./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya --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 a4cca88acec68e5dbb90cd5700ef248bb5273dc097847f9475a683bfbdc7b189 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:56:38,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:56:38,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 06:56:38,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:56:38,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:56:38,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:56:38,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:56:38,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:56:38,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:56:38,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:56:38,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:56:38,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:56:38,565 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:56:38,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:56:38,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:56:38,567 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:56:38,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:56:38,568 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:56:38,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:56:38,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:56:38,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:56:38,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:56:38,570 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 06:56:38,571 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:56:38,571 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:56:38,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:56:38,572 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:56:38,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:56:38,572 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:56:38,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:56:38,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:56:38,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:56:38,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:56:38,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:56:38,574 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:56:38,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:56:38,575 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:56:38,575 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:56:38,575 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:56:38,575 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:56:38,576 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:56:38,576 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_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4cca88acec68e5dbb90cd5700ef248bb5273dc097847f9475a683bfbdc7b189 [2023-11-29 06:56:38,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:56:38,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:56:38,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:56:38,825 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:56:38,826 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:56:38,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/weaver/unroll-3.wvr.c [2023-11-29 06:56:41,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:56:41,886 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:56:41,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/sv-benchmarks/c/weaver/unroll-3.wvr.c [2023-11-29 06:56:41,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/data/f732aac09/8ef2cd986da74a8baecc566e8dd514c6/FLAGa66a330ee [2023-11-29 06:56:41,908 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/data/f732aac09/8ef2cd986da74a8baecc566e8dd514c6 [2023-11-29 06:56:41,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:56:41,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:56:41,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:56:41,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:56:41,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:56:41,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:56:41" (1/1) ... [2023-11-29 06:56:41,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4570d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:41, skipping insertion in model container [2023-11-29 06:56:41,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:56:41" (1/1) ... [2023-11-29 06:56:41,946 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:56:42,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:56:42,150 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:56:42,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:56:42,198 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:56:42,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:42 WrapperNode [2023-11-29 06:56:42,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:56:42,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:56:42,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:56:42,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:56:42,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:42" (1/1) ... [2023-11-29 06:56:42,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:42" (1/1) ... [2023-11-29 06:56:42,243 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 286 [2023-11-29 06:56:42,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:56:42,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:56:42,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:56:42,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:56:42,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:42" (1/1) ... [2023-11-29 06:56:42,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:42" (1/1) ... [2023-11-29 06:56:42,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:42" (1/1) ... [2023-11-29 06:56:42,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:42" (1/1) ... [2023-11-29 06:56:42,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:42" (1/1) ... [2023-11-29 06:56:42,276 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:42" (1/1) ... [2023-11-29 06:56:42,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:42" (1/1) ... [2023-11-29 06:56:42,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:42" (1/1) ... [2023-11-29 06:56:42,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:56:42,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:56:42,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:56:42,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:56:42,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:42" (1/1) ... [2023-11-29 06:56:42,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:56:42,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:56:42,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:56:42,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:56:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:56:42,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-29 06:56:42,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-29 06:56:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-29 06:56:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-29 06:56:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 06:56:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:56:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 06:56:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 06:56:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:56:42,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:56:42,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 06:56:42,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:56:42,356 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 06:56:42,456 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:56:42,458 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:56:42,914 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:56:42,931 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:56:42,931 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-29 06:56:42,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:56:42 BoogieIcfgContainer [2023-11-29 06:56:42,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:56:42,936 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:56:42,936 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:56:42,939 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:56:42,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:56:41" (1/3) ... [2023-11-29 06:56:42,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df5d107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:56:42, skipping insertion in model container [2023-11-29 06:56:42,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:56:42" (2/3) ... [2023-11-29 06:56:42,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df5d107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:56:42, skipping insertion in model container [2023-11-29 06:56:42,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:56:42" (3/3) ... [2023-11-29 06:56:42,942 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.c [2023-11-29 06:56:42,951 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 06:56:42,961 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:56:42,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2023-11-29 06:56:42,962 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 06:56:43,092 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-29 06:56:43,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 357 places, 369 transitions, 752 flow [2023-11-29 06:56:43,258 INFO L124 PetriNetUnfolderBase]: 19/367 cut-off events. [2023-11-29 06:56:43,258 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-29 06:56:43,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 367 events. 19/367 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 548 event pairs, 0 based on Foata normal form. 0/307 useless extension candidates. Maximal degree in co-relation 219. Up to 2 conditions per place. [2023-11-29 06:56:43,269 INFO L82 GeneralOperation]: Start removeDead. Operand has 357 places, 369 transitions, 752 flow [2023-11-29 06:56:43,279 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 335 places, 346 transitions, 704 flow [2023-11-29 06:56:43,288 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:56:43,294 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;@12c976cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:56:43,295 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2023-11-29 06:56:43,299 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 06:56:43,300 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2023-11-29 06:56:43,300 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:56:43,300 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:43,300 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] [2023-11-29 06:56:43,301 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:43,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:43,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1049162128, now seen corresponding path program 1 times [2023-11-29 06:56:43,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:43,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627112039] [2023-11-29 06:56:43,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:43,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:43,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:43,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:43,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627112039] [2023-11-29 06:56:43,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627112039] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:43,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:43,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:56:43,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825480806] [2023-11-29 06:56:43,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:43,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:56:43,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:43,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:56:43,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:56:43,567 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 369 [2023-11-29 06:56:43,573 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 346 transitions, 704 flow. Second operand has 3 states, 3 states have (on average 343.3333333333333) internal successors, (1030), 3 states have internal predecessors, (1030), 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) [2023-11-29 06:56:43,573 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:43,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 369 [2023-11-29 06:56:43,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:43,720 INFO L124 PetriNetUnfolderBase]: 14/450 cut-off events. [2023-11-29 06:56:43,720 INFO L125 PetriNetUnfolderBase]: For 12/15 co-relation queries the response was YES. [2023-11-29 06:56:43,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 450 events. 14/450 cut-off events. For 12/15 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1219 event pairs, 3 based on Foata normal form. 12/384 useless extension candidates. Maximal degree in co-relation 328. Up to 19 conditions per place. [2023-11-29 06:56:43,728 INFO L140 encePairwiseOnDemand]: 355/369 looper letters, 10 selfloop transitions, 2 changer transitions 4/334 dead transitions. [2023-11-29 06:56:43,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 334 transitions, 704 flow [2023-11-29 06:56:43,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:56:43,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:56:43,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1050 transitions. [2023-11-29 06:56:43,750 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.948509485094851 [2023-11-29 06:56:43,751 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1050 transitions. [2023-11-29 06:56:43,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1050 transitions. [2023-11-29 06:56:43,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:43,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1050 transitions. [2023-11-29 06:56:43,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.0) internal successors, (1050), 3 states have internal predecessors, (1050), 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) [2023-11-29 06:56:43,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:43,777 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:43,779 INFO L175 Difference]: Start difference. First operand has 335 places, 346 transitions, 704 flow. Second operand 3 states and 1050 transitions. [2023-11-29 06:56:43,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 334 transitions, 704 flow [2023-11-29 06:56:43,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 334 transitions, 696 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:56:43,794 INFO L231 Difference]: Finished difference. Result has 332 places, 330 transitions, 668 flow [2023-11-29 06:56:43,796 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=672, PETRI_DIFFERENCE_MINUEND_PLACES=330, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=668, PETRI_PLACES=332, PETRI_TRANSITIONS=330} [2023-11-29 06:56:43,800 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -3 predicate places. [2023-11-29 06:56:43,800 INFO L495 AbstractCegarLoop]: Abstraction has has 332 places, 330 transitions, 668 flow [2023-11-29 06:56:43,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 343.3333333333333) internal successors, (1030), 3 states have internal predecessors, (1030), 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) [2023-11-29 06:56:43,802 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:43,802 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] [2023-11-29 06:56:43,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:56:43,802 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:43,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:43,803 INFO L85 PathProgramCache]: Analyzing trace with hash -819286939, now seen corresponding path program 1 times [2023-11-29 06:56:43,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:43,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230267262] [2023-11-29 06:56:43,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:43,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:43,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:43,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:43,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230267262] [2023-11-29 06:56:43,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230267262] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:43,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:43,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:56:43,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336867020] [2023-11-29 06:56:43,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:43,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:56:43,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:43,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:56:43,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:56:43,902 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 369 [2023-11-29 06:56:43,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 330 transitions, 668 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 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) [2023-11-29 06:56:43,904 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:43,904 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 369 [2023-11-29 06:56:43,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:43,994 INFO L124 PetriNetUnfolderBase]: 18/514 cut-off events. [2023-11-29 06:56:43,995 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 06:56:43,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 514 events. 18/514 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1464 event pairs, 7 based on Foata normal form. 0/429 useless extension candidates. Maximal degree in co-relation 523. Up to 28 conditions per place. [2023-11-29 06:56:44,002 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 13 selfloop transitions, 2 changer transitions 0/329 dead transitions. [2023-11-29 06:56:44,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 329 transitions, 696 flow [2023-11-29 06:56:44,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:56:44,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:56:44,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1033 transitions. [2023-11-29 06:56:44,007 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9331526648599819 [2023-11-29 06:56:44,007 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1033 transitions. [2023-11-29 06:56:44,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1033 transitions. [2023-11-29 06:56:44,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:44,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1033 transitions. [2023-11-29 06:56:44,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 344.3333333333333) internal successors, (1033), 3 states have internal predecessors, (1033), 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) [2023-11-29 06:56:44,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:44,019 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:44,019 INFO L175 Difference]: Start difference. First operand has 332 places, 330 transitions, 668 flow. Second operand 3 states and 1033 transitions. [2023-11-29 06:56:44,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 329 transitions, 696 flow [2023-11-29 06:56:44,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 329 transitions, 692 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:56:44,029 INFO L231 Difference]: Finished difference. Result has 327 places, 329 transitions, 666 flow [2023-11-29 06:56:44,030 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=666, PETRI_PLACES=327, PETRI_TRANSITIONS=329} [2023-11-29 06:56:44,031 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -8 predicate places. [2023-11-29 06:56:44,031 INFO L495 AbstractCegarLoop]: Abstraction has has 327 places, 329 transitions, 666 flow [2023-11-29 06:56:44,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 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) [2023-11-29 06:56:44,033 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:44,033 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:56:44,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:56:44,033 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:44,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:44,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1464593500, now seen corresponding path program 1 times [2023-11-29 06:56:44,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:44,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888241621] [2023-11-29 06:56:44,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:44,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:44,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:44,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:44,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888241621] [2023-11-29 06:56:44,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888241621] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:44,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:44,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:56:44,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515786180] [2023-11-29 06:56:44,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:44,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:56:44,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:44,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:56:44,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:56:44,119 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 369 [2023-11-29 06:56:44,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 329 transitions, 666 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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) [2023-11-29 06:56:44,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:44,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 369 [2023-11-29 06:56:44,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:44,369 INFO L124 PetriNetUnfolderBase]: 62/1001 cut-off events. [2023-11-29 06:56:44,370 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-11-29 06:56:44,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1088 conditions, 1001 events. 62/1001 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4377 event pairs, 20 based on Foata normal form. 0/824 useless extension candidates. Maximal degree in co-relation 1052. Up to 77 conditions per place. [2023-11-29 06:56:44,384 INFO L140 encePairwiseOnDemand]: 362/369 looper letters, 16 selfloop transitions, 1 changer transitions 0/323 dead transitions. [2023-11-29 06:56:44,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 323 transitions, 688 flow [2023-11-29 06:56:44,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:56:44,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:56:44,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1022 transitions. [2023-11-29 06:56:44,389 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9232158988256549 [2023-11-29 06:56:44,389 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1022 transitions. [2023-11-29 06:56:44,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1022 transitions. [2023-11-29 06:56:44,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:44,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1022 transitions. [2023-11-29 06:56:44,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 340.6666666666667) internal successors, (1022), 3 states have internal predecessors, (1022), 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) [2023-11-29 06:56:44,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:44,401 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:44,401 INFO L175 Difference]: Start difference. First operand has 327 places, 329 transitions, 666 flow. Second operand 3 states and 1022 transitions. [2023-11-29 06:56:44,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 323 transitions, 688 flow [2023-11-29 06:56:44,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 323 transitions, 684 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:56:44,409 INFO L231 Difference]: Finished difference. Result has 321 places, 323 transitions, 652 flow [2023-11-29 06:56:44,410 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=650, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=323, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=652, PETRI_PLACES=321, PETRI_TRANSITIONS=323} [2023-11-29 06:56:44,411 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -14 predicate places. [2023-11-29 06:56:44,411 INFO L495 AbstractCegarLoop]: Abstraction has has 321 places, 323 transitions, 652 flow [2023-11-29 06:56:44,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 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) [2023-11-29 06:56:44,413 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:44,413 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] [2023-11-29 06:56:44,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:56:44,413 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:44,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:44,414 INFO L85 PathProgramCache]: Analyzing trace with hash -243879993, now seen corresponding path program 1 times [2023-11-29 06:56:44,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:44,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689292005] [2023-11-29 06:56:44,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:44,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:44,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:44,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:44,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689292005] [2023-11-29 06:56:44,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689292005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:44,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:44,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:56:44,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711050261] [2023-11-29 06:56:44,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:44,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:56:44,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:44,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:56:44,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:56:44,528 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 369 [2023-11-29 06:56:44,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 323 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 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) [2023-11-29 06:56:44,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:44,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 369 [2023-11-29 06:56:44,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:44,604 INFO L124 PetriNetUnfolderBase]: 18/504 cut-off events. [2023-11-29 06:56:44,604 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-29 06:56:44,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 504 events. 18/504 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1396 event pairs, 7 based on Foata normal form. 0/428 useless extension candidates. Maximal degree in co-relation 502. Up to 26 conditions per place. [2023-11-29 06:56:44,608 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 11 selfloop transitions, 2 changer transitions 0/322 dead transitions. [2023-11-29 06:56:44,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 322 transitions, 676 flow [2023-11-29 06:56:44,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:56:44,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:56:44,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1037 transitions. [2023-11-29 06:56:44,611 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9367660343270099 [2023-11-29 06:56:44,611 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1037 transitions. [2023-11-29 06:56:44,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1037 transitions. [2023-11-29 06:56:44,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:44,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1037 transitions. [2023-11-29 06:56:44,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 345.6666666666667) internal successors, (1037), 3 states have internal predecessors, (1037), 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) [2023-11-29 06:56:44,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:44,628 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:44,628 INFO L175 Difference]: Start difference. First operand has 321 places, 323 transitions, 652 flow. Second operand 3 states and 1037 transitions. [2023-11-29 06:56:44,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 322 transitions, 676 flow [2023-11-29 06:56:44,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 322 transitions, 675 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:56:44,634 INFO L231 Difference]: Finished difference. Result has 321 places, 322 transitions, 653 flow [2023-11-29 06:56:44,634 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=649, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=320, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=653, PETRI_PLACES=321, PETRI_TRANSITIONS=322} [2023-11-29 06:56:44,635 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -14 predicate places. [2023-11-29 06:56:44,635 INFO L495 AbstractCegarLoop]: Abstraction has has 321 places, 322 transitions, 653 flow [2023-11-29 06:56:44,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 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) [2023-11-29 06:56:44,636 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:44,636 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] [2023-11-29 06:56:44,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:56:44,637 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:44,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:44,637 INFO L85 PathProgramCache]: Analyzing trace with hash 975174286, now seen corresponding path program 1 times [2023-11-29 06:56:44,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:44,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788051539] [2023-11-29 06:56:44,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:44,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:45,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:45,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:45,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788051539] [2023-11-29 06:56:45,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788051539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:45,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:45,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:56:45,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34410199] [2023-11-29 06:56:45,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:45,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:56:45,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:45,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:56:45,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:56:45,348 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 369 [2023-11-29 06:56:45,352 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 322 transitions, 653 flow. Second operand has 6 states, 6 states have (on average 315.5) internal successors, (1893), 6 states have internal predecessors, (1893), 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) [2023-11-29 06:56:45,352 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:45,352 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 369 [2023-11-29 06:56:45,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:46,355 INFO L124 PetriNetUnfolderBase]: 772/5427 cut-off events. [2023-11-29 06:56:46,355 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2023-11-29 06:56:46,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6515 conditions, 5427 events. 772/5427 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 48578 event pairs, 560 based on Foata normal form. 0/4475 useless extension candidates. Maximal degree in co-relation 6480. Up to 1072 conditions per place. [2023-11-29 06:56:46,441 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 36 selfloop transitions, 5 changer transitions 0/321 dead transitions. [2023-11-29 06:56:46,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 321 transitions, 733 flow [2023-11-29 06:56:46,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:56:46,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:56:46,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1926 transitions. [2023-11-29 06:56:46,449 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8699186991869918 [2023-11-29 06:56:46,450 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1926 transitions. [2023-11-29 06:56:46,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1926 transitions. [2023-11-29 06:56:46,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:46,452 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1926 transitions. [2023-11-29 06:56:46,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 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) [2023-11-29 06:56:46,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 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) [2023-11-29 06:56:46,469 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 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) [2023-11-29 06:56:46,469 INFO L175 Difference]: Start difference. First operand has 321 places, 322 transitions, 653 flow. Second operand 6 states and 1926 transitions. [2023-11-29 06:56:46,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 321 transitions, 733 flow [2023-11-29 06:56:46,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 321 transitions, 729 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:56:46,478 INFO L231 Difference]: Finished difference. Result has 323 places, 321 transitions, 657 flow [2023-11-29 06:56:46,479 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=657, PETRI_PLACES=323, PETRI_TRANSITIONS=321} [2023-11-29 06:56:46,480 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -12 predicate places. [2023-11-29 06:56:46,480 INFO L495 AbstractCegarLoop]: Abstraction has has 323 places, 321 transitions, 657 flow [2023-11-29 06:56:46,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 315.5) internal successors, (1893), 6 states have internal predecessors, (1893), 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) [2023-11-29 06:56:46,482 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:46,482 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] [2023-11-29 06:56:46,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:56:46,483 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:46,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:46,483 INFO L85 PathProgramCache]: Analyzing trace with hash -192549483, now seen corresponding path program 1 times [2023-11-29 06:56:46,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:46,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184995772] [2023-11-29 06:56:46,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:46,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:46,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:46,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:46,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184995772] [2023-11-29 06:56:46,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184995772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:46,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:46,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:56:46,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79565072] [2023-11-29 06:56:46,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:46,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:56:46,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:46,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:56:46,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:56:46,551 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 369 [2023-11-29 06:56:46,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 321 transitions, 657 flow. Second operand has 3 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 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) [2023-11-29 06:56:46,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:46,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 369 [2023-11-29 06:56:46,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:46,681 INFO L124 PetriNetUnfolderBase]: 32/841 cut-off events. [2023-11-29 06:56:46,681 INFO L125 PetriNetUnfolderBase]: For 4/13 co-relation queries the response was YES. [2023-11-29 06:56:46,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 887 conditions, 841 events. 32/841 cut-off events. For 4/13 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3476 event pairs, 8 based on Foata normal form. 0/705 useless extension candidates. Maximal degree in co-relation 869. Up to 32 conditions per place. [2023-11-29 06:56:46,688 INFO L140 encePairwiseOnDemand]: 365/369 looper letters, 10 selfloop transitions, 1 changer transitions 0/318 dead transitions. [2023-11-29 06:56:46,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 318 transitions, 673 flow [2023-11-29 06:56:46,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:56:46,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:56:46,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2023-11-29 06:56:46,693 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9394760614272809 [2023-11-29 06:56:46,693 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1040 transitions. [2023-11-29 06:56:46,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1040 transitions. [2023-11-29 06:56:46,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:46,694 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1040 transitions. [2023-11-29 06:56:46,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 346.6666666666667) internal successors, (1040), 3 states have internal predecessors, (1040), 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) [2023-11-29 06:56:46,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:46,701 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:46,701 INFO L175 Difference]: Start difference. First operand has 323 places, 321 transitions, 657 flow. Second operand 3 states and 1040 transitions. [2023-11-29 06:56:46,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 318 transitions, 673 flow [2023-11-29 06:56:46,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 317 places, 318 transitions, 663 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 06:56:46,709 INFO L231 Difference]: Finished difference. Result has 317 places, 318 transitions, 643 flow [2023-11-29 06:56:46,710 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=641, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=643, PETRI_PLACES=317, PETRI_TRANSITIONS=318} [2023-11-29 06:56:46,710 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -18 predicate places. [2023-11-29 06:56:46,711 INFO L495 AbstractCegarLoop]: Abstraction has has 317 places, 318 transitions, 643 flow [2023-11-29 06:56:46,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 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) [2023-11-29 06:56:46,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:46,712 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] [2023-11-29 06:56:46,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:56:46,712 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:46,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:46,712 INFO L85 PathProgramCache]: Analyzing trace with hash 558778842, now seen corresponding path program 1 times [2023-11-29 06:56:46,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:46,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077377351] [2023-11-29 06:56:46,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:46,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:46,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:46,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:46,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077377351] [2023-11-29 06:56:46,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077377351] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:46,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:46,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:56:46,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364024947] [2023-11-29 06:56:46,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:46,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:56:46,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:46,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:56:46,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:56:46,782 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 369 [2023-11-29 06:56:46,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 318 transitions, 643 flow. Second operand has 3 states, 3 states have (on average 340.0) internal successors, (1020), 3 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) [2023-11-29 06:56:46,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:46,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 369 [2023-11-29 06:56:46,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:46,861 INFO L124 PetriNetUnfolderBase]: 17/369 cut-off events. [2023-11-29 06:56:46,861 INFO L125 PetriNetUnfolderBase]: For 3/5 co-relation queries the response was YES. [2023-11-29 06:56:46,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 369 events. 17/369 cut-off events. For 3/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 750 event pairs, 1 based on Foata normal form. 1/330 useless extension candidates. Maximal degree in co-relation 377. Up to 21 conditions per place. [2023-11-29 06:56:46,864 INFO L140 encePairwiseOnDemand]: 362/369 looper letters, 11 selfloop transitions, 3 changer transitions 0/315 dead transitions. [2023-11-29 06:56:46,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 315 transitions, 666 flow [2023-11-29 06:56:46,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:56:46,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:56:46,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1035 transitions. [2023-11-29 06:56:46,868 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9349593495934959 [2023-11-29 06:56:46,868 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1035 transitions. [2023-11-29 06:56:46,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1035 transitions. [2023-11-29 06:56:46,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:46,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1035 transitions. [2023-11-29 06:56:46,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 345.0) internal successors, (1035), 3 states have internal predecessors, (1035), 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) [2023-11-29 06:56:46,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:46,874 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:46,874 INFO L175 Difference]: Start difference. First operand has 317 places, 318 transitions, 643 flow. Second operand 3 states and 1035 transitions. [2023-11-29 06:56:46,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 315 transitions, 666 flow [2023-11-29 06:56:46,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 315 transitions, 665 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:56:46,879 INFO L231 Difference]: Finished difference. Result has 314 places, 314 transitions, 640 flow [2023-11-29 06:56:46,880 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=640, PETRI_PLACES=314, PETRI_TRANSITIONS=314} [2023-11-29 06:56:46,880 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -21 predicate places. [2023-11-29 06:56:46,880 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 314 transitions, 640 flow [2023-11-29 06:56:46,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.0) internal successors, (1020), 3 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) [2023-11-29 06:56:46,881 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:46,881 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] [2023-11-29 06:56:46,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:56:46,882 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:46,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:46,882 INFO L85 PathProgramCache]: Analyzing trace with hash -871323340, now seen corresponding path program 1 times [2023-11-29 06:56:46,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:46,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812415663] [2023-11-29 06:56:46,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:46,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:46,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:46,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:46,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812415663] [2023-11-29 06:56:46,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812415663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:46,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:46,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:56:46,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905438878] [2023-11-29 06:56:46,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:46,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:56:46,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:46,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:56:46,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:56:46,966 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 369 [2023-11-29 06:56:46,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 314 transitions, 640 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2023-11-29 06:56:46,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:46,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 369 [2023-11-29 06:56:46,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:47,044 INFO L124 PetriNetUnfolderBase]: 33/453 cut-off events. [2023-11-29 06:56:47,044 INFO L125 PetriNetUnfolderBase]: For 24/26 co-relation queries the response was YES. [2023-11-29 06:56:47,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 533 conditions, 453 events. 33/453 cut-off events. For 24/26 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1402 event pairs, 3 based on Foata normal form. 2/413 useless extension candidates. Maximal degree in co-relation 498. Up to 56 conditions per place. [2023-11-29 06:56:47,048 INFO L140 encePairwiseOnDemand]: 352/369 looper letters, 19 selfloop transitions, 6 changer transitions 5/305 dead transitions. [2023-11-29 06:56:47,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 305 transitions, 677 flow [2023-11-29 06:56:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:56:47,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:56:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 994 transitions. [2023-11-29 06:56:47,052 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8979223125564589 [2023-11-29 06:56:47,052 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 994 transitions. [2023-11-29 06:56:47,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 994 transitions. [2023-11-29 06:56:47,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:47,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 994 transitions. [2023-11-29 06:56:47,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 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) [2023-11-29 06:56:47,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:47,059 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:47,059 INFO L175 Difference]: Start difference. First operand has 314 places, 314 transitions, 640 flow. Second operand 3 states and 994 transitions. [2023-11-29 06:56:47,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 305 transitions, 677 flow [2023-11-29 06:56:47,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 305 transitions, 671 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:56:47,064 INFO L231 Difference]: Finished difference. Result has 304 places, 299 transitions, 615 flow [2023-11-29 06:56:47,065 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=615, PETRI_PLACES=304, PETRI_TRANSITIONS=299} [2023-11-29 06:56:47,065 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -31 predicate places. [2023-11-29 06:56:47,065 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 299 transitions, 615 flow [2023-11-29 06:56:47,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2023-11-29 06:56:47,066 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:47,066 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] [2023-11-29 06:56:47,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:56:47,067 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:47,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:47,067 INFO L85 PathProgramCache]: Analyzing trace with hash -419502029, now seen corresponding path program 1 times [2023-11-29 06:56:47,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:47,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074199870] [2023-11-29 06:56:47,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:47,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:47,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:47,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074199870] [2023-11-29 06:56:47,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074199870] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:47,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:47,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:56:47,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640360110] [2023-11-29 06:56:47,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:47,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:56:47,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:47,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:56:47,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:56:47,789 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 369 [2023-11-29 06:56:47,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 299 transitions, 615 flow. Second operand has 6 states, 6 states have (on average 339.5) internal successors, (2037), 6 states have internal predecessors, (2037), 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) [2023-11-29 06:56:47,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:47,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 369 [2023-11-29 06:56:47,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:47,831 INFO L124 PetriNetUnfolderBase]: 7/298 cut-off events. [2023-11-29 06:56:47,831 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:56:47,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 298 events. 7/298 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 344 event pairs, 0 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 288. Up to 9 conditions per place. [2023-11-29 06:56:47,834 INFO L140 encePairwiseOnDemand]: 364/369 looper letters, 10 selfloop transitions, 4 changer transitions 0/298 dead transitions. [2023-11-29 06:56:47,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 298 transitions, 641 flow [2023-11-29 06:56:47,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:56:47,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:56:47,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2043 transitions. [2023-11-29 06:56:47,842 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9227642276422764 [2023-11-29 06:56:47,842 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2043 transitions. [2023-11-29 06:56:47,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2043 transitions. [2023-11-29 06:56:47,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:47,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2043 transitions. [2023-11-29 06:56:47,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 340.5) internal successors, (2043), 6 states have internal predecessors, (2043), 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) [2023-11-29 06:56:47,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 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) [2023-11-29 06:56:47,855 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 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) [2023-11-29 06:56:47,855 INFO L175 Difference]: Start difference. First operand has 304 places, 299 transitions, 615 flow. Second operand 6 states and 2043 transitions. [2023-11-29 06:56:47,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 298 transitions, 641 flow [2023-11-29 06:56:47,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 298 transitions, 629 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:56:47,861 INFO L231 Difference]: Finished difference. Result has 301 places, 298 transitions, 609 flow [2023-11-29 06:56:47,861 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=601, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=609, PETRI_PLACES=301, PETRI_TRANSITIONS=298} [2023-11-29 06:56:47,862 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -34 predicate places. [2023-11-29 06:56:47,862 INFO L495 AbstractCegarLoop]: Abstraction has has 301 places, 298 transitions, 609 flow [2023-11-29 06:56:47,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 339.5) internal successors, (2037), 6 states have internal predecessors, (2037), 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) [2023-11-29 06:56:47,863 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:47,864 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] [2023-11-29 06:56:47,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:56:47,864 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:47,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:47,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1654139340, now seen corresponding path program 1 times [2023-11-29 06:56:47,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:47,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998728098] [2023-11-29 06:56:47,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:47,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:47,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:47,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:47,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998728098] [2023-11-29 06:56:47,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998728098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:47,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:47,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:56:47,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765263936] [2023-11-29 06:56:47,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:47,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:56:47,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:47,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:56:47,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:56:47,924 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 369 [2023-11-29 06:56:47,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 298 transitions, 609 flow. Second operand has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 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) [2023-11-29 06:56:47,930 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:47,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 369 [2023-11-29 06:56:47,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:48,026 INFO L124 PetriNetUnfolderBase]: 57/847 cut-off events. [2023-11-29 06:56:48,026 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-11-29 06:56:48,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 932 conditions, 847 events. 57/847 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3441 event pairs, 6 based on Foata normal form. 0/766 useless extension candidates. Maximal degree in co-relation 897. Up to 68 conditions per place. [2023-11-29 06:56:48,031 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 14 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2023-11-29 06:56:48,031 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 298 transitions, 643 flow [2023-11-29 06:56:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:56:48,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:56:48,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1037 transitions. [2023-11-29 06:56:48,035 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9367660343270099 [2023-11-29 06:56:48,035 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1037 transitions. [2023-11-29 06:56:48,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1037 transitions. [2023-11-29 06:56:48,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:48,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1037 transitions. [2023-11-29 06:56:48,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 345.6666666666667) internal successors, (1037), 3 states have internal predecessors, (1037), 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) [2023-11-29 06:56:48,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:48,041 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:48,041 INFO L175 Difference]: Start difference. First operand has 301 places, 298 transitions, 609 flow. Second operand 3 states and 1037 transitions. [2023-11-29 06:56:48,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 298 transitions, 643 flow [2023-11-29 06:56:48,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 298 transitions, 636 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:56:48,046 INFO L231 Difference]: Finished difference. Result has 296 places, 296 transitions, 608 flow [2023-11-29 06:56:48,046 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=608, PETRI_PLACES=296, PETRI_TRANSITIONS=296} [2023-11-29 06:56:48,047 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -39 predicate places. [2023-11-29 06:56:48,047 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 296 transitions, 608 flow [2023-11-29 06:56:48,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 340.3333333333333) internal successors, (1021), 3 states have internal predecessors, (1021), 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) [2023-11-29 06:56:48,048 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:48,048 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] [2023-11-29 06:56:48,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 06:56:48,048 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:48,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:48,049 INFO L85 PathProgramCache]: Analyzing trace with hash 273658482, now seen corresponding path program 1 times [2023-11-29 06:56:48,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:48,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089252900] [2023-11-29 06:56:48,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:48,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:48,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:48,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089252900] [2023-11-29 06:56:48,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089252900] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:48,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:48,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:56:48,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423022157] [2023-11-29 06:56:48,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:48,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:56:48,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:48,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:56:48,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:56:48,173 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 369 [2023-11-29 06:56:48,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 296 transitions, 608 flow. Second operand has 4 states, 4 states have (on average 346.25) internal successors, (1385), 4 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:48,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:48,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 369 [2023-11-29 06:56:48,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:48,304 INFO L124 PetriNetUnfolderBase]: 39/992 cut-off events. [2023-11-29 06:56:48,304 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2023-11-29 06:56:48,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1066 conditions, 992 events. 39/992 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3800 event pairs, 3 based on Foata normal form. 1/899 useless extension candidates. Maximal degree in co-relation 1030. Up to 18 conditions per place. [2023-11-29 06:56:48,310 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 13 selfloop transitions, 6 changer transitions 0/305 dead transitions. [2023-11-29 06:56:48,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 305 transitions, 668 flow [2023-11-29 06:56:48,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:56:48,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 06:56:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1745 transitions. [2023-11-29 06:56:48,315 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.94579945799458 [2023-11-29 06:56:48,316 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1745 transitions. [2023-11-29 06:56:48,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1745 transitions. [2023-11-29 06:56:48,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:48,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1745 transitions. [2023-11-29 06:56:48,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 349.0) internal successors, (1745), 5 states have internal predecessors, (1745), 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) [2023-11-29 06:56:48,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 369.0) internal successors, (2214), 6 states have internal predecessors, (2214), 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) [2023-11-29 06:56:48,323 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 369.0) internal successors, (2214), 6 states have internal predecessors, (2214), 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) [2023-11-29 06:56:48,323 INFO L175 Difference]: Start difference. First operand has 296 places, 296 transitions, 608 flow. Second operand 5 states and 1745 transitions. [2023-11-29 06:56:48,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 305 transitions, 668 flow [2023-11-29 06:56:48,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 305 transitions, 668 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:56:48,327 INFO L231 Difference]: Finished difference. Result has 303 places, 300 transitions, 646 flow [2023-11-29 06:56:48,328 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=608, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=646, PETRI_PLACES=303, PETRI_TRANSITIONS=300} [2023-11-29 06:56:48,328 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -32 predicate places. [2023-11-29 06:56:48,329 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 300 transitions, 646 flow [2023-11-29 06:56:48,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 346.25) internal successors, (1385), 4 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:56:48,329 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:48,329 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] [2023-11-29 06:56:48,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:56:48,329 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:48,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:48,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1774773332, now seen corresponding path program 1 times [2023-11-29 06:56:48,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:48,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705714448] [2023-11-29 06:56:48,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:48,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:48,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:48,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:48,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705714448] [2023-11-29 06:56:48,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705714448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:48,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:48,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:56:48,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196005581] [2023-11-29 06:56:48,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:48,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:56:48,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:48,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:56:48,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:56:49,129 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 369 [2023-11-29 06:56:49,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 300 transitions, 646 flow. Second operand has 6 states, 6 states have (on average 339.6666666666667) internal successors, (2038), 6 states have internal predecessors, (2038), 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) [2023-11-29 06:56:49,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:49,132 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 369 [2023-11-29 06:56:49,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:49,240 INFO L124 PetriNetUnfolderBase]: 18/611 cut-off events. [2023-11-29 06:56:49,240 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2023-11-29 06:56:49,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 669 conditions, 611 events. 18/611 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1368 event pairs, 1 based on Foata normal form. 0/560 useless extension candidates. Maximal degree in co-relation 627. Up to 11 conditions per place. [2023-11-29 06:56:49,246 INFO L140 encePairwiseOnDemand]: 364/369 looper letters, 10 selfloop transitions, 4 changer transitions 0/299 dead transitions. [2023-11-29 06:56:49,246 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 299 transitions, 672 flow [2023-11-29 06:56:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:56:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:56:49,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2043 transitions. [2023-11-29 06:56:49,253 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9227642276422764 [2023-11-29 06:56:49,253 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2043 transitions. [2023-11-29 06:56:49,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2043 transitions. [2023-11-29 06:56:49,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:49,256 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2043 transitions. [2023-11-29 06:56:49,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 340.5) internal successors, (2043), 6 states have internal predecessors, (2043), 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) [2023-11-29 06:56:49,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 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) [2023-11-29 06:56:49,267 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 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) [2023-11-29 06:56:49,267 INFO L175 Difference]: Start difference. First operand has 303 places, 300 transitions, 646 flow. Second operand 6 states and 2043 transitions. [2023-11-29 06:56:49,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 299 transitions, 672 flow [2023-11-29 06:56:49,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 299 transitions, 672 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:56:49,275 INFO L231 Difference]: Finished difference. Result has 307 places, 299 transitions, 652 flow [2023-11-29 06:56:49,276 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=652, PETRI_PLACES=307, PETRI_TRANSITIONS=299} [2023-11-29 06:56:49,276 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -28 predicate places. [2023-11-29 06:56:49,277 INFO L495 AbstractCegarLoop]: Abstraction has has 307 places, 299 transitions, 652 flow [2023-11-29 06:56:49,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 339.6666666666667) internal successors, (2038), 6 states have internal predecessors, (2038), 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) [2023-11-29 06:56:49,278 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:49,278 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] [2023-11-29 06:56:49,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 06:56:49,278 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:49,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:49,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1358982555, now seen corresponding path program 1 times [2023-11-29 06:56:49,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:49,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989074274] [2023-11-29 06:56:49,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:49,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:49,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:49,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989074274] [2023-11-29 06:56:49,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989074274] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:49,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:49,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:56:49,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723067874] [2023-11-29 06:56:49,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:49,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:56:49,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:49,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:56:49,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:56:50,047 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 369 [2023-11-29 06:56:50,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 299 transitions, 652 flow. Second operand has 6 states, 6 states have (on average 339.5) internal successors, (2037), 6 states have internal predecessors, (2037), 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) [2023-11-29 06:56:50,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:50,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 369 [2023-11-29 06:56:50,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:50,181 INFO L124 PetriNetUnfolderBase]: 34/765 cut-off events. [2023-11-29 06:56:50,182 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-29 06:56:50,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 874 conditions, 765 events. 34/765 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2349 event pairs, 2 based on Foata normal form. 0/702 useless extension candidates. Maximal degree in co-relation 849. Up to 17 conditions per place. [2023-11-29 06:56:50,186 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 15 selfloop transitions, 6 changer transitions 0/302 dead transitions. [2023-11-29 06:56:50,186 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 302 transitions, 704 flow [2023-11-29 06:56:50,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:56:50,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:56:50,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2049 transitions. [2023-11-29 06:56:50,192 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9254742547425474 [2023-11-29 06:56:50,192 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2049 transitions. [2023-11-29 06:56:50,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2049 transitions. [2023-11-29 06:56:50,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:50,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2049 transitions. [2023-11-29 06:56:50,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 341.5) internal successors, (2049), 6 states have internal predecessors, (2049), 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) [2023-11-29 06:56:50,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 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) [2023-11-29 06:56:50,202 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 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) [2023-11-29 06:56:50,202 INFO L175 Difference]: Start difference. First operand has 307 places, 299 transitions, 652 flow. Second operand 6 states and 2049 transitions. [2023-11-29 06:56:50,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 302 transitions, 704 flow [2023-11-29 06:56:50,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 307 places, 302 transitions, 697 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-29 06:56:50,208 INFO L231 Difference]: Finished difference. Result has 307 places, 298 transitions, 655 flow [2023-11-29 06:56:50,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=655, PETRI_PLACES=307, PETRI_TRANSITIONS=298} [2023-11-29 06:56:50,209 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -28 predicate places. [2023-11-29 06:56:50,209 INFO L495 AbstractCegarLoop]: Abstraction has has 307 places, 298 transitions, 655 flow [2023-11-29 06:56:50,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 339.5) internal successors, (2037), 6 states have internal predecessors, (2037), 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) [2023-11-29 06:56:50,209 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:50,210 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] [2023-11-29 06:56:50,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 06:56:50,210 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:50,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:50,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1796452143, now seen corresponding path program 1 times [2023-11-29 06:56:50,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:50,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497469272] [2023-11-29 06:56:50,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:50,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:50,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:50,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:50,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497469272] [2023-11-29 06:56:50,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497469272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:50,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:50,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:56:50,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614784621] [2023-11-29 06:56:50,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:50,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:56:50,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:50,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:56:50,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:56:50,361 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 369 [2023-11-29 06:56:50,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 298 transitions, 655 flow. Second operand has 4 states, 4 states have (on average 344.5) internal successors, (1378), 4 states have internal predecessors, (1378), 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) [2023-11-29 06:56:50,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:50,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 369 [2023-11-29 06:56:50,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:50,513 INFO L124 PetriNetUnfolderBase]: 49/982 cut-off events. [2023-11-29 06:56:50,513 INFO L125 PetriNetUnfolderBase]: For 32/33 co-relation queries the response was YES. [2023-11-29 06:56:50,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1127 conditions, 982 events. 49/982 cut-off events. For 32/33 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 4422 event pairs, 4 based on Foata normal form. 0/898 useless extension candidates. Maximal degree in co-relation 1085. Up to 53 conditions per place. [2023-11-29 06:56:50,520 INFO L140 encePairwiseOnDemand]: 363/369 looper letters, 14 selfloop transitions, 6 changer transitions 0/306 dead transitions. [2023-11-29 06:56:50,521 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 306 transitions, 714 flow [2023-11-29 06:56:50,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:56:50,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 06:56:50,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1736 transitions. [2023-11-29 06:56:50,527 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9409214092140922 [2023-11-29 06:56:50,527 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1736 transitions. [2023-11-29 06:56:50,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1736 transitions. [2023-11-29 06:56:50,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:50,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1736 transitions. [2023-11-29 06:56:50,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 347.2) internal successors, (1736), 5 states have internal predecessors, (1736), 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) [2023-11-29 06:56:50,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 369.0) internal successors, (2214), 6 states have internal predecessors, (2214), 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) [2023-11-29 06:56:50,535 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 369.0) internal successors, (2214), 6 states have internal predecessors, (2214), 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) [2023-11-29 06:56:50,535 INFO L175 Difference]: Start difference. First operand has 307 places, 298 transitions, 655 flow. Second operand 5 states and 1736 transitions. [2023-11-29 06:56:50,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 306 transitions, 714 flow [2023-11-29 06:56:50,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 306 transitions, 702 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 06:56:50,540 INFO L231 Difference]: Finished difference. Result has 309 places, 302 transitions, 681 flow [2023-11-29 06:56:50,541 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=681, PETRI_PLACES=309, PETRI_TRANSITIONS=302} [2023-11-29 06:56:50,541 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -26 predicate places. [2023-11-29 06:56:50,541 INFO L495 AbstractCegarLoop]: Abstraction has has 309 places, 302 transitions, 681 flow [2023-11-29 06:56:50,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 344.5) internal successors, (1378), 4 states have internal predecessors, (1378), 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) [2023-11-29 06:56:50,542 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:50,542 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] [2023-11-29 06:56:50,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 06:56:50,542 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:50,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:50,543 INFO L85 PathProgramCache]: Analyzing trace with hash 672717544, now seen corresponding path program 1 times [2023-11-29 06:56:50,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:50,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021277744] [2023-11-29 06:56:50,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:50,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:50,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:50,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:50,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021277744] [2023-11-29 06:56:50,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021277744] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:50,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:50,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:56:50,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565135829] [2023-11-29 06:56:50,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:50,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:56:50,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:50,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:56:50,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:56:50,596 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 343 out of 369 [2023-11-29 06:56:50,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 302 transitions, 681 flow. Second operand has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 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) [2023-11-29 06:56:50,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:50,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 343 of 369 [2023-11-29 06:56:50,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:50,691 INFO L124 PetriNetUnfolderBase]: 31/723 cut-off events. [2023-11-29 06:56:50,691 INFO L125 PetriNetUnfolderBase]: For 20/21 co-relation queries the response was YES. [2023-11-29 06:56:50,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 723 events. 31/723 cut-off events. For 20/21 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2020 event pairs, 10 based on Foata normal form. 0/673 useless extension candidates. Maximal degree in co-relation 814. Up to 29 conditions per place. [2023-11-29 06:56:50,696 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 9 selfloop transitions, 2 changer transitions 0/302 dead transitions. [2023-11-29 06:56:50,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 302 transitions, 704 flow [2023-11-29 06:56:50,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:56:50,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:56:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2023-11-29 06:56:50,699 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.940379403794038 [2023-11-29 06:56:50,699 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1041 transitions. [2023-11-29 06:56:50,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1041 transitions. [2023-11-29 06:56:50,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:50,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1041 transitions. [2023-11-29 06:56:50,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 347.0) internal successors, (1041), 3 states have internal predecessors, (1041), 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) [2023-11-29 06:56:50,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:50,703 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:50,703 INFO L175 Difference]: Start difference. First operand has 309 places, 302 transitions, 681 flow. Second operand 3 states and 1041 transitions. [2023-11-29 06:56:50,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 302 transitions, 704 flow [2023-11-29 06:56:50,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 302 transitions, 704 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:56:50,709 INFO L231 Difference]: Finished difference. Result has 310 places, 301 transitions, 683 flow [2023-11-29 06:56:50,710 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=679, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=299, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=683, PETRI_PLACES=310, PETRI_TRANSITIONS=301} [2023-11-29 06:56:50,710 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -25 predicate places. [2023-11-29 06:56:50,710 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 301 transitions, 683 flow [2023-11-29 06:56:50,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 345.3333333333333) internal successors, (1036), 3 states have internal predecessors, (1036), 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) [2023-11-29 06:56:50,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:50,711 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] [2023-11-29 06:56:50,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-29 06:56:50,711 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:50,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:50,712 INFO L85 PathProgramCache]: Analyzing trace with hash -520231361, now seen corresponding path program 1 times [2023-11-29 06:56:50,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:50,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765612574] [2023-11-29 06:56:50,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:50,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:51,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:51,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:51,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765612574] [2023-11-29 06:56:51,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765612574] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:51,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:51,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:56:51,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820671318] [2023-11-29 06:56:51,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:51,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:56:51,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:51,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:56:51,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:56:51,452 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 369 [2023-11-29 06:56:51,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 301 transitions, 683 flow. Second operand has 6 states, 6 states have (on average 325.6666666666667) internal successors, (1954), 6 states have internal predecessors, (1954), 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) [2023-11-29 06:56:51,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:51,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 369 [2023-11-29 06:56:51,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:51,608 INFO L124 PetriNetUnfolderBase]: 70/847 cut-off events. [2023-11-29 06:56:51,608 INFO L125 PetriNetUnfolderBase]: For 67/68 co-relation queries the response was YES. [2023-11-29 06:56:51,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1118 conditions, 847 events. 70/847 cut-off events. For 67/68 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4261 event pairs, 8 based on Foata normal form. 0/799 useless extension candidates. Maximal degree in co-relation 1070. Up to 56 conditions per place. [2023-11-29 06:56:51,614 INFO L140 encePairwiseOnDemand]: 351/369 looper letters, 17 selfloop transitions, 16 changer transitions 0/302 dead transitions. [2023-11-29 06:56:51,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 302 transitions, 755 flow [2023-11-29 06:56:51,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:56:51,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:56:51,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1979 transitions. [2023-11-29 06:56:51,619 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8938572719060524 [2023-11-29 06:56:51,619 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1979 transitions. [2023-11-29 06:56:51,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1979 transitions. [2023-11-29 06:56:51,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:51,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1979 transitions. [2023-11-29 06:56:51,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 329.8333333333333) internal successors, (1979), 6 states have internal predecessors, (1979), 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) [2023-11-29 06:56:51,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 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) [2023-11-29 06:56:51,630 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 369.0) internal successors, (2583), 7 states have internal predecessors, (2583), 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) [2023-11-29 06:56:51,631 INFO L175 Difference]: Start difference. First operand has 310 places, 301 transitions, 683 flow. Second operand 6 states and 1979 transitions. [2023-11-29 06:56:51,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 302 transitions, 755 flow [2023-11-29 06:56:51,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 302 transitions, 751 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:56:51,638 INFO L231 Difference]: Finished difference. Result has 310 places, 298 transitions, 705 flow [2023-11-29 06:56:51,638 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=705, PETRI_PLACES=310, PETRI_TRANSITIONS=298} [2023-11-29 06:56:51,638 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -25 predicate places. [2023-11-29 06:56:51,638 INFO L495 AbstractCegarLoop]: Abstraction has has 310 places, 298 transitions, 705 flow [2023-11-29 06:56:51,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 325.6666666666667) internal successors, (1954), 6 states have internal predecessors, (1954), 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) [2023-11-29 06:56:51,639 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:51,639 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] [2023-11-29 06:56:51,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-29 06:56:51,640 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:51,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:51,640 INFO L85 PathProgramCache]: Analyzing trace with hash -925923454, now seen corresponding path program 1 times [2023-11-29 06:56:51,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:51,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799883095] [2023-11-29 06:56:51,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:51,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:51,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:51,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:51,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799883095] [2023-11-29 06:56:51,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799883095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:51,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:51,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:56:51,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794554121] [2023-11-29 06:56:51,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:51,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:56:51,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:51,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:56:51,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:56:51,737 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 369 [2023-11-29 06:56:51,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 298 transitions, 705 flow. Second operand has 3 states, 3 states have (on average 337.6666666666667) internal successors, (1013), 3 states have internal predecessors, (1013), 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) [2023-11-29 06:56:51,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:51,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 369 [2023-11-29 06:56:51,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:51,870 INFO L124 PetriNetUnfolderBase]: 63/957 cut-off events. [2023-11-29 06:56:51,870 INFO L125 PetriNetUnfolderBase]: For 75/76 co-relation queries the response was YES. [2023-11-29 06:56:51,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1291 conditions, 957 events. 63/957 cut-off events. For 75/76 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4498 event pairs, 34 based on Foata normal form. 0/904 useless extension candidates. Maximal degree in co-relation 1245. Up to 113 conditions per place. [2023-11-29 06:56:51,874 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 17 selfloop transitions, 2 changer transitions 0/298 dead transitions. [2023-11-29 06:56:51,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 298 transitions, 744 flow [2023-11-29 06:56:51,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:56:51,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:56:51,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1025 transitions. [2023-11-29 06:56:51,878 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2023-11-29 06:56:51,878 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1025 transitions. [2023-11-29 06:56:51,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1025 transitions. [2023-11-29 06:56:51,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:51,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1025 transitions. [2023-11-29 06:56:51,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 341.6666666666667) internal successors, (1025), 3 states have internal predecessors, (1025), 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) [2023-11-29 06:56:51,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:51,882 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:51,882 INFO L175 Difference]: Start difference. First operand has 310 places, 298 transitions, 705 flow. Second operand 3 states and 1025 transitions. [2023-11-29 06:56:51,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 298 transitions, 744 flow [2023-11-29 06:56:51,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 298 transitions, 712 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-29 06:56:51,888 INFO L231 Difference]: Finished difference. Result has 306 places, 297 transitions, 675 flow [2023-11-29 06:56:51,889 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=671, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=675, PETRI_PLACES=306, PETRI_TRANSITIONS=297} [2023-11-29 06:56:51,889 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -29 predicate places. [2023-11-29 06:56:51,889 INFO L495 AbstractCegarLoop]: Abstraction has has 306 places, 297 transitions, 675 flow [2023-11-29 06:56:51,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 337.6666666666667) internal successors, (1013), 3 states have internal predecessors, (1013), 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) [2023-11-29 06:56:51,890 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:51,890 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, 1, 1, 1, 1, 1, 1] [2023-11-29 06:56:51,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-29 06:56:51,890 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:51,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:51,891 INFO L85 PathProgramCache]: Analyzing trace with hash 665171929, now seen corresponding path program 1 times [2023-11-29 06:56:51,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:51,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227357604] [2023-11-29 06:56:51,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:51,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:51,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:51,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:51,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227357604] [2023-11-29 06:56:51,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227357604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:51,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:51,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:56:51,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910985317] [2023-11-29 06:56:51,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:51,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:56:51,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:51,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:56:51,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:56:51,983 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 369 [2023-11-29 06:56:51,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 297 transitions, 675 flow. Second operand has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 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) [2023-11-29 06:56:51,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:51,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 369 [2023-11-29 06:56:51,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:52,118 INFO L124 PetriNetUnfolderBase]: 63/952 cut-off events. [2023-11-29 06:56:52,118 INFO L125 PetriNetUnfolderBase]: For 65/66 co-relation queries the response was YES. [2023-11-29 06:56:52,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1196 conditions, 952 events. 63/952 cut-off events. For 65/66 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4494 event pairs, 34 based on Foata normal form. 0/904 useless extension candidates. Maximal degree in co-relation 1150. Up to 113 conditions per place. [2023-11-29 06:56:52,123 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 17 selfloop transitions, 2 changer transitions 0/297 dead transitions. [2023-11-29 06:56:52,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 297 transitions, 714 flow [2023-11-29 06:56:52,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:56:52,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:56:52,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1025 transitions. [2023-11-29 06:56:52,127 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2023-11-29 06:56:52,127 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1025 transitions. [2023-11-29 06:56:52,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1025 transitions. [2023-11-29 06:56:52,128 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:52,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1025 transitions. [2023-11-29 06:56:52,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 341.6666666666667) internal successors, (1025), 3 states have internal predecessors, (1025), 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) [2023-11-29 06:56:52,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:52,132 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:52,132 INFO L175 Difference]: Start difference. First operand has 306 places, 297 transitions, 675 flow. Second operand 3 states and 1025 transitions. [2023-11-29 06:56:52,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 297 transitions, 714 flow [2023-11-29 06:56:52,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 297 transitions, 710 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:56:52,138 INFO L231 Difference]: Finished difference. Result has 305 places, 296 transitions, 673 flow [2023-11-29 06:56:52,138 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=303, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=673, PETRI_PLACES=305, PETRI_TRANSITIONS=296} [2023-11-29 06:56:52,138 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -30 predicate places. [2023-11-29 06:56:52,139 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 296 transitions, 673 flow [2023-11-29 06:56:52,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 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) [2023-11-29 06:56:52,139 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:56:52,139 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:56:52,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-29 06:56:52,139 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-29 06:56:52,140 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:56:52,140 INFO L85 PathProgramCache]: Analyzing trace with hash -872340912, now seen corresponding path program 1 times [2023-11-29 06:56:52,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:56:52,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100584424] [2023-11-29 06:56:52,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:56:52,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:56:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:56:52,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:56:52,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:56:52,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100584424] [2023-11-29 06:56:52,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100584424] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:56:52,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:56:52,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:56:52,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386296068] [2023-11-29 06:56:52,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:56:52,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:56:52,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:56:52,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:56:52,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:56:52,243 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 369 [2023-11-29 06:56:52,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 296 transitions, 673 flow. Second operand has 3 states, 3 states have (on average 339.6666666666667) internal successors, (1019), 3 states have internal predecessors, (1019), 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) [2023-11-29 06:56:52,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:56:52,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 369 [2023-11-29 06:56:52,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:56:52,371 INFO L124 PetriNetUnfolderBase]: 63/947 cut-off events. [2023-11-29 06:56:52,371 INFO L125 PetriNetUnfolderBase]: For 65/66 co-relation queries the response was YES. [2023-11-29 06:56:52,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1191 conditions, 947 events. 63/947 cut-off events. For 65/66 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4527 event pairs, 34 based on Foata normal form. 0/904 useless extension candidates. Maximal degree in co-relation 1145. Up to 113 conditions per place. [2023-11-29 06:56:52,374 INFO L140 encePairwiseOnDemand]: 366/369 looper letters, 0 selfloop transitions, 0 changer transitions 296/296 dead transitions. [2023-11-29 06:56:52,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 296 transitions, 712 flow [2023-11-29 06:56:52,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:56:52,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:56:52,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1025 transitions. [2023-11-29 06:56:52,378 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2023-11-29 06:56:52,378 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1025 transitions. [2023-11-29 06:56:52,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1025 transitions. [2023-11-29 06:56:52,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:56:52,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1025 transitions. [2023-11-29 06:56:52,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 341.6666666666667) internal successors, (1025), 3 states have internal predecessors, (1025), 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) [2023-11-29 06:56:52,382 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:52,382 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 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) [2023-11-29 06:56:52,383 INFO L175 Difference]: Start difference. First operand has 305 places, 296 transitions, 673 flow. Second operand 3 states and 1025 transitions. [2023-11-29 06:56:52,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 296 transitions, 712 flow [2023-11-29 06:56:52,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 296 transitions, 708 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:56:52,387 INFO L231 Difference]: Finished difference. Result has 304 places, 0 transitions, 0 flow [2023-11-29 06:56:52,387 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=667, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=304, PETRI_TRANSITIONS=0} [2023-11-29 06:56:52,387 INFO L281 CegarLoopForPetriNet]: 335 programPoint places, -31 predicate places. [2023-11-29 06:56:52,388 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 0 transitions, 0 flow [2023-11-29 06:56:52,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.6666666666667) internal successors, (1019), 3 states have internal predecessors, (1019), 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) [2023-11-29 06:56:52,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (72 of 73 remaining) [2023-11-29 06:56:52,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (71 of 73 remaining) [2023-11-29 06:56:52,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (70 of 73 remaining) [2023-11-29 06:56:52,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (69 of 73 remaining) [2023-11-29 06:56:52,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 73 remaining) [2023-11-29 06:56:52,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 73 remaining) [2023-11-29 06:56:52,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 73 remaining) [2023-11-29 06:56:52,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 73 remaining) [2023-11-29 06:56:52,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 73 remaining) [2023-11-29 06:56:52,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 73 remaining) [2023-11-29 06:56:52,391 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 73 remaining) [2023-11-29 06:56:52,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 73 remaining) [2023-11-29 06:56:52,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (60 of 73 remaining) [2023-11-29 06:56:52,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 73 remaining) [2023-11-29 06:56:52,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (58 of 73 remaining) [2023-11-29 06:56:52,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (57 of 73 remaining) [2023-11-29 06:56:52,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (56 of 73 remaining) [2023-11-29 06:56:52,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (55 of 73 remaining) [2023-11-29 06:56:52,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (54 of 73 remaining) [2023-11-29 06:56:52,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (53 of 73 remaining) [2023-11-29 06:56:52,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (52 of 73 remaining) [2023-11-29 06:56:52,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (51 of 73 remaining) [2023-11-29 06:56:52,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (50 of 73 remaining) [2023-11-29 06:56:52,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (49 of 73 remaining) [2023-11-29 06:56:52,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (48 of 73 remaining) [2023-11-29 06:56:52,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (47 of 73 remaining) [2023-11-29 06:56:52,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (46 of 73 remaining) [2023-11-29 06:56:52,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (45 of 73 remaining) [2023-11-29 06:56:52,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (44 of 73 remaining) [2023-11-29 06:56:52,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (43 of 73 remaining) [2023-11-29 06:56:52,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 73 remaining) [2023-11-29 06:56:52,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 73 remaining) [2023-11-29 06:56:52,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 73 remaining) [2023-11-29 06:56:52,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 73 remaining) [2023-11-29 06:56:52,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 73 remaining) [2023-11-29 06:56:52,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (37 of 73 remaining) [2023-11-29 06:56:52,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 73 remaining) [2023-11-29 06:56:52,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 73 remaining) [2023-11-29 06:56:52,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 73 remaining) [2023-11-29 06:56:52,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 73 remaining) [2023-11-29 06:56:52,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 73 remaining) [2023-11-29 06:56:52,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 73 remaining) [2023-11-29 06:56:52,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 73 remaining) [2023-11-29 06:56:52,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 73 remaining) [2023-11-29 06:56:52,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 73 remaining) [2023-11-29 06:56:52,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 73 remaining) [2023-11-29 06:56:52,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 73 remaining) [2023-11-29 06:56:52,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 73 remaining) [2023-11-29 06:56:52,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 73 remaining) [2023-11-29 06:56:52,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (23 of 73 remaining) [2023-11-29 06:56:52,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 73 remaining) [2023-11-29 06:56:52,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 73 remaining) [2023-11-29 06:56:52,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 73 remaining) [2023-11-29 06:56:52,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 73 remaining) [2023-11-29 06:56:52,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 73 remaining) [2023-11-29 06:56:52,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 73 remaining) [2023-11-29 06:56:52,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 73 remaining) [2023-11-29 06:56:52,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (15 of 73 remaining) [2023-11-29 06:56:52,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 73 remaining) [2023-11-29 06:56:52,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 73 remaining) [2023-11-29 06:56:52,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 73 remaining) [2023-11-29 06:56:52,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 73 remaining) [2023-11-29 06:56:52,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (10 of 73 remaining) [2023-11-29 06:56:52,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (9 of 73 remaining) [2023-11-29 06:56:52,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (8 of 73 remaining) [2023-11-29 06:56:52,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 73 remaining) [2023-11-29 06:56:52,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 73 remaining) [2023-11-29 06:56:52,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 73 remaining) [2023-11-29 06:56:52,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (4 of 73 remaining) [2023-11-29 06:56:52,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (3 of 73 remaining) [2023-11-29 06:56:52,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 73 remaining) [2023-11-29 06:56:52,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (1 of 73 remaining) [2023-11-29 06:56:52,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (0 of 73 remaining) [2023-11-29 06:56:52,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-29 06:56:52,400 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:56:52,406 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 06:56:52,406 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:56:52,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:56:52 BasicIcfg [2023-11-29 06:56:52,412 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:56:52,412 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:56:52,412 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:56:52,412 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:56:52,413 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:56:42" (3/4) ... [2023-11-29 06:56:52,414 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:56:52,417 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-29 06:56:52,417 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-29 06:56:52,423 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-29 06:56:52,424 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 06:56:52,424 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 06:56:52,424 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:56:52,528 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:56:52,529 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:56:52,529 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:56:52,530 INFO L158 Benchmark]: Toolchain (without parser) took 10617.65ms. Allocated memory was 165.7MB in the beginning and 358.6MB in the end (delta: 192.9MB). Free memory was 134.8MB in the beginning and 274.2MB in the end (delta: -139.4MB). Peak memory consumption was 262.2MB. Max. memory is 16.1GB. [2023-11-29 06:56:52,530 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:56:52,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.85ms. Allocated memory is still 165.7MB. Free memory was 134.2MB in the beginning and 122.3MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 06:56:52,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.28ms. Allocated memory is still 165.7MB. Free memory was 122.3MB in the beginning and 118.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:56:52,532 INFO L158 Benchmark]: Boogie Preprocessor took 38.87ms. Allocated memory is still 165.7MB. Free memory was 118.8MB in the beginning and 116.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:56:52,532 INFO L158 Benchmark]: RCFGBuilder took 649.82ms. Allocated memory is still 165.7MB. Free memory was 116.7MB in the beginning and 87.2MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-29 06:56:52,533 INFO L158 Benchmark]: TraceAbstraction took 9476.17ms. Allocated memory was 165.7MB in the beginning and 358.6MB in the end (delta: 192.9MB). Free memory was 86.6MB in the beginning and 69.2MB in the end (delta: 17.4MB). Peak memory consumption was 211.3MB. Max. memory is 16.1GB. [2023-11-29 06:56:52,533 INFO L158 Benchmark]: Witness Printer took 117.15ms. Allocated memory is still 358.6MB. Free memory was 69.2MB in the beginning and 274.2MB in the end (delta: -205.0MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-11-29 06:56:52,535 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.85ms. Allocated memory is still 165.7MB. Free memory was 134.2MB in the beginning and 122.3MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.28ms. Allocated memory is still 165.7MB. Free memory was 122.3MB in the beginning and 118.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.87ms. Allocated memory is still 165.7MB. Free memory was 118.8MB in the beginning and 116.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 649.82ms. Allocated memory is still 165.7MB. Free memory was 116.7MB in the beginning and 87.2MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 9476.17ms. Allocated memory was 165.7MB in the beginning and 358.6MB in the end (delta: 192.9MB). Free memory was 86.6MB in the beginning and 69.2MB in the end (delta: 17.4MB). Peak memory consumption was 211.3MB. Max. memory is 16.1GB. * Witness Printer took 117.15ms. Allocated memory is still 358.6MB. Free memory was 69.2MB in the beginning and 274.2MB in the end (delta: -205.0MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 543 locations, 73 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: 9.3s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1460 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 635 mSDsluCounter, 215 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 434 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2158 IncrementalHoareTripleChecker+Invalid, 2592 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 434 mSolverCounterUnsat, 192 mSDtfsCounter, 2158 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=705occurred in iteration=16, InterpolantAutomatonStates: 76, 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, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1841 NumberOfCodeBlocks, 1841 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1822 ConstructedInterpolants, 0 QuantifiedInterpolants, 2699 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 06:56:52,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_061af9f6-4c55-4abf-8a20-06d5422acfd3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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