354 cut-off events. [2023-11-21 22:07:06,896 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2023-11-21 22:07:06,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 354 events. 42/354 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 970 event pairs, 15 based on Foata normal form. 0/330 useless extension candidates. Maximal degree in co-relation 409. Up to 59 conditions per place. [2023-11-21 22:07:06,900 INFO L140 encePairwiseOnDemand]: 253/255 looper letters, 10 selfloop transitions, 1 changer transitions 0/185 dead transitions. [2023-11-21 22:07:06,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 185 transitions, 410 flow [2023-11-21 22:07:06,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:06,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:06,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 660 transitions. [2023-11-21 22:07:06,903 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8627450980392157 [2023-11-21 22:07:06,903 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 660 transitions. [2023-11-21 22:07:06,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 660 transitions. [2023-11-21 22:07:06,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:06,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 660 transitions. [2023-11-21 22:07:06,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 220.0) internal successors, (660), 3 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:06,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:06,908 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:06,909 INFO L175 Difference]: Start difference. First operand has 194 places, 186 transitions, 390 flow. Second operand 3 states and 660 transitions. [2023-11-21 22:07:06,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 185 transitions, 410 flow [2023-11-21 22:07:06,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 185 transitions, 403 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:07:06,919 INFO L231 Difference]: Finished difference. Result has 191 places, 185 transitions, 383 flow [2023-11-21 22:07:06,920 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=383, PETRI_PLACES=191, PETRI_TRANSITIONS=185} [2023-11-21 22:07:06,921 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -36 predicate places. [2023-11-21 22:07:06,921 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 185 transitions, 383 flow [2023-11-21 22:07:06,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:06,922 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:06,922 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:06,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 22:07:06,922 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2023-11-21 22:07:06,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:06,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1473146015, now seen corresponding path program 1 times [2023-11-21 22:07:06,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:06,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499493527] [2023-11-21 22:07:06,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:06,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:07,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:07,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:07,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499493527] [2023-11-21 22:07:07,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499493527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:07,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:07,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:07,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873991684] [2023-11-21 22:07:07,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:07,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:07,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:07,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:07,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:07,012 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 255 [2023-11-21 22:07:07,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 185 transitions, 383 flow. Second operand has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:07,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:07,015 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 255 [2023-11-21 22:07:07,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:07,087 INFO L124 PetriNetUnfolderBase]: 42/353 cut-off events. [2023-11-21 22:07:07,087 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2023-11-21 22:07:07,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 353 events. 42/353 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 973 event pairs, 15 based on Foata normal form. 1/330 useless extension candidates. Maximal degree in co-relation 420. Up to 59 conditions per place. [2023-11-21 22:07:07,090 INFO L140 encePairwiseOnDemand]: 253/255 looper letters, 0 selfloop transitions, 0 changer transitions 184/184 dead transitions. [2023-11-21 22:07:07,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 184 transitions, 401 flow [2023-11-21 22:07:07,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:07,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:07,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 659 transitions. [2023-11-21 22:07:07,093 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8614379084967321 [2023-11-21 22:07:07,093 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 659 transitions. [2023-11-21 22:07:07,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 659 transitions. [2023-11-21 22:07:07,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:07,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 659 transitions. [2023-11-21 22:07:07,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:07,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:07,099 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:07,099 INFO L175 Difference]: Start difference. First operand has 191 places, 185 transitions, 383 flow. Second operand 3 states and 659 transitions. [2023-11-21 22:07:07,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 184 transitions, 401 flow [2023-11-21 22:07:07,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 184 transitions, 400 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:07:07,103 INFO L231 Difference]: Finished difference. Result has 191 places, 0 transitions, 0 flow [2023-11-21 22:07:07,104 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=191, PETRI_TRANSITIONS=0} [2023-11-21 22:07:07,104 INFO L281 CegarLoopForPetriNet]: 227 programPoint places, -36 predicate places. [2023-11-21 22:07:07,104 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 0 transitions, 0 flow [2023-11-21 22:07:07,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 218.66666666666666) internal successors, (656), 3 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:07:07,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2023-11-21 22:07:07,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2023-11-21 22:07:07,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2023-11-21 22:07:07,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2023-11-21 22:07:07,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2023-11-21 22:07:07,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2023-11-21 22:07:07,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2023-11-21 22:07:07,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2023-11-21 22:07:07,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2023-11-21 22:07:07,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2023-11-21 22:07:07,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2023-11-21 22:07:07,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2023-11-21 22:07:07,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2023-11-21 22:07:07,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2023-11-21 22:07:07,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2023-11-21 22:07:07,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2023-11-21 22:07:07,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2023-11-21 22:07:07,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2023-11-21 22:07:07,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2023-11-21 22:07:07,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2023-11-21 22:07:07,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2023-11-21 22:07:07,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2023-11-21 22:07:07,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2023-11-21 22:07:07,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2023-11-21 22:07:07,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2023-11-21 22:07:07,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2023-11-21 22:07:07,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2023-11-21 22:07:07,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2023-11-21 22:07:07,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2023-11-21 22:07:07,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2023-11-21 22:07:07,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2023-11-21 22:07:07,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2023-11-21 22:07:07,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2023-11-21 22:07:07,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2023-11-21 22:07:07,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2023-11-21 22:07:07,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2023-11-21 22:07:07,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2023-11-21 22:07:07,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2023-11-21 22:07:07,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2023-11-21 22:07:07,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2023-11-21 22:07:07,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2023-11-21 22:07:07,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2023-11-21 22:07:07,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2023-11-21 22:07:07,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2023-11-21 22:07:07,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2023-11-21 22:07:07,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2023-11-21 22:07:07,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2023-11-21 22:07:07,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2023-11-21 22:07:07,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2023-11-21 22:07:07,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2023-11-21 22:07:07,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2023-11-21 22:07:07,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2023-11-21 22:07:07,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2023-11-21 22:07:07,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2023-11-21 22:07:07,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2023-11-21 22:07:07,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2023-11-21 22:07:07,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2023-11-21 22:07:07,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2023-11-21 22:07:07,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2023-11-21 22:07:07,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2023-11-21 22:07:07,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 22:07:07,125 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:07,132 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 22:07:07,132 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:07:07,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:07:07 BasicIcfg [2023-11-21 22:07:07,140 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:07:07,141 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:07:07,141 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:07:07,141 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:07:07,142 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:59" (3/4) ... [2023-11-21 22:07:07,144 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:07:07,148 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-21 22:07:07,148 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-21 22:07:07,148 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-21 22:07:07,158 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-21 22:07:07,159 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:07:07,160 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:07:07,160 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:07:07,260 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:07:07,261 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:07:07,261 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:07:07,262 INFO L158 Benchmark]: Toolchain (without parser) took 9110.25ms. Allocated memory was 169.9MB in the beginning and 297.8MB in the end (delta: 127.9MB). Free memory was 139.4MB in the beginning and 99.9MB in the end (delta: 39.5MB). Peak memory consumption was 166.6MB. Max. memory is 16.1GB. [2023-11-21 22:07:07,262 INFO L158 Benchmark]: CDTParser took 3.76ms. Allocated memory is still 125.8MB. Free memory was 98.8MB in the beginning and 98.7MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:07:07,263 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.91ms. Allocated memory is still 169.9MB. Free memory was 139.2MB in the beginning and 129.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2023-11-21 22:07:07,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.13ms. Allocated memory is still 169.9MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:07:07,264 INFO L158 Benchmark]: Boogie Preprocessor took 53.14ms. Allocated memory is still 169.9MB. Free memory was 127.4MB in the beginning and 124.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:07:07,264 INFO L158 Benchmark]: RCFGBuilder took 1252.86ms. Allocated memory is still 169.9MB. Free memory was 124.6MB in the beginning and 80.4MB in the end (delta: 44.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-21 22:07:07,265 INFO L158 Benchmark]: TraceAbstraction took 7228.22ms. Allocated memory was 169.9MB in the beginning and 297.8MB in the end (delta: 127.9MB). Free memory was 79.7MB in the beginning and 106.2MB in the end (delta: -26.5MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. [2023-11-21 22:07:07,265 INFO L158 Benchmark]: Witness Printer took 120.64ms. Allocated memory is still 297.8MB. Free memory was 106.2MB in the beginning and 99.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:07:07,267 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.76ms. Allocated memory is still 125.8MB. Free memory was 98.8MB in the beginning and 98.7MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.91ms. Allocated memory is still 169.9MB. Free memory was 139.2MB in the beginning and 129.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.13ms. Allocated memory is still 169.9MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.14ms. Allocated memory is still 169.9MB. Free memory was 127.4MB in the beginning and 124.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1252.86ms. Allocated memory is still 169.9MB. Free memory was 124.6MB in the beginning and 80.4MB in the end (delta: 44.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7228.22ms. Allocated memory was 169.9MB in the beginning and 297.8MB in the end (delta: 127.9MB). Free memory was 79.7MB in the beginning and 106.2MB in the end (delta: -26.5MB). Peak memory consumption was 103.2MB. Max. memory is 16.1GB. * Witness Printer took 120.64ms. Allocated memory is still 297.8MB. Free memory was 106.2MB in the beginning and 99.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 309 locations, 60 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.0s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 475 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 231 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 173 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 969 IncrementalHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 173 mSolverCounterUnsat, 66 mSDtfsCounter, 969 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 929 NumberOfCodeBlocks, 929 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 918 ConstructedInterpolants, 0 QuantifiedInterpolants, 1290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 22:07:07,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29e014e3-0505-4078-b549-fa2fd16eb497/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE