./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1f93f8af6c620ba8dc44e82cf4c30bbca874545f3e3802e43ba4e1345a3afed4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:23:18,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:23:18,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 22:23:18,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:23:18,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:23:18,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:23:18,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:23:18,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:23:18,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:23:18,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:23:18,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:23:18,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:23:18,240 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:23:18,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:23:18,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:23:18,242 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:23:18,243 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:23:18,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:23:18,244 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:23:18,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:23:18,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:23:18,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:23:18,247 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 22:23:18,247 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:23:18,248 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:23:18,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:23:18,249 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:23:18,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:23:18,250 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:23:18,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:23:18,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:18,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:23:18,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:23:18,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:23:18,252 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:23:18,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:23:18,252 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:23:18,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:23:18,253 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:23:18,253 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:23:18,254 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:23:18,254 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_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f93f8af6c620ba8dc44e82cf4c30bbca874545f3e3802e43ba4e1345a3afed4 [2023-11-21 22:23:18,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:23:18,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:23:18,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:23:18,581 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:23:18,582 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:23:18,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2023-11-21 22:23:21,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:23:22,007 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:23:22,008 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2023-11-21 22:23:22,018 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/data/d0e5894de/5892876f6a1a48ebbf1b92fe65d846d9/FLAGdfcf72e6d [2023-11-21 22:23:22,036 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/data/d0e5894de/5892876f6a1a48ebbf1b92fe65d846d9 [2023-11-21 22:23:22,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:23:22,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:23:22,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:22,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:23:22,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:23:22,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:22" (1/1) ... [2023-11-21 22:23:22,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3909a46b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:22, skipping insertion in model container [2023-11-21 22:23:22,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:22" (1/1) ... [2023-11-21 22:23:22,082 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:23:22,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:22,383 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:23:22,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:23:22,444 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:23:22,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:22 WrapperNode [2023-11-21 22:23:22,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:23:22,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:22,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:23:22,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:23:22,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:22" (1/1) ... [2023-11-21 22:23:22,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:22" (1/1) ... [2023-11-21 22:23:22,501 INFO L138 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 173 [2023-11-21 22:23:22,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:23:22,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:23:22,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:23:22,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:23:22,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:22" (1/1) ... [2023-11-21 22:23:22,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:22" (1/1) ... [2023-11-21 22:23:22,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:22" (1/1) ... [2023-11-21 22:23:22,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:22" (1/1) ... [2023-11-21 22:23:22,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:22" (1/1) ... [2023-11-21 22:23:22,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:22" (1/1) ... [2023-11-21 22:23:22,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:22" (1/1) ... [2023-11-21 22:23:22,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:22" (1/1) ... [2023-11-21 22:23:22,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:23:22,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:23:22,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:23:22,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:23:22,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:22" (1/1) ... [2023-11-21 22:23:22,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:23:22,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:23:22,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:23:22,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:23:22,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:23:22,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 22:23:22,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 22:23:22,665 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 22:23:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 22:23:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 22:23:22,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 22:23:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-21 22:23:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-21 22:23:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:23:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:23:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:23:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:23:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:23:22,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:23:22,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:23:22,674 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 22:23:22,885 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:23:22,889 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:23:23,686 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:23:23,725 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:23:23,725 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 22:23:23,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:23 BoogieIcfgContainer [2023-11-21 22:23:23,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:23:23,730 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:23:23,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:23:23,740 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:23:23,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:23:22" (1/3) ... [2023-11-21 22:23:23,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30829c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:23, skipping insertion in model container [2023-11-21 22:23:23,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:22" (2/3) ... [2023-11-21 22:23:23,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30829c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:23:23, skipping insertion in model container [2023-11-21 22:23:23,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:23" (3/3) ... [2023-11-21 22:23:23,746 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2023-11-21 22:23:23,756 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 22:23:23,771 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:23:23,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2023-11-21 22:23:23,772 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 22:23:24,016 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-21 22:23:24,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 442 places, 443 transitions, 914 flow [2023-11-21 22:23:24,360 INFO L124 PetriNetUnfolderBase]: 14/439 cut-off events. [2023-11-21 22:23:24,362 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-21 22:23:24,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 439 events. 14/439 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1150 event pairs, 0 based on Foata normal form. 0/350 useless extension candidates. Maximal degree in co-relation 305. Up to 2 conditions per place. [2023-11-21 22:23:24,389 INFO L82 GeneralOperation]: Start removeDead. Operand has 442 places, 443 transitions, 914 flow [2023-11-21 22:23:24,417 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 412 places, 411 transitions, 846 flow [2023-11-21 22:23:24,429 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:23:24,437 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;@796fca96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:23:24,438 INFO L358 AbstractCegarLoop]: Starting to check reachability of 135 error locations. [2023-11-21 22:23:24,444 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 22:23:24,444 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-21 22:23:24,444 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:23:24,445 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:24,445 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:24,446 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:24,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:24,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1324507211, now seen corresponding path program 1 times [2023-11-21 22:23:24,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:24,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345690696] [2023-11-21 22:23:24,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:24,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:24,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:24,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345690696] [2023-11-21 22:23:24,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345690696] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:24,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:24,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:24,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766888850] [2023-11-21 22:23:24,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:24,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:24,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:24,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:24,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:25,027 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 443 [2023-11-21 22:23:25,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 411 transitions, 846 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:25,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:25,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 443 [2023-11-21 22:23:25,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:25,316 INFO L124 PetriNetUnfolderBase]: 49/621 cut-off events. [2023-11-21 22:23:25,316 INFO L125 PetriNetUnfolderBase]: For 57/59 co-relation queries the response was YES. [2023-11-21 22:23:25,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 621 events. 49/621 cut-off events. For 57/59 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3005 event pairs, 39 based on Foata normal form. 91/583 useless extension candidates. Maximal degree in co-relation 660. Up to 109 conditions per place. [2023-11-21 22:23:25,341 INFO L140 encePairwiseOnDemand]: 435/443 looper letters, 27 selfloop transitions, 2 changer transitions 1/405 dead transitions. [2023-11-21 22:23:25,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 413 places, 405 transitions, 892 flow [2023-11-21 22:23:25,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:25,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:25,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1250 transitions. [2023-11-21 22:23:25,369 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9405568096313017 [2023-11-21 22:23:25,369 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1250 transitions. [2023-11-21 22:23:25,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1250 transitions. [2023-11-21 22:23:25,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:25,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1250 transitions. [2023-11-21 22:23:25,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 416.6666666666667) internal successors, (1250), 3 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:25,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:25,400 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:25,402 INFO L175 Difference]: Start difference. First operand has 412 places, 411 transitions, 846 flow. Second operand 3 states and 1250 transitions. [2023-11-21 22:23:25,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 413 places, 405 transitions, 892 flow [2023-11-21 22:23:25,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 405 places, 405 transitions, 876 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-21 22:23:25,430 INFO L231 Difference]: Finished difference. Result has 405 places, 404 transitions, 820 flow [2023-11-21 22:23:25,433 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=403, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=405, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=405, PETRI_TRANSITIONS=404} [2023-11-21 22:23:25,437 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -7 predicate places. [2023-11-21 22:23:25,438 INFO L495 AbstractCegarLoop]: Abstraction has has 405 places, 404 transitions, 820 flow [2023-11-21 22:23:25,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:25,440 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:25,440 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] [2023-11-21 22:23:25,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:23:25,441 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:25,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:25,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1044123703, now seen corresponding path program 1 times [2023-11-21 22:23:25,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:25,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796133606] [2023-11-21 22:23:25,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:25,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:25,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:25,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:25,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796133606] [2023-11-21 22:23:25,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796133606] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:25,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:25,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:25,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330829280] [2023-11-21 22:23:25,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:25,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:25,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:25,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:25,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:25,618 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 443 [2023-11-21 22:23:25,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 404 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:25,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:25,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 443 [2023-11-21 22:23:25,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:25,866 INFO L124 PetriNetUnfolderBase]: 49/619 cut-off events. [2023-11-21 22:23:25,867 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-11-21 22:23:25,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 763 conditions, 619 events. 49/619 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3150 event pairs, 39 based on Foata normal form. 0/491 useless extension candidates. Maximal degree in co-relation 733. Up to 108 conditions per place. [2023-11-21 22:23:25,890 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/403 dead transitions. [2023-11-21 22:23:25,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 403 transitions, 874 flow [2023-11-21 22:23:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:25,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:25,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1247 transitions. [2023-11-21 22:23:25,896 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9382994732881866 [2023-11-21 22:23:25,897 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1247 transitions. [2023-11-21 22:23:25,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1247 transitions. [2023-11-21 22:23:25,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:25,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1247 transitions. [2023-11-21 22:23:25,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 415.6666666666667) internal successors, (1247), 3 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:25,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:25,909 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:25,909 INFO L175 Difference]: Start difference. First operand has 405 places, 404 transitions, 820 flow. Second operand 3 states and 1247 transitions. [2023-11-21 22:23:25,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 403 transitions, 874 flow [2023-11-21 22:23:25,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 403 transitions, 870 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:25,920 INFO L231 Difference]: Finished difference. Result has 403 places, 403 transitions, 818 flow [2023-11-21 22:23:25,921 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=403, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=818, PETRI_PLACES=403, PETRI_TRANSITIONS=403} [2023-11-21 22:23:25,922 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -9 predicate places. [2023-11-21 22:23:25,923 INFO L495 AbstractCegarLoop]: Abstraction has has 403 places, 403 transitions, 818 flow [2023-11-21 22:23:25,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:25,927 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:25,928 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:25,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:23:25,929 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:25,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:25,931 INFO L85 PathProgramCache]: Analyzing trace with hash 332874004, now seen corresponding path program 1 times [2023-11-21 22:23:25,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:25,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852680339] [2023-11-21 22:23:25,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:25,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:26,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:26,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:26,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852680339] [2023-11-21 22:23:26,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852680339] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:26,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:26,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:26,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963985277] [2023-11-21 22:23:26,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:26,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:26,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:26,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:26,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:26,116 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 443 [2023-11-21 22:23:26,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 403 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:26,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:26,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 443 [2023-11-21 22:23:26,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:26,350 INFO L124 PetriNetUnfolderBase]: 49/618 cut-off events. [2023-11-21 22:23:26,350 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-11-21 22:23:26,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 750 conditions, 618 events. 49/618 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3165 event pairs, 39 based on Foata normal form. 0/490 useless extension candidates. Maximal degree in co-relation 713. Up to 109 conditions per place. [2023-11-21 22:23:26,383 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 27 selfloop transitions, 2 changer transitions 0/402 dead transitions. [2023-11-21 22:23:26,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 402 transitions, 874 flow [2023-11-21 22:23:26,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:26,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:26,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1245 transitions. [2023-11-21 22:23:26,388 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9367945823927766 [2023-11-21 22:23:26,388 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1245 transitions. [2023-11-21 22:23:26,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1245 transitions. [2023-11-21 22:23:26,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:26,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1245 transitions. [2023-11-21 22:23:26,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 415.0) internal successors, (1245), 3 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:26,454 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:26,456 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:26,456 INFO L175 Difference]: Start difference. First operand has 403 places, 403 transitions, 818 flow. Second operand 3 states and 1245 transitions. [2023-11-21 22:23:26,456 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 402 transitions, 874 flow [2023-11-21 22:23:26,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 402 places, 402 transitions, 870 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:26,469 INFO L231 Difference]: Finished difference. Result has 402 places, 402 transitions, 816 flow [2023-11-21 22:23:26,470 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=400, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=400, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=402, PETRI_TRANSITIONS=402} [2023-11-21 22:23:26,471 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -10 predicate places. [2023-11-21 22:23:26,471 INFO L495 AbstractCegarLoop]: Abstraction has has 402 places, 402 transitions, 816 flow [2023-11-21 22:23:26,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.3333333333333) internal successors, (1219), 3 states have internal predecessors, (1219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:26,473 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:26,473 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] [2023-11-21 22:23:26,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:23:26,474 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:26,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:26,474 INFO L85 PathProgramCache]: Analyzing trace with hash -378018773, now seen corresponding path program 1 times [2023-11-21 22:23:26,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:26,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472020317] [2023-11-21 22:23:26,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:26,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:26,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:26,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:26,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472020317] [2023-11-21 22:23:26,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472020317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:26,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:26,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:26,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141824352] [2023-11-21 22:23:26,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:26,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:26,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:26,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:26,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:26,711 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 406 out of 443 [2023-11-21 22:23:26,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 402 transitions, 816 flow. Second operand has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:26,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:26,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 406 of 443 [2023-11-21 22:23:26,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:27,003 INFO L124 PetriNetUnfolderBase]: 49/617 cut-off events. [2023-11-21 22:23:27,004 INFO L125 PetriNetUnfolderBase]: For 43/43 co-relation queries the response was YES. [2023-11-21 22:23:27,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 735 conditions, 617 events. 49/617 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3065 event pairs, 39 based on Foata normal form. 0/489 useless extension candidates. Maximal degree in co-relation 691. Up to 108 conditions per place. [2023-11-21 22:23:27,025 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 26 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2023-11-21 22:23:27,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 401 transitions, 870 flow [2023-11-21 22:23:27,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1247 transitions. [2023-11-21 22:23:27,032 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9382994732881866 [2023-11-21 22:23:27,032 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1247 transitions. [2023-11-21 22:23:27,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1247 transitions. [2023-11-21 22:23:27,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:27,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1247 transitions. [2023-11-21 22:23:27,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 415.6666666666667) internal successors, (1247), 3 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:27,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:27,044 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:27,045 INFO L175 Difference]: Start difference. First operand has 402 places, 402 transitions, 816 flow. Second operand 3 states and 1247 transitions. [2023-11-21 22:23:27,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 401 transitions, 870 flow [2023-11-21 22:23:27,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 401 transitions, 866 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:27,056 INFO L231 Difference]: Finished difference. Result has 401 places, 401 transitions, 814 flow [2023-11-21 22:23:27,057 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=401, PETRI_TRANSITIONS=401} [2023-11-21 22:23:27,059 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -11 predicate places. [2023-11-21 22:23:27,060 INFO L495 AbstractCegarLoop]: Abstraction has has 401 places, 401 transitions, 814 flow [2023-11-21 22:23:27,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 407.3333333333333) internal successors, (1222), 3 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:27,061 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:27,061 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] [2023-11-21 22:23:27,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:23:27,062 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:27,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:27,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1134987381, now seen corresponding path program 1 times [2023-11-21 22:23:27,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:27,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585837552] [2023-11-21 22:23:27,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:27,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:27,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:27,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:27,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585837552] [2023-11-21 22:23:27,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585837552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:27,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:27,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:27,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974085461] [2023-11-21 22:23:27,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:27,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:27,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:27,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:27,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:27,191 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 443 [2023-11-21 22:23:27,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 401 transitions, 814 flow. Second operand has 3 states, 3 states have (on average 418.3333333333333) internal successors, (1255), 3 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:27,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:27,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 443 [2023-11-21 22:23:27,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:27,965 INFO L124 PetriNetUnfolderBase]: 102/2262 cut-off events. [2023-11-21 22:23:27,966 INFO L125 PetriNetUnfolderBase]: For 15/23 co-relation queries the response was YES. [2023-11-21 22:23:28,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2427 conditions, 2262 events. 102/2262 cut-off events. For 15/23 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 18878 event pairs, 51 based on Foata normal form. 0/1711 useless extension candidates. Maximal degree in co-relation 2376. Up to 144 conditions per place. [2023-11-21 22:23:28,043 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 15 selfloop transitions, 2 changer transitions 0/400 dead transitions. [2023-11-21 22:23:28,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 402 places, 400 transitions, 846 flow [2023-11-21 22:23:28,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:28,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:28,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1269 transitions. [2023-11-21 22:23:28,051 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548532731376975 [2023-11-21 22:23:28,051 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1269 transitions. [2023-11-21 22:23:28,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1269 transitions. [2023-11-21 22:23:28,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:28,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1269 transitions. [2023-11-21 22:23:28,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 423.0) internal successors, (1269), 3 states have internal predecessors, (1269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:28,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:28,063 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:28,064 INFO L175 Difference]: Start difference. First operand has 401 places, 401 transitions, 814 flow. Second operand 3 states and 1269 transitions. [2023-11-21 22:23:28,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 402 places, 400 transitions, 846 flow [2023-11-21 22:23:28,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 400 transitions, 842 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:28,080 INFO L231 Difference]: Finished difference. Result has 400 places, 400 transitions, 812 flow [2023-11-21 22:23:28,081 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=812, PETRI_PLACES=400, PETRI_TRANSITIONS=400} [2023-11-21 22:23:28,084 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -12 predicate places. [2023-11-21 22:23:28,084 INFO L495 AbstractCegarLoop]: Abstraction has has 400 places, 400 transitions, 812 flow [2023-11-21 22:23:28,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 418.3333333333333) internal successors, (1255), 3 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:28,086 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:28,086 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:28,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:23:28,087 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:28,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:28,088 INFO L85 PathProgramCache]: Analyzing trace with hash -2058452397, now seen corresponding path program 1 times [2023-11-21 22:23:28,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:28,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375042522] [2023-11-21 22:23:28,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:28,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:28,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:28,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:28,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375042522] [2023-11-21 22:23:28,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375042522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:28,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:28,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:28,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683862750] [2023-11-21 22:23:28,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:28,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:28,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:28,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:28,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:28,224 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 387 out of 443 [2023-11-21 22:23:28,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 400 transitions, 812 flow. Second operand has 3 states, 3 states have (on average 388.0) internal successors, (1164), 3 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:28,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:28,227 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 387 of 443 [2023-11-21 22:23:28,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:28,460 INFO L124 PetriNetUnfolderBase]: 76/605 cut-off events. [2023-11-21 22:23:28,460 INFO L125 PetriNetUnfolderBase]: For 4/8 co-relation queries the response was YES. [2023-11-21 22:23:28,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 853 conditions, 605 events. 76/605 cut-off events. For 4/8 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3097 event pairs, 54 based on Foata normal form. 0/517 useless extension candidates. Maximal degree in co-relation 795. Up to 144 conditions per place. [2023-11-21 22:23:28,482 INFO L140 encePairwiseOnDemand]: 422/443 looper letters, 32 selfloop transitions, 9 changer transitions 0/392 dead transitions. [2023-11-21 22:23:28,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 392 transitions, 881 flow [2023-11-21 22:23:28,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:28,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:28,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1214 transitions. [2023-11-21 22:23:28,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9134687735139202 [2023-11-21 22:23:28,488 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1214 transitions. [2023-11-21 22:23:28,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1214 transitions. [2023-11-21 22:23:28,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:28,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1214 transitions. [2023-11-21 22:23:28,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 404.6666666666667) internal successors, (1214), 3 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:28,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:28,500 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:28,501 INFO L175 Difference]: Start difference. First operand has 400 places, 400 transitions, 812 flow. Second operand 3 states and 1214 transitions. [2023-11-21 22:23:28,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 392 transitions, 881 flow [2023-11-21 22:23:28,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 392 transitions, 877 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:28,512 INFO L231 Difference]: Finished difference. Result has 389 places, 389 transitions, 815 flow [2023-11-21 22:23:28,513 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=815, PETRI_PLACES=389, PETRI_TRANSITIONS=389} [2023-11-21 22:23:28,516 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -23 predicate places. [2023-11-21 22:23:28,517 INFO L495 AbstractCegarLoop]: Abstraction has has 389 places, 389 transitions, 815 flow [2023-11-21 22:23:28,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 388.0) internal successors, (1164), 3 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:28,519 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:28,519 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] [2023-11-21 22:23:28,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 22:23:28,520 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:28,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:28,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1807198597, now seen corresponding path program 1 times [2023-11-21 22:23:28,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:28,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761516773] [2023-11-21 22:23:28,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:28,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:28,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:28,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:28,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761516773] [2023-11-21 22:23:28,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761516773] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:28,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:28,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:28,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896320939] [2023-11-21 22:23:28,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:28,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:28,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:28,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:28,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:28,682 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 443 [2023-11-21 22:23:28,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 389 transitions, 815 flow. Second operand has 3 states, 3 states have (on average 391.0) internal successors, (1173), 3 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:28,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:28,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 443 [2023-11-21 22:23:28,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:28,943 INFO L124 PetriNetUnfolderBase]: 76/595 cut-off events. [2023-11-21 22:23:28,943 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-11-21 22:23:28,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 832 conditions, 595 events. 76/595 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3196 event pairs, 54 based on Foata normal form. 0/516 useless extension candidates. Maximal degree in co-relation 726. Up to 142 conditions per place. [2023-11-21 22:23:28,968 INFO L140 encePairwiseOnDemand]: 423/443 looper letters, 30 selfloop transitions, 9 changer transitions 0/382 dead transitions. [2023-11-21 22:23:28,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 382 transitions, 882 flow [2023-11-21 22:23:28,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:28,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:28,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1220 transitions. [2023-11-21 22:23:28,974 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9179834462001505 [2023-11-21 22:23:28,975 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1220 transitions. [2023-11-21 22:23:28,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1220 transitions. [2023-11-21 22:23:28,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:28,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1220 transitions. [2023-11-21 22:23:28,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:28,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:28,986 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:28,986 INFO L175 Difference]: Start difference. First operand has 389 places, 389 transitions, 815 flow. Second operand 3 states and 1220 transitions. [2023-11-21 22:23:28,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 382 transitions, 882 flow [2023-11-21 22:23:28,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 382 transitions, 873 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:23:28,998 INFO L231 Difference]: Finished difference. Result has 380 places, 379 transitions, 815 flow [2023-11-21 22:23:28,999 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=815, PETRI_PLACES=380, PETRI_TRANSITIONS=379} [2023-11-21 22:23:28,999 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -32 predicate places. [2023-11-21 22:23:29,000 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 379 transitions, 815 flow [2023-11-21 22:23:29,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 391.0) internal successors, (1173), 3 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:29,003 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:29,003 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] [2023-11-21 22:23:29,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 22:23:29,004 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:29,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:29,005 INFO L85 PathProgramCache]: Analyzing trace with hash -507131801, now seen corresponding path program 1 times [2023-11-21 22:23:29,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:29,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534951379] [2023-11-21 22:23:29,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:29,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:29,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:29,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534951379] [2023-11-21 22:23:29,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534951379] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:29,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:29,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:29,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096934068] [2023-11-21 22:23:29,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:29,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:29,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:29,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:29,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:29,149 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 387 out of 443 [2023-11-21 22:23:29,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 379 transitions, 815 flow. Second operand has 3 states, 3 states have (on average 388.0) internal successors, (1164), 3 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:29,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:29,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 387 of 443 [2023-11-21 22:23:29,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:29,468 INFO L124 PetriNetUnfolderBase]: 84/935 cut-off events. [2023-11-21 22:23:29,468 INFO L125 PetriNetUnfolderBase]: For 58/62 co-relation queries the response was YES. [2023-11-21 22:23:29,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1199 conditions, 935 events. 84/935 cut-off events. For 58/62 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 5706 event pairs, 33 based on Foata normal form. 0/808 useless extension candidates. Maximal degree in co-relation 1042. Up to 148 conditions per place. [2023-11-21 22:23:29,502 INFO L140 encePairwiseOnDemand]: 421/443 looper letters, 35 selfloop transitions, 10 changer transitions 0/375 dead transitions. [2023-11-21 22:23:29,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 375 transitions, 903 flow [2023-11-21 22:23:29,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:29,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:29,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1218 transitions. [2023-11-21 22:23:29,508 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9164785553047404 [2023-11-21 22:23:29,508 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1218 transitions. [2023-11-21 22:23:29,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1218 transitions. [2023-11-21 22:23:29,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:29,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1218 transitions. [2023-11-21 22:23:29,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 406.0) internal successors, (1218), 3 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:29,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:29,518 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:29,519 INFO L175 Difference]: Start difference. First operand has 380 places, 379 transitions, 815 flow. Second operand 3 states and 1218 transitions. [2023-11-21 22:23:29,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 375 transitions, 903 flow [2023-11-21 22:23:29,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 369 places, 375 transitions, 894 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:23:29,529 INFO L231 Difference]: Finished difference. Result has 370 places, 369 transitions, 820 flow [2023-11-21 22:23:29,530 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=370, PETRI_TRANSITIONS=369} [2023-11-21 22:23:29,531 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -42 predicate places. [2023-11-21 22:23:29,531 INFO L495 AbstractCegarLoop]: Abstraction has has 370 places, 369 transitions, 820 flow [2023-11-21 22:23:29,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 388.0) internal successors, (1164), 3 states have internal predecessors, (1164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:29,532 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:29,533 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:29,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 22:23:29,533 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:29,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:29,534 INFO L85 PathProgramCache]: Analyzing trace with hash -2022332067, now seen corresponding path program 1 times [2023-11-21 22:23:29,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:29,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446796063] [2023-11-21 22:23:29,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:29,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:29,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:29,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:29,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446796063] [2023-11-21 22:23:29,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446796063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:29,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:29,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:23:29,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375971488] [2023-11-21 22:23:29,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:29,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:23:29,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:29,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:23:29,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:23:29,628 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 443 [2023-11-21 22:23:29,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 370 places, 369 transitions, 820 flow. Second operand has 4 states, 4 states have (on average 417.25) internal successors, (1669), 4 states have internal predecessors, (1669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:29,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:29,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 443 [2023-11-21 22:23:29,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:29,819 INFO L124 PetriNetUnfolderBase]: 12/624 cut-off events. [2023-11-21 22:23:29,819 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-21 22:23:29,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 728 conditions, 624 events. 12/624 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2681 event pairs, 0 based on Foata normal form. 0/551 useless extension candidates. Maximal degree in co-relation 504. Up to 26 conditions per place. [2023-11-21 22:23:29,833 INFO L140 encePairwiseOnDemand]: 437/443 looper letters, 19 selfloop transitions, 5 changer transitions 0/374 dead transitions. [2023-11-21 22:23:29,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 374 transitions, 878 flow [2023-11-21 22:23:29,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:23:29,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-21 22:23:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2105 transitions. [2023-11-21 22:23:29,841 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9503386004514672 [2023-11-21 22:23:29,841 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2105 transitions. [2023-11-21 22:23:29,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2105 transitions. [2023-11-21 22:23:29,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:29,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2105 transitions. [2023-11-21 22:23:29,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 421.0) internal successors, (2105), 5 states have internal predecessors, (2105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:29,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 443.0) internal successors, (2658), 6 states have internal predecessors, (2658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:29,857 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 443.0) internal successors, (2658), 6 states have internal predecessors, (2658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:29,858 INFO L175 Difference]: Start difference. First operand has 370 places, 369 transitions, 820 flow. Second operand 5 states and 2105 transitions. [2023-11-21 22:23:29,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 374 transitions, 878 flow [2023-11-21 22:23:29,862 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 374 transitions, 868 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:23:29,868 INFO L231 Difference]: Finished difference. Result has 377 places, 373 transitions, 848 flow [2023-11-21 22:23:29,869 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=848, PETRI_PLACES=377, PETRI_TRANSITIONS=373} [2023-11-21 22:23:29,869 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -35 predicate places. [2023-11-21 22:23:29,870 INFO L495 AbstractCegarLoop]: Abstraction has has 377 places, 373 transitions, 848 flow [2023-11-21 22:23:29,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 417.25) internal successors, (1669), 4 states have internal predecessors, (1669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:29,871 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:29,872 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] [2023-11-21 22:23:29,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 22:23:29,872 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:29,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:29,873 INFO L85 PathProgramCache]: Analyzing trace with hash 794414310, now seen corresponding path program 1 times [2023-11-21 22:23:29,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:29,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43992152] [2023-11-21 22:23:29,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:29,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:29,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:29,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:29,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43992152] [2023-11-21 22:23:29,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43992152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:29,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:29,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:29,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047817303] [2023-11-21 22:23:29,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:29,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:29,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:29,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:29,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:29,984 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 443 [2023-11-21 22:23:29,993 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 373 transitions, 848 flow. Second operand has 3 states, 3 states have (on average 391.0) internal successors, (1173), 3 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:29,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:29,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 443 [2023-11-21 22:23:29,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:30,427 INFO L124 PetriNetUnfolderBase]: 133/1281 cut-off events. [2023-11-21 22:23:30,427 INFO L125 PetriNetUnfolderBase]: For 123/127 co-relation queries the response was YES. [2023-11-21 22:23:30,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1699 conditions, 1281 events. 133/1281 cut-off events. For 123/127 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 9022 event pairs, 58 based on Foata normal form. 1/1148 useless extension candidates. Maximal degree in co-relation 1306. Up to 236 conditions per place. [2023-11-21 22:23:30,453 INFO L140 encePairwiseOnDemand]: 423/443 looper letters, 31 selfloop transitions, 9 changer transitions 11/370 dead transitions. [2023-11-21 22:23:30,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 370 transitions, 933 flow [2023-11-21 22:23:30,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:30,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1223 transitions. [2023-11-21 22:23:30,458 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9202407825432656 [2023-11-21 22:23:30,458 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1223 transitions. [2023-11-21 22:23:30,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1223 transitions. [2023-11-21 22:23:30,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:30,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1223 transitions. [2023-11-21 22:23:30,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 407.6666666666667) internal successors, (1223), 3 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:30,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:30,468 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:30,468 INFO L175 Difference]: Start difference. First operand has 377 places, 373 transitions, 848 flow. Second operand 3 states and 1223 transitions. [2023-11-21 22:23:30,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 368 places, 370 transitions, 933 flow [2023-11-21 22:23:30,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 370 transitions, 933 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 22:23:30,482 INFO L231 Difference]: Finished difference. Result has 369 places, 352 transitions, 834 flow [2023-11-21 22:23:30,484 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=366, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=369, PETRI_TRANSITIONS=352} [2023-11-21 22:23:30,485 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -43 predicate places. [2023-11-21 22:23:30,485 INFO L495 AbstractCegarLoop]: Abstraction has has 369 places, 352 transitions, 834 flow [2023-11-21 22:23:30,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 391.0) internal successors, (1173), 3 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:30,486 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:30,486 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] [2023-11-21 22:23:30,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 22:23:30,486 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:30,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:30,487 INFO L85 PathProgramCache]: Analyzing trace with hash -90652959, now seen corresponding path program 1 times [2023-11-21 22:23:30,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:30,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697385764] [2023-11-21 22:23:30,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:30,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:30,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:30,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:30,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697385764] [2023-11-21 22:23:30,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697385764] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:30,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:30,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:30,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008655745] [2023-11-21 22:23:30,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:30,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:30,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:30,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:30,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:30,601 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 443 [2023-11-21 22:23:30,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 369 places, 352 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:30,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:30,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 443 [2023-11-21 22:23:30,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:32,828 INFO L124 PetriNetUnfolderBase]: 751/9479 cut-off events. [2023-11-21 22:23:32,828 INFO L125 PetriNetUnfolderBase]: For 280/330 co-relation queries the response was YES. [2023-11-21 22:23:32,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12268 conditions, 9479 events. 751/9479 cut-off events. For 280/330 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 116498 event pairs, 349 based on Foata normal form. 0/8402 useless extension candidates. Maximal degree in co-relation 9244. Up to 1015 conditions per place. [2023-11-21 22:23:32,977 INFO L140 encePairwiseOnDemand]: 435/443 looper letters, 19 selfloop transitions, 4 changer transitions 0/355 dead transitions. [2023-11-21 22:23:32,977 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 355 transitions, 889 flow [2023-11-21 22:23:32,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:32,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1272 transitions. [2023-11-21 22:23:32,982 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9571106094808126 [2023-11-21 22:23:32,982 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1272 transitions. [2023-11-21 22:23:32,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1272 transitions. [2023-11-21 22:23:32,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:32,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1272 transitions. [2023-11-21 22:23:32,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.0) internal successors, (1272), 3 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:32,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:32,991 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:32,991 INFO L175 Difference]: Start difference. First operand has 369 places, 352 transitions, 834 flow. Second operand 3 states and 1272 transitions. [2023-11-21 22:23:32,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 355 transitions, 889 flow [2023-11-21 22:23:33,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 355 transitions, 880 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:23:33,007 INFO L231 Difference]: Finished difference. Result has 356 places, 352 transitions, 845 flow [2023-11-21 22:23:33,008 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=845, PETRI_PLACES=356, PETRI_TRANSITIONS=352} [2023-11-21 22:23:33,009 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -56 predicate places. [2023-11-21 22:23:33,009 INFO L495 AbstractCegarLoop]: Abstraction has has 356 places, 352 transitions, 845 flow [2023-11-21 22:23:33,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.3333333333333) internal successors, (1249), 3 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:33,010 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:33,010 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] [2023-11-21 22:23:33,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 22:23:33,011 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:33,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:33,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1683610884, now seen corresponding path program 1 times [2023-11-21 22:23:33,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:33,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407136927] [2023-11-21 22:23:33,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:33,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:33,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:33,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:33,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407136927] [2023-11-21 22:23:33,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407136927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:33,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:33,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:33,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287416234] [2023-11-21 22:23:33,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:33,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:33,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:33,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:33,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:33,169 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 443 [2023-11-21 22:23:33,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 352 transitions, 845 flow. Second operand has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:33,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:33,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 443 [2023-11-21 22:23:33,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:33,884 INFO L124 PetriNetUnfolderBase]: 284/2919 cut-off events. [2023-11-21 22:23:33,884 INFO L125 PetriNetUnfolderBase]: For 97/103 co-relation queries the response was YES. [2023-11-21 22:23:33,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4101 conditions, 2919 events. 284/2919 cut-off events. For 97/103 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 27436 event pairs, 145 based on Foata normal form. 0/2623 useless extension candidates. Maximal degree in co-relation 2781. Up to 339 conditions per place. [2023-11-21 22:23:33,949 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 28 selfloop transitions, 2 changer transitions 0/354 dead transitions. [2023-11-21 22:23:33,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 354 transitions, 912 flow [2023-11-21 22:23:33,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:33,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:33,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1251 transitions. [2023-11-21 22:23:33,954 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9413092550790068 [2023-11-21 22:23:33,954 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1251 transitions. [2023-11-21 22:23:33,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1251 transitions. [2023-11-21 22:23:33,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:33,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1251 transitions. [2023-11-21 22:23:33,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:33,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:33,963 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:33,963 INFO L175 Difference]: Start difference. First operand has 356 places, 352 transitions, 845 flow. Second operand 3 states and 1251 transitions. [2023-11-21 22:23:33,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 354 transitions, 912 flow [2023-11-21 22:23:33,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 354 transitions, 912 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 22:23:33,973 INFO L231 Difference]: Finished difference. Result has 357 places, 351 transitions, 847 flow [2023-11-21 22:23:33,974 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=843, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=847, PETRI_PLACES=357, PETRI_TRANSITIONS=351} [2023-11-21 22:23:33,975 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -55 predicate places. [2023-11-21 22:23:33,975 INFO L495 AbstractCegarLoop]: Abstraction has has 357 places, 351 transitions, 847 flow [2023-11-21 22:23:33,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.0) internal successors, (1230), 3 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:33,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:33,976 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] [2023-11-21 22:23:33,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 22:23:33,976 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:33,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:33,977 INFO L85 PathProgramCache]: Analyzing trace with hash -830716671, now seen corresponding path program 1 times [2023-11-21 22:23:33,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:33,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162722705] [2023-11-21 22:23:33,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:33,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:34,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:34,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:34,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162722705] [2023-11-21 22:23:34,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162722705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:34,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:34,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:34,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746846094] [2023-11-21 22:23:34,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:34,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:34,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:34,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:34,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:34,125 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 443 [2023-11-21 22:23:34,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 351 transitions, 847 flow. Second operand has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:34,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:34,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 443 [2023-11-21 22:23:34,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:35,472 INFO L124 PetriNetUnfolderBase]: 500/4010 cut-off events. [2023-11-21 22:23:35,473 INFO L125 PetriNetUnfolderBase]: For 337/340 co-relation queries the response was YES. [2023-11-21 22:23:35,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5906 conditions, 4010 events. 500/4010 cut-off events. For 337/340 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 41572 event pairs, 310 based on Foata normal form. 0/3616 useless extension candidates. Maximal degree in co-relation 5705. Up to 766 conditions per place. [2023-11-21 22:23:35,603 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 27 selfloop transitions, 2 changer transitions 0/353 dead transitions. [2023-11-21 22:23:35,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 353 transitions, 912 flow [2023-11-21 22:23:35,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:35,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:35,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1253 transitions. [2023-11-21 22:23:35,609 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9428141459744168 [2023-11-21 22:23:35,610 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1253 transitions. [2023-11-21 22:23:35,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1253 transitions. [2023-11-21 22:23:35,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:35,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1253 transitions. [2023-11-21 22:23:35,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:35,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:35,619 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:35,620 INFO L175 Difference]: Start difference. First operand has 357 places, 351 transitions, 847 flow. Second operand 3 states and 1253 transitions. [2023-11-21 22:23:35,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 353 transitions, 912 flow [2023-11-21 22:23:35,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 353 transitions, 908 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:35,631 INFO L231 Difference]: Finished difference. Result has 356 places, 350 transitions, 845 flow [2023-11-21 22:23:35,632 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=841, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=845, PETRI_PLACES=356, PETRI_TRANSITIONS=350} [2023-11-21 22:23:35,633 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -56 predicate places. [2023-11-21 22:23:35,633 INFO L495 AbstractCegarLoop]: Abstraction has has 356 places, 350 transitions, 845 flow [2023-11-21 22:23:35,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:35,634 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:35,634 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] [2023-11-21 22:23:35,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 22:23:35,635 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:35,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:35,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1361107123, now seen corresponding path program 1 times [2023-11-21 22:23:35,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:35,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803382497] [2023-11-21 22:23:35,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:35,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:35,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:35,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:35,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803382497] [2023-11-21 22:23:35,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803382497] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:35,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:35,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:35,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848775920] [2023-11-21 22:23:35,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:35,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:35,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:35,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:35,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:35,766 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 443 [2023-11-21 22:23:35,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 350 transitions, 845 flow. Second operand has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:35,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:35,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 443 [2023-11-21 22:23:35,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:36,548 INFO L124 PetriNetUnfolderBase]: 284/2895 cut-off events. [2023-11-21 22:23:36,548 INFO L125 PetriNetUnfolderBase]: For 109/115 co-relation queries the response was YES. [2023-11-21 22:23:36,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4102 conditions, 2895 events. 284/2895 cut-off events. For 109/115 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 27178 event pairs, 145 based on Foata normal form. 0/2623 useless extension candidates. Maximal degree in co-relation 3502. Up to 339 conditions per place. [2023-11-21 22:23:36,617 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 28 selfloop transitions, 2 changer transitions 0/352 dead transitions. [2023-11-21 22:23:36,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 352 transitions, 912 flow [2023-11-21 22:23:36,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:36,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:36,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1251 transitions. [2023-11-21 22:23:36,622 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9413092550790068 [2023-11-21 22:23:36,622 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1251 transitions. [2023-11-21 22:23:36,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1251 transitions. [2023-11-21 22:23:36,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:36,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1251 transitions. [2023-11-21 22:23:36,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:36,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:36,632 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:36,632 INFO L175 Difference]: Start difference. First operand has 356 places, 350 transitions, 845 flow. Second operand 3 states and 1251 transitions. [2023-11-21 22:23:36,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 352 transitions, 912 flow [2023-11-21 22:23:36,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 352 transitions, 908 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:36,643 INFO L231 Difference]: Finished difference. Result has 355 places, 349 transitions, 843 flow [2023-11-21 22:23:36,644 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=839, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=843, PETRI_PLACES=355, PETRI_TRANSITIONS=349} [2023-11-21 22:23:36,645 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -57 predicate places. [2023-11-21 22:23:36,645 INFO L495 AbstractCegarLoop]: Abstraction has has 355 places, 349 transitions, 843 flow [2023-11-21 22:23:36,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:36,646 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:36,646 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:36,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-21 22:23:36,646 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:36,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:36,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1244454935, now seen corresponding path program 1 times [2023-11-21 22:23:36,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:36,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640262793] [2023-11-21 22:23:36,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:36,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:37,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:37,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640262793] [2023-11-21 22:23:37,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640262793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:37,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:37,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:23:37,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454182514] [2023-11-21 22:23:37,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:37,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:23:37,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:37,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:23:37,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:23:37,576 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 443 [2023-11-21 22:23:37,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 349 transitions, 843 flow. Second operand has 6 states, 6 states have (on average 419.8333333333333) internal successors, (2519), 6 states have internal predecessors, (2519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:37,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:37,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 443 [2023-11-21 22:23:37,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:38,127 INFO L124 PetriNetUnfolderBase]: 88/1831 cut-off events. [2023-11-21 22:23:38,128 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-11-21 22:23:38,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2297 conditions, 1831 events. 88/1831 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 14335 event pairs, 8 based on Foata normal form. 0/1644 useless extension candidates. Maximal degree in co-relation 2154. Up to 112 conditions per place. [2023-11-21 22:23:38,165 INFO L140 encePairwiseOnDemand]: 438/443 looper letters, 10 selfloop transitions, 4 changer transitions 0/348 dead transitions. [2023-11-21 22:23:38,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 348 transitions, 869 flow [2023-11-21 22:23:38,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:23:38,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:23:38,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2523 transitions. [2023-11-21 22:23:38,174 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9492099322799097 [2023-11-21 22:23:38,175 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2523 transitions. [2023-11-21 22:23:38,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2523 transitions. [2023-11-21 22:23:38,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:38,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2523 transitions. [2023-11-21 22:23:38,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 420.5) internal successors, (2523), 6 states have internal predecessors, (2523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:38,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:38,193 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:38,193 INFO L175 Difference]: Start difference. First operand has 355 places, 349 transitions, 843 flow. Second operand 6 states and 2523 transitions. [2023-11-21 22:23:38,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 348 transitions, 869 flow [2023-11-21 22:23:38,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 348 transitions, 865 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:38,203 INFO L231 Difference]: Finished difference. Result has 357 places, 348 transitions, 845 flow [2023-11-21 22:23:38,204 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=837, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=845, PETRI_PLACES=357, PETRI_TRANSITIONS=348} [2023-11-21 22:23:38,206 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -55 predicate places. [2023-11-21 22:23:38,206 INFO L495 AbstractCegarLoop]: Abstraction has has 357 places, 348 transitions, 845 flow [2023-11-21 22:23:38,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 419.8333333333333) internal successors, (2519), 6 states have internal predecessors, (2519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:38,207 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:38,208 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:38,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-21 22:23:38,208 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:38,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:38,209 INFO L85 PathProgramCache]: Analyzing trace with hash -2015087156, now seen corresponding path program 1 times [2023-11-21 22:23:38,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:38,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155454394] [2023-11-21 22:23:38,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:38,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:38,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:38,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:38,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155454394] [2023-11-21 22:23:38,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155454394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:38,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:38,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:38,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617588928] [2023-11-21 22:23:38,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:38,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:38,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:38,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:38,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:38,368 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 443 [2023-11-21 22:23:38,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 348 transitions, 845 flow. Second operand has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:38,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:38,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 443 [2023-11-21 22:23:38,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:39,245 INFO L124 PetriNetUnfolderBase]: 347/3013 cut-off events. [2023-11-21 22:23:39,245 INFO L125 PetriNetUnfolderBase]: For 292/301 co-relation queries the response was YES. [2023-11-21 22:23:39,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4383 conditions, 3013 events. 347/3013 cut-off events. For 292/301 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 28947 event pairs, 199 based on Foata normal form. 0/2726 useless extension candidates. Maximal degree in co-relation 3174. Up to 552 conditions per place. [2023-11-21 22:23:39,354 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 29 selfloop transitions, 2 changer transitions 0/350 dead transitions. [2023-11-21 22:23:39,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 350 transitions, 914 flow [2023-11-21 22:23:39,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:39,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:39,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1251 transitions. [2023-11-21 22:23:39,359 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9413092550790068 [2023-11-21 22:23:39,359 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1251 transitions. [2023-11-21 22:23:39,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1251 transitions. [2023-11-21 22:23:39,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:39,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1251 transitions. [2023-11-21 22:23:39,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:39,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:39,369 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:39,370 INFO L175 Difference]: Start difference. First operand has 357 places, 348 transitions, 845 flow. Second operand 3 states and 1251 transitions. [2023-11-21 22:23:39,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 350 transitions, 914 flow [2023-11-21 22:23:39,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 350 transitions, 907 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:23:39,382 INFO L231 Difference]: Finished difference. Result has 354 places, 347 transitions, 840 flow [2023-11-21 22:23:39,383 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=836, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=840, PETRI_PLACES=354, PETRI_TRANSITIONS=347} [2023-11-21 22:23:39,384 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -58 predicate places. [2023-11-21 22:23:39,384 INFO L495 AbstractCegarLoop]: Abstraction has has 354 places, 347 transitions, 840 flow [2023-11-21 22:23:39,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 410.3333333333333) internal successors, (1231), 3 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:39,385 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:39,386 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] [2023-11-21 22:23:39,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-21 22:23:39,386 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:39,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:39,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1143907036, now seen corresponding path program 1 times [2023-11-21 22:23:39,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:39,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691841073] [2023-11-21 22:23:39,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:39,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:39,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:39,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691841073] [2023-11-21 22:23:39,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691841073] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:39,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:39,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:39,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068905503] [2023-11-21 22:23:39,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:39,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:39,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:39,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:39,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:39,525 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 443 [2023-11-21 22:23:39,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 347 transitions, 840 flow. Second operand has 3 states, 3 states have (on average 412.3333333333333) internal successors, (1237), 3 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:39,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:39,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 443 [2023-11-21 22:23:39,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:40,828 INFO L124 PetriNetUnfolderBase]: 515/4090 cut-off events. [2023-11-21 22:23:40,828 INFO L125 PetriNetUnfolderBase]: For 347/350 co-relation queries the response was YES. [2023-11-21 22:23:40,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6064 conditions, 4090 events. 515/4090 cut-off events. For 347/350 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 42577 event pairs, 310 based on Foata normal form. 0/3739 useless extension candidates. Maximal degree in co-relation 5327. Up to 766 conditions per place. [2023-11-21 22:23:40,967 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 27 selfloop transitions, 2 changer transitions 0/349 dead transitions. [2023-11-21 22:23:40,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 349 transitions, 905 flow [2023-11-21 22:23:40,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:40,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1253 transitions. [2023-11-21 22:23:40,972 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9428141459744168 [2023-11-21 22:23:40,972 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1253 transitions. [2023-11-21 22:23:40,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1253 transitions. [2023-11-21 22:23:40,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:40,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1253 transitions. [2023-11-21 22:23:40,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:40,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:40,983 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:40,983 INFO L175 Difference]: Start difference. First operand has 354 places, 347 transitions, 840 flow. Second operand 3 states and 1253 transitions. [2023-11-21 22:23:40,983 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 349 transitions, 905 flow [2023-11-21 22:23:40,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 349 transitions, 901 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:40,995 INFO L231 Difference]: Finished difference. Result has 353 places, 346 transitions, 838 flow [2023-11-21 22:23:40,996 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=834, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=838, PETRI_PLACES=353, PETRI_TRANSITIONS=346} [2023-11-21 22:23:40,996 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -59 predicate places. [2023-11-21 22:23:40,997 INFO L495 AbstractCegarLoop]: Abstraction has has 353 places, 346 transitions, 838 flow [2023-11-21 22:23:40,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 412.3333333333333) internal successors, (1237), 3 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:40,997 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:40,998 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] [2023-11-21 22:23:40,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-21 22:23:40,998 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:40,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:40,999 INFO L85 PathProgramCache]: Analyzing trace with hash -270691158, now seen corresponding path program 1 times [2023-11-21 22:23:40,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:40,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138742636] [2023-11-21 22:23:41,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:41,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:41,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:41,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138742636] [2023-11-21 22:23:41,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138742636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:41,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:41,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:41,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691505874] [2023-11-21 22:23:41,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:41,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:41,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:41,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:41,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:41,172 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 443 [2023-11-21 22:23:41,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 346 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 411.6666666666667) internal successors, (1235), 3 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:41,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:41,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 443 [2023-11-21 22:23:41,174 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:41,840 INFO L124 PetriNetUnfolderBase]: 210/2377 cut-off events. [2023-11-21 22:23:41,840 INFO L125 PetriNetUnfolderBase]: For 213/218 co-relation queries the response was YES. [2023-11-21 22:23:41,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3263 conditions, 2377 events. 210/2377 cut-off events. For 213/218 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 20426 event pairs, 102 based on Foata normal form. 0/2164 useless extension candidates. Maximal degree in co-relation 2817. Up to 295 conditions per place. [2023-11-21 22:23:41,899 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 27 selfloop transitions, 2 changer transitions 0/348 dead transitions. [2023-11-21 22:23:41,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 348 transitions, 903 flow [2023-11-21 22:23:41,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:41,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:41,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1253 transitions. [2023-11-21 22:23:41,905 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9428141459744168 [2023-11-21 22:23:41,905 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1253 transitions. [2023-11-21 22:23:41,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1253 transitions. [2023-11-21 22:23:41,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:41,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1253 transitions. [2023-11-21 22:23:41,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:41,914 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:41,915 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:41,915 INFO L175 Difference]: Start difference. First operand has 353 places, 346 transitions, 838 flow. Second operand 3 states and 1253 transitions. [2023-11-21 22:23:41,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 348 transitions, 903 flow [2023-11-21 22:23:41,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 348 transitions, 899 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:41,927 INFO L231 Difference]: Finished difference. Result has 352 places, 345 transitions, 836 flow [2023-11-21 22:23:41,927 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=836, PETRI_PLACES=352, PETRI_TRANSITIONS=345} [2023-11-21 22:23:41,928 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -60 predicate places. [2023-11-21 22:23:41,928 INFO L495 AbstractCegarLoop]: Abstraction has has 352 places, 345 transitions, 836 flow [2023-11-21 22:23:41,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.6666666666667) internal successors, (1235), 3 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:41,929 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:41,929 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] [2023-11-21 22:23:41,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-21 22:23:41,930 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:41,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:41,930 INFO L85 PathProgramCache]: Analyzing trace with hash -25270232, now seen corresponding path program 1 times [2023-11-21 22:23:41,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:41,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722918495] [2023-11-21 22:23:41,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:41,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:41,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:41,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:41,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722918495] [2023-11-21 22:23:41,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722918495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:41,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:41,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:41,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595848783] [2023-11-21 22:23:41,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:41,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:41,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:41,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:41,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:42,061 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 443 [2023-11-21 22:23:42,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 345 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 412.0) internal successors, (1236), 3 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:42,063 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:42,063 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 443 [2023-11-21 22:23:42,063 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:42,787 INFO L124 PetriNetUnfolderBase]: 284/2844 cut-off events. [2023-11-21 22:23:42,787 INFO L125 PetriNetUnfolderBase]: For 107/113 co-relation queries the response was YES. [2023-11-21 22:23:42,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4050 conditions, 2844 events. 284/2844 cut-off events. For 107/113 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 26536 event pairs, 145 based on Foata normal form. 0/2623 useless extension candidates. Maximal degree in co-relation 3564. Up to 339 conditions per place. [2023-11-21 22:23:42,848 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 28 selfloop transitions, 2 changer transitions 0/347 dead transitions. [2023-11-21 22:23:42,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 347 transitions, 903 flow [2023-11-21 22:23:42,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:42,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:42,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1251 transitions. [2023-11-21 22:23:42,855 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9413092550790068 [2023-11-21 22:23:42,855 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1251 transitions. [2023-11-21 22:23:42,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1251 transitions. [2023-11-21 22:23:42,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:42,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1251 transitions. [2023-11-21 22:23:42,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:42,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:42,867 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:42,867 INFO L175 Difference]: Start difference. First operand has 352 places, 345 transitions, 836 flow. Second operand 3 states and 1251 transitions. [2023-11-21 22:23:42,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 347 transitions, 903 flow [2023-11-21 22:23:42,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 347 transitions, 899 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:42,879 INFO L231 Difference]: Finished difference. Result has 351 places, 344 transitions, 834 flow [2023-11-21 22:23:42,879 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=834, PETRI_PLACES=351, PETRI_TRANSITIONS=344} [2023-11-21 22:23:42,880 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -61 predicate places. [2023-11-21 22:23:42,880 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 344 transitions, 834 flow [2023-11-21 22:23:42,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 412.0) internal successors, (1236), 3 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:42,881 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:42,882 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] [2023-11-21 22:23:42,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-21 22:23:42,882 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:42,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:42,883 INFO L85 PathProgramCache]: Analyzing trace with hash 522650357, now seen corresponding path program 1 times [2023-11-21 22:23:42,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:42,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109580164] [2023-11-21 22:23:42,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:42,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:42,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:42,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109580164] [2023-11-21 22:23:42,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109580164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:42,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:42,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:42,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265323623] [2023-11-21 22:23:42,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:42,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:42,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:42,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:42,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:43,012 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 443 [2023-11-21 22:23:43,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 344 transitions, 834 flow. Second operand has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:43,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:43,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 443 [2023-11-21 22:23:43,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:43,790 INFO L124 PetriNetUnfolderBase]: 347/2985 cut-off events. [2023-11-21 22:23:43,790 INFO L125 PetriNetUnfolderBase]: For 293/302 co-relation queries the response was YES. [2023-11-21 22:23:43,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4352 conditions, 2985 events. 347/2985 cut-off events. For 293/302 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 28321 event pairs, 199 based on Foata normal form. 0/2742 useless extension candidates. Maximal degree in co-relation 4237. Up to 552 conditions per place. [2023-11-21 22:23:43,852 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 29 selfloop transitions, 2 changer transitions 0/346 dead transitions. [2023-11-21 22:23:43,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 346 transitions, 903 flow [2023-11-21 22:23:43,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:43,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:43,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1251 transitions. [2023-11-21 22:23:43,858 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9413092550790068 [2023-11-21 22:23:43,858 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1251 transitions. [2023-11-21 22:23:43,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1251 transitions. [2023-11-21 22:23:43,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:43,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1251 transitions. [2023-11-21 22:23:43,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:43,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:43,868 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:43,869 INFO L175 Difference]: Start difference. First operand has 351 places, 344 transitions, 834 flow. Second operand 3 states and 1251 transitions. [2023-11-21 22:23:43,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 346 transitions, 903 flow [2023-11-21 22:23:43,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 346 transitions, 899 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:43,880 INFO L231 Difference]: Finished difference. Result has 350 places, 343 transitions, 832 flow [2023-11-21 22:23:43,880 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=832, PETRI_PLACES=350, PETRI_TRANSITIONS=343} [2023-11-21 22:23:43,881 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -62 predicate places. [2023-11-21 22:23:43,881 INFO L495 AbstractCegarLoop]: Abstraction has has 350 places, 343 transitions, 832 flow [2023-11-21 22:23:43,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.3333333333333) internal successors, (1234), 3 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:43,882 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:43,883 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] [2023-11-21 22:23:43,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-21 22:23:43,883 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:43,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:43,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1468483987, now seen corresponding path program 1 times [2023-11-21 22:23:43,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:43,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359360660] [2023-11-21 22:23:43,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:43,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:43,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:43,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:43,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359360660] [2023-11-21 22:23:43,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359360660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:43,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:43,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:43,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057120194] [2023-11-21 22:23:43,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:43,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:43,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:43,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:43,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:44,025 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 443 [2023-11-21 22:23:44,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 343 transitions, 832 flow. Second operand has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:44,027 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:44,027 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 443 [2023-11-21 22:23:44,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:45,350 INFO L124 PetriNetUnfolderBase]: 527/4289 cut-off events. [2023-11-21 22:23:45,350 INFO L125 PetriNetUnfolderBase]: For 347/350 co-relation queries the response was YES. [2023-11-21 22:23:45,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6305 conditions, 4289 events. 527/4289 cut-off events. For 347/350 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 44399 event pairs, 310 based on Foata normal form. 0/3976 useless extension candidates. Maximal degree in co-relation 5742. Up to 766 conditions per place. [2023-11-21 22:23:45,543 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 27 selfloop transitions, 2 changer transitions 0/345 dead transitions. [2023-11-21 22:23:45,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 345 transitions, 897 flow [2023-11-21 22:23:45,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:45,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:45,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1253 transitions. [2023-11-21 22:23:45,548 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9428141459744168 [2023-11-21 22:23:45,548 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1253 transitions. [2023-11-21 22:23:45,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1253 transitions. [2023-11-21 22:23:45,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:45,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1253 transitions. [2023-11-21 22:23:45,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:45,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:45,558 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:45,558 INFO L175 Difference]: Start difference. First operand has 350 places, 343 transitions, 832 flow. Second operand 3 states and 1253 transitions. [2023-11-21 22:23:45,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 345 transitions, 897 flow [2023-11-21 22:23:45,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 345 transitions, 893 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:45,570 INFO L231 Difference]: Finished difference. Result has 349 places, 342 transitions, 830 flow [2023-11-21 22:23:45,570 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=830, PETRI_PLACES=349, PETRI_TRANSITIONS=342} [2023-11-21 22:23:45,571 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -63 predicate places. [2023-11-21 22:23:45,571 INFO L495 AbstractCegarLoop]: Abstraction has has 349 places, 342 transitions, 830 flow [2023-11-21 22:23:45,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:45,571 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:45,571 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] [2023-11-21 22:23:45,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-21 22:23:45,572 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread4Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:45,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:45,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1461346323, now seen corresponding path program 1 times [2023-11-21 22:23:45,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:45,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003675811] [2023-11-21 22:23:45,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:45,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:45,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:45,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003675811] [2023-11-21 22:23:45,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003675811] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:45,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:45,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:45,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027381162] [2023-11-21 22:23:45,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:45,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:45,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:45,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:45,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:45,709 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 443 [2023-11-21 22:23:45,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 342 transitions, 830 flow. Second operand has 3 states, 3 states have (on average 412.6666666666667) internal successors, (1238), 3 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:45,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:45,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 443 [2023-11-21 22:23:45,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:46,354 INFO L124 PetriNetUnfolderBase]: 210/2338 cut-off events. [2023-11-21 22:23:46,354 INFO L125 PetriNetUnfolderBase]: For 213/218 co-relation queries the response was YES. [2023-11-21 22:23:46,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3224 conditions, 2338 events. 210/2338 cut-off events. For 213/218 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 20038 event pairs, 102 based on Foata normal form. 0/2164 useless extension candidates. Maximal degree in co-relation 2922. Up to 295 conditions per place. [2023-11-21 22:23:46,384 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 27 selfloop transitions, 2 changer transitions 0/344 dead transitions. [2023-11-21 22:23:46,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 344 transitions, 895 flow [2023-11-21 22:23:46,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:46,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:46,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1253 transitions. [2023-11-21 22:23:46,389 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9428141459744168 [2023-11-21 22:23:46,389 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1253 transitions. [2023-11-21 22:23:46,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1253 transitions. [2023-11-21 22:23:46,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:46,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1253 transitions. [2023-11-21 22:23:46,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:46,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:46,398 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:46,398 INFO L175 Difference]: Start difference. First operand has 349 places, 342 transitions, 830 flow. Second operand 3 states and 1253 transitions. [2023-11-21 22:23:46,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 344 transitions, 895 flow [2023-11-21 22:23:46,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 344 transitions, 891 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:46,408 INFO L231 Difference]: Finished difference. Result has 348 places, 341 transitions, 828 flow [2023-11-21 22:23:46,409 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=348, PETRI_TRANSITIONS=341} [2023-11-21 22:23:46,409 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -64 predicate places. [2023-11-21 22:23:46,409 INFO L495 AbstractCegarLoop]: Abstraction has has 348 places, 341 transitions, 828 flow [2023-11-21 22:23:46,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 412.6666666666667) internal successors, (1238), 3 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:46,410 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:46,410 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] [2023-11-21 22:23:46,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-21 22:23:46,411 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:46,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:46,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1970149447, now seen corresponding path program 1 times [2023-11-21 22:23:46,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:46,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473845744] [2023-11-21 22:23:46,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:46,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:46,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:46,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473845744] [2023-11-21 22:23:46,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473845744] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:46,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:46,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:46,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973690234] [2023-11-21 22:23:46,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:46,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:46,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:46,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:46,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:46,556 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 443 [2023-11-21 22:23:46,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 341 transitions, 828 flow. Second operand has 3 states, 3 states have (on average 413.0) internal successors, (1239), 3 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:46,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:46,558 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 443 [2023-11-21 22:23:46,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:47,175 INFO L124 PetriNetUnfolderBase]: 284/2796 cut-off events. [2023-11-21 22:23:47,175 INFO L125 PetriNetUnfolderBase]: For 107/113 co-relation queries the response was YES. [2023-11-21 22:23:47,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4002 conditions, 2796 events. 284/2796 cut-off events. For 107/113 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 25831 event pairs, 145 based on Foata normal form. 0/2623 useless extension candidates. Maximal degree in co-relation 3636. Up to 339 conditions per place. [2023-11-21 22:23:47,233 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 28 selfloop transitions, 2 changer transitions 0/343 dead transitions. [2023-11-21 22:23:47,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 343 transitions, 895 flow [2023-11-21 22:23:47,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:47,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:47,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1251 transitions. [2023-11-21 22:23:47,238 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9413092550790068 [2023-11-21 22:23:47,238 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1251 transitions. [2023-11-21 22:23:47,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1251 transitions. [2023-11-21 22:23:47,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:47,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1251 transitions. [2023-11-21 22:23:47,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:47,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:47,248 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:47,248 INFO L175 Difference]: Start difference. First operand has 348 places, 341 transitions, 828 flow. Second operand 3 states and 1251 transitions. [2023-11-21 22:23:47,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 343 transitions, 895 flow [2023-11-21 22:23:47,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 343 transitions, 891 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:47,259 INFO L231 Difference]: Finished difference. Result has 347 places, 340 transitions, 826 flow [2023-11-21 22:23:47,260 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=347, PETRI_TRANSITIONS=340} [2023-11-21 22:23:47,261 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -65 predicate places. [2023-11-21 22:23:47,261 INFO L495 AbstractCegarLoop]: Abstraction has has 347 places, 340 transitions, 826 flow [2023-11-21 22:23:47,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.0) internal successors, (1239), 3 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:47,262 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:47,262 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:47,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-21 22:23:47,263 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:47,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:47,263 INFO L85 PathProgramCache]: Analyzing trace with hash -511581035, now seen corresponding path program 1 times [2023-11-21 22:23:47,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:47,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82132766] [2023-11-21 22:23:47,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:47,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:47,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:47,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82132766] [2023-11-21 22:23:47,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82132766] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:47,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:47,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:23:47,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169817606] [2023-11-21 22:23:47,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:47,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:23:47,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:47,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:23:47,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:23:48,157 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 443 [2023-11-21 22:23:48,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 340 transitions, 826 flow. Second operand has 6 states, 6 states have (on average 420.0) internal successors, (2520), 6 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:48,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:48,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 443 [2023-11-21 22:23:48,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:48,514 INFO L124 PetriNetUnfolderBase]: 88/1770 cut-off events. [2023-11-21 22:23:48,514 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-11-21 22:23:48,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2239 conditions, 1770 events. 88/1770 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 13556 event pairs, 8 based on Foata normal form. 0/1644 useless extension candidates. Maximal degree in co-relation 2168. Up to 112 conditions per place. [2023-11-21 22:23:48,542 INFO L140 encePairwiseOnDemand]: 438/443 looper letters, 10 selfloop transitions, 4 changer transitions 0/339 dead transitions. [2023-11-21 22:23:48,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 339 transitions, 852 flow [2023-11-21 22:23:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:23:48,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:23:48,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2523 transitions. [2023-11-21 22:23:48,550 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9492099322799097 [2023-11-21 22:23:48,550 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2523 transitions. [2023-11-21 22:23:48,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2523 transitions. [2023-11-21 22:23:48,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:48,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2523 transitions. [2023-11-21 22:23:48,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 420.5) internal successors, (2523), 6 states have internal predecessors, (2523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:48,566 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:48,568 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:48,568 INFO L175 Difference]: Start difference. First operand has 347 places, 340 transitions, 826 flow. Second operand 6 states and 2523 transitions. [2023-11-21 22:23:48,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 339 transitions, 852 flow [2023-11-21 22:23:48,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 339 transitions, 848 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:48,578 INFO L231 Difference]: Finished difference. Result has 349 places, 339 transitions, 828 flow [2023-11-21 22:23:48,578 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=828, PETRI_PLACES=349, PETRI_TRANSITIONS=339} [2023-11-21 22:23:48,579 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -63 predicate places. [2023-11-21 22:23:48,579 INFO L495 AbstractCegarLoop]: Abstraction has has 349 places, 339 transitions, 828 flow [2023-11-21 22:23:48,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 420.0) internal successors, (2520), 6 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:48,581 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:48,581 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] [2023-11-21 22:23:48,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-21 22:23:48,581 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:48,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:48,582 INFO L85 PathProgramCache]: Analyzing trace with hash -483070472, now seen corresponding path program 1 times [2023-11-21 22:23:48,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:48,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917146712] [2023-11-21 22:23:48,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:48,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:48,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:48,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:48,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917146712] [2023-11-21 22:23:48,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917146712] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:48,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:48,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:48,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571944093] [2023-11-21 22:23:48,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:48,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:48,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:48,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:48,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:48,722 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 443 [2023-11-21 22:23:48,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 339 transitions, 828 flow. Second operand has 3 states, 3 states have (on average 412.3333333333333) internal successors, (1237), 3 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:48,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:48,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 443 [2023-11-21 22:23:48,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:49,364 INFO L124 PetriNetUnfolderBase]: 347/2952 cut-off events. [2023-11-21 22:23:49,365 INFO L125 PetriNetUnfolderBase]: For 290/299 co-relation queries the response was YES. [2023-11-21 22:23:49,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4397 conditions, 2952 events. 347/2952 cut-off events. For 290/299 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 27828 event pairs, 199 based on Foata normal form. 0/2772 useless extension candidates. Maximal degree in co-relation 3781. Up to 552 conditions per place. [2023-11-21 22:23:49,422 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 29 selfloop transitions, 2 changer transitions 0/341 dead transitions. [2023-11-21 22:23:49,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 341 transitions, 897 flow [2023-11-21 22:23:49,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:49,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:49,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1251 transitions. [2023-11-21 22:23:49,428 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9413092550790068 [2023-11-21 22:23:49,428 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1251 transitions. [2023-11-21 22:23:49,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1251 transitions. [2023-11-21 22:23:49,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:49,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1251 transitions. [2023-11-21 22:23:49,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:49,435 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:49,435 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:49,436 INFO L175 Difference]: Start difference. First operand has 349 places, 339 transitions, 828 flow. Second operand 3 states and 1251 transitions. [2023-11-21 22:23:49,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 341 transitions, 897 flow [2023-11-21 22:23:49,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 341 transitions, 890 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:23:49,447 INFO L231 Difference]: Finished difference. Result has 346 places, 338 transitions, 823 flow [2023-11-21 22:23:49,447 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=819, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=823, PETRI_PLACES=346, PETRI_TRANSITIONS=338} [2023-11-21 22:23:49,448 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -66 predicate places. [2023-11-21 22:23:49,448 INFO L495 AbstractCegarLoop]: Abstraction has has 346 places, 338 transitions, 823 flow [2023-11-21 22:23:49,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 412.3333333333333) internal successors, (1237), 3 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:49,449 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:49,449 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] [2023-11-21 22:23:49,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-21 22:23:49,449 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:49,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:49,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1699890864, now seen corresponding path program 1 times [2023-11-21 22:23:49,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:49,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449986264] [2023-11-21 22:23:49,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:49,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:49,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:49,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:49,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449986264] [2023-11-21 22:23:49,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449986264] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:49,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:49,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:49,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267532845] [2023-11-21 22:23:49,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:49,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:49,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:49,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:49,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:49,566 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 443 [2023-11-21 22:23:49,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 338 transitions, 823 flow. Second operand has 3 states, 3 states have (on average 414.3333333333333) internal successors, (1243), 3 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:49,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:49,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 443 [2023-11-21 22:23:49,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:50,691 INFO L124 PetriNetUnfolderBase]: 539/4431 cut-off events. [2023-11-21 22:23:50,692 INFO L125 PetriNetUnfolderBase]: For 347/350 co-relation queries the response was YES. [2023-11-21 22:23:50,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6540 conditions, 4431 events. 539/4431 cut-off events. For 347/350 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 45183 event pairs, 310 based on Foata normal form. 0/4219 useless extension candidates. Maximal degree in co-relation 6151. Up to 766 conditions per place. [2023-11-21 22:23:50,813 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 27 selfloop transitions, 2 changer transitions 0/340 dead transitions. [2023-11-21 22:23:50,813 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 340 transitions, 888 flow [2023-11-21 22:23:50,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:50,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1253 transitions. [2023-11-21 22:23:50,818 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9428141459744168 [2023-11-21 22:23:50,818 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1253 transitions. [2023-11-21 22:23:50,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1253 transitions. [2023-11-21 22:23:50,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:50,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1253 transitions. [2023-11-21 22:23:50,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:50,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:50,824 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:50,825 INFO L175 Difference]: Start difference. First operand has 346 places, 338 transitions, 823 flow. Second operand 3 states and 1253 transitions. [2023-11-21 22:23:50,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 340 transitions, 888 flow [2023-11-21 22:23:50,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 340 transitions, 884 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:50,836 INFO L231 Difference]: Finished difference. Result has 345 places, 337 transitions, 821 flow [2023-11-21 22:23:50,837 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=821, PETRI_PLACES=345, PETRI_TRANSITIONS=337} [2023-11-21 22:23:50,837 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -67 predicate places. [2023-11-21 22:23:50,838 INFO L495 AbstractCegarLoop]: Abstraction has has 345 places, 337 transitions, 821 flow [2023-11-21 22:23:50,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.3333333333333) internal successors, (1243), 3 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:50,838 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:50,838 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] [2023-11-21 22:23:50,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-21 22:23:50,839 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread4Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:50,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:50,839 INFO L85 PathProgramCache]: Analyzing trace with hash 602428630, now seen corresponding path program 1 times [2023-11-21 22:23:50,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:50,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659517184] [2023-11-21 22:23:50,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:50,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:50,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:50,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:50,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659517184] [2023-11-21 22:23:50,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659517184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:50,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:50,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:50,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678186477] [2023-11-21 22:23:50,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:50,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:50,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:50,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:50,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:50,963 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 443 [2023-11-21 22:23:50,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 337 transitions, 821 flow. Second operand has 3 states, 3 states have (on average 413.6666666666667) internal successors, (1241), 3 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:50,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:50,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 443 [2023-11-21 22:23:50,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:51,445 INFO L124 PetriNetUnfolderBase]: 210/2296 cut-off events. [2023-11-21 22:23:51,445 INFO L125 PetriNetUnfolderBase]: For 213/218 co-relation queries the response was YES. [2023-11-21 22:23:51,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3185 conditions, 2296 events. 210/2296 cut-off events. For 213/218 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 19491 event pairs, 102 based on Foata normal form. 0/2164 useless extension candidates. Maximal degree in co-relation 3027. Up to 295 conditions per place. [2023-11-21 22:23:51,483 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 27 selfloop transitions, 2 changer transitions 0/339 dead transitions. [2023-11-21 22:23:51,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 339 transitions, 886 flow [2023-11-21 22:23:51,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:51,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:51,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1253 transitions. [2023-11-21 22:23:51,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9428141459744168 [2023-11-21 22:23:51,489 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1253 transitions. [2023-11-21 22:23:51,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1253 transitions. [2023-11-21 22:23:51,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:51,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1253 transitions. [2023-11-21 22:23:51,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:51,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:51,495 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:51,495 INFO L175 Difference]: Start difference. First operand has 345 places, 337 transitions, 821 flow. Second operand 3 states and 1253 transitions. [2023-11-21 22:23:51,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 339 transitions, 886 flow [2023-11-21 22:23:51,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 339 transitions, 882 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:51,506 INFO L231 Difference]: Finished difference. Result has 344 places, 336 transitions, 819 flow [2023-11-21 22:23:51,507 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=815, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=819, PETRI_PLACES=344, PETRI_TRANSITIONS=336} [2023-11-21 22:23:51,507 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -68 predicate places. [2023-11-21 22:23:51,507 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 336 transitions, 819 flow [2023-11-21 22:23:51,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.6666666666667) internal successors, (1241), 3 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:51,508 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:51,508 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] [2023-11-21 22:23:51,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-21 22:23:51,508 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:51,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:51,509 INFO L85 PathProgramCache]: Analyzing trace with hash 120762465, now seen corresponding path program 1 times [2023-11-21 22:23:51,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:51,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892470114] [2023-11-21 22:23:51,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:51,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:51,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:51,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892470114] [2023-11-21 22:23:51,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892470114] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:51,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:51,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:51,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148318635] [2023-11-21 22:23:51,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:51,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:51,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:51,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:51,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:51,647 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 443 [2023-11-21 22:23:51,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 336 transitions, 819 flow. Second operand has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:51,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:51,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 443 [2023-11-21 22:23:51,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:52,210 INFO L124 PetriNetUnfolderBase]: 347/2937 cut-off events. [2023-11-21 22:23:52,210 INFO L125 PetriNetUnfolderBase]: For 298/307 co-relation queries the response was YES. [2023-11-21 22:23:52,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4341 conditions, 2937 events. 347/2937 cut-off events. For 298/307 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 27487 event pairs, 199 based on Foata normal form. 0/2803 useless extension candidates. Maximal degree in co-relation 4131. Up to 552 conditions per place. [2023-11-21 22:23:52,258 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 29 selfloop transitions, 2 changer transitions 0/338 dead transitions. [2023-11-21 22:23:52,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 338 transitions, 888 flow [2023-11-21 22:23:52,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:52,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1251 transitions. [2023-11-21 22:23:52,262 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9413092550790068 [2023-11-21 22:23:52,262 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1251 transitions. [2023-11-21 22:23:52,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1251 transitions. [2023-11-21 22:23:52,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:52,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1251 transitions. [2023-11-21 22:23:52,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.0) internal successors, (1251), 3 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:52,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:52,268 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:52,268 INFO L175 Difference]: Start difference. First operand has 344 places, 336 transitions, 819 flow. Second operand 3 states and 1251 transitions. [2023-11-21 22:23:52,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 338 transitions, 888 flow [2023-11-21 22:23:52,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 338 transitions, 884 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:52,277 INFO L231 Difference]: Finished difference. Result has 343 places, 335 transitions, 817 flow [2023-11-21 22:23:52,278 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=813, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=817, PETRI_PLACES=343, PETRI_TRANSITIONS=335} [2023-11-21 22:23:52,279 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -69 predicate places. [2023-11-21 22:23:52,279 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 335 transitions, 817 flow [2023-11-21 22:23:52,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 413.3333333333333) internal successors, (1240), 3 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:52,279 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:52,280 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:52,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-21 22:23:52,280 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:52,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:52,281 INFO L85 PathProgramCache]: Analyzing trace with hash 380730506, now seen corresponding path program 1 times [2023-11-21 22:23:52,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:52,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820884299] [2023-11-21 22:23:52,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:52,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:52,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:52,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:52,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820884299] [2023-11-21 22:23:52,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820884299] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:52,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:52,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:23:52,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276181243] [2023-11-21 22:23:52,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:52,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:23:52,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:52,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:23:52,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:23:53,107 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 443 [2023-11-21 22:23:53,109 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 335 transitions, 817 flow. Second operand has 6 states, 6 states have (on average 420.1666666666667) internal successors, (2521), 6 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:53,109 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:53,109 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 443 [2023-11-21 22:23:53,109 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:53,423 INFO L124 PetriNetUnfolderBase]: 88/1727 cut-off events. [2023-11-21 22:23:53,424 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2023-11-21 22:23:53,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2233 conditions, 1727 events. 88/1727 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 13078 event pairs, 8 based on Foata normal form. 0/1644 useless extension candidates. Maximal degree in co-relation 2107. Up to 112 conditions per place. [2023-11-21 22:23:53,446 INFO L140 encePairwiseOnDemand]: 438/443 looper letters, 10 selfloop transitions, 4 changer transitions 0/334 dead transitions. [2023-11-21 22:23:53,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 334 transitions, 843 flow [2023-11-21 22:23:53,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:23:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:23:53,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2523 transitions. [2023-11-21 22:23:53,453 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9492099322799097 [2023-11-21 22:23:53,453 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2523 transitions. [2023-11-21 22:23:53,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2523 transitions. [2023-11-21 22:23:53,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:53,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2523 transitions. [2023-11-21 22:23:53,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 420.5) internal successors, (2523), 6 states have internal predecessors, (2523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:53,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:53,463 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:53,463 INFO L175 Difference]: Start difference. First operand has 343 places, 335 transitions, 817 flow. Second operand 6 states and 2523 transitions. [2023-11-21 22:23:53,463 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 334 transitions, 843 flow [2023-11-21 22:23:53,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 334 transitions, 839 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:53,472 INFO L231 Difference]: Finished difference. Result has 345 places, 334 transitions, 819 flow [2023-11-21 22:23:53,473 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=811, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=819, PETRI_PLACES=345, PETRI_TRANSITIONS=334} [2023-11-21 22:23:53,474 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -67 predicate places. [2023-11-21 22:23:53,474 INFO L495 AbstractCegarLoop]: Abstraction has has 345 places, 334 transitions, 819 flow [2023-11-21 22:23:53,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 420.1666666666667) internal successors, (2521), 6 states have internal predecessors, (2521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:53,475 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:53,475 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] [2023-11-21 22:23:53,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-21 22:23:53,476 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread4Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:53,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:53,476 INFO L85 PathProgramCache]: Analyzing trace with hash -483064449, now seen corresponding path program 1 times [2023-11-21 22:23:53,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:53,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55165178] [2023-11-21 22:23:53,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:53,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:53,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:53,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:53,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55165178] [2023-11-21 22:23:53,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55165178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:53,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:53,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:23:53,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296408416] [2023-11-21 22:23:53,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:53,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:23:53,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:53,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:23:53,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:23:53,605 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 443 [2023-11-21 22:23:53,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 334 transitions, 819 flow. Second operand has 3 states, 3 states have (on average 414.6666666666667) internal successors, (1244), 3 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:53,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:53,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 443 [2023-11-21 22:23:53,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:54,110 INFO L124 PetriNetUnfolderBase]: 210/2265 cut-off events. [2023-11-21 22:23:54,110 INFO L125 PetriNetUnfolderBase]: For 201/206 co-relation queries the response was YES. [2023-11-21 22:23:54,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3158 conditions, 2265 events. 210/2265 cut-off events. For 201/206 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 19144 event pairs, 102 based on Foata normal form. 0/2164 useless extension candidates. Maximal degree in co-relation 2921. Up to 295 conditions per place. [2023-11-21 22:23:54,149 INFO L140 encePairwiseOnDemand]: 440/443 looper letters, 27 selfloop transitions, 2 changer transitions 0/336 dead transitions. [2023-11-21 22:23:54,149 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 336 transitions, 884 flow [2023-11-21 22:23:54,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:23:54,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:23:54,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1253 transitions. [2023-11-21 22:23:54,153 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9428141459744168 [2023-11-21 22:23:54,153 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1253 transitions. [2023-11-21 22:23:54,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1253 transitions. [2023-11-21 22:23:54,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:54,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1253 transitions. [2023-11-21 22:23:54,156 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 417.6666666666667) internal successors, (1253), 3 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:54,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:54,159 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 443.0) internal successors, (1772), 4 states have internal predecessors, (1772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:54,160 INFO L175 Difference]: Start difference. First operand has 345 places, 334 transitions, 819 flow. Second operand 3 states and 1253 transitions. [2023-11-21 22:23:54,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 336 transitions, 884 flow [2023-11-21 22:23:54,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 336 transitions, 877 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:23:54,170 INFO L231 Difference]: Finished difference. Result has 342 places, 333 transitions, 814 flow [2023-11-21 22:23:54,171 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=814, PETRI_PLACES=342, PETRI_TRANSITIONS=333} [2023-11-21 22:23:54,172 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -70 predicate places. [2023-11-21 22:23:54,172 INFO L495 AbstractCegarLoop]: Abstraction has has 342 places, 333 transitions, 814 flow [2023-11-21 22:23:54,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.6666666666667) internal successors, (1244), 3 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:54,172 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:23:54,173 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:54,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-21 22:23:54,173 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-11-21 22:23:54,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:23:54,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1338079738, now seen corresponding path program 1 times [2023-11-21 22:23:54,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:23:54,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34028481] [2023-11-21 22:23:54,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:23:54,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:23:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:23:55,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:23:55,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:23:55,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34028481] [2023-11-21 22:23:55,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34028481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:23:55,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:23:55,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:23:55,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479240106] [2023-11-21 22:23:55,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:23:55,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:23:55,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:23:55,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:23:55,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:23:55,431 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 418 out of 443 [2023-11-21 22:23:55,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 333 transitions, 814 flow. Second operand has 6 states, 6 states have (on average 420.3333333333333) internal successors, (2522), 6 states have internal predecessors, (2522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:55,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:23:55,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 418 of 443 [2023-11-21 22:23:55,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:23:55,781 INFO L124 PetriNetUnfolderBase]: 88/1718 cut-off events. [2023-11-21 22:23:55,781 INFO L125 PetriNetUnfolderBase]: For 23/23 co-relation queries the response was YES. [2023-11-21 22:23:55,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 1718 events. 88/1718 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 13016 event pairs, 8 based on Foata normal form. 0/1644 useless extension candidates. Maximal degree in co-relation 2113. Up to 112 conditions per place. [2023-11-21 22:23:55,807 INFO L140 encePairwiseOnDemand]: 438/443 looper letters, 0 selfloop transitions, 0 changer transitions 332/332 dead transitions. [2023-11-21 22:23:55,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 332 transitions, 840 flow [2023-11-21 22:23:55,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:23:55,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:23:55,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2523 transitions. [2023-11-21 22:23:55,811 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9492099322799097 [2023-11-21 22:23:55,812 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2523 transitions. [2023-11-21 22:23:55,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2523 transitions. [2023-11-21 22:23:55,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:23:55,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2523 transitions. [2023-11-21 22:23:55,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 420.5) internal successors, (2523), 6 states have internal predecessors, (2523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:55,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:55,823 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 443.0) internal successors, (3101), 7 states have internal predecessors, (3101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:55,823 INFO L175 Difference]: Start difference. First operand has 342 places, 333 transitions, 814 flow. Second operand 6 states and 2523 transitions. [2023-11-21 22:23:55,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 332 transitions, 840 flow [2023-11-21 22:23:55,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 332 transitions, 836 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:23:55,831 INFO L231 Difference]: Finished difference. Result has 344 places, 0 transitions, 0 flow [2023-11-21 22:23:55,832 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=443, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=344, PETRI_TRANSITIONS=0} [2023-11-21 22:23:55,832 INFO L281 CegarLoopForPetriNet]: 412 programPoint places, -68 predicate places. [2023-11-21 22:23:55,833 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 0 transitions, 0 flow [2023-11-21 22:23:55,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 420.3333333333333) internal successors, (2522), 6 states have internal predecessors, (2522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:23:55,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (134 of 135 remaining) [2023-11-21 22:23:55,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (133 of 135 remaining) [2023-11-21 22:23:55,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (132 of 135 remaining) [2023-11-21 22:23:55,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (131 of 135 remaining) [2023-11-21 22:23:55,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (130 of 135 remaining) [2023-11-21 22:23:55,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (129 of 135 remaining) [2023-11-21 22:23:55,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (128 of 135 remaining) [2023-11-21 22:23:55,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (127 of 135 remaining) [2023-11-21 22:23:55,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (126 of 135 remaining) [2023-11-21 22:23:55,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (125 of 135 remaining) [2023-11-21 22:23:55,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (124 of 135 remaining) [2023-11-21 22:23:55,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (123 of 135 remaining) [2023-11-21 22:23:55,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (122 of 135 remaining) [2023-11-21 22:23:55,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (121 of 135 remaining) [2023-11-21 22:23:55,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (120 of 135 remaining) [2023-11-21 22:23:55,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (119 of 135 remaining) [2023-11-21 22:23:55,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (118 of 135 remaining) [2023-11-21 22:23:55,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (117 of 135 remaining) [2023-11-21 22:23:55,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (116 of 135 remaining) [2023-11-21 22:23:55,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (115 of 135 remaining) [2023-11-21 22:23:55,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (114 of 135 remaining) [2023-11-21 22:23:55,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (113 of 135 remaining) [2023-11-21 22:23:55,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (112 of 135 remaining) [2023-11-21 22:23:55,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (111 of 135 remaining) [2023-11-21 22:23:55,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (110 of 135 remaining) [2023-11-21 22:23:55,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (109 of 135 remaining) [2023-11-21 22:23:55,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (108 of 135 remaining) [2023-11-21 22:23:55,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (107 of 135 remaining) [2023-11-21 22:23:55,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (106 of 135 remaining) [2023-11-21 22:23:55,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (105 of 135 remaining) [2023-11-21 22:23:55,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (104 of 135 remaining) [2023-11-21 22:23:55,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (103 of 135 remaining) [2023-11-21 22:23:55,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (102 of 135 remaining) [2023-11-21 22:23:55,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (101 of 135 remaining) [2023-11-21 22:23:55,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (100 of 135 remaining) [2023-11-21 22:23:55,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (99 of 135 remaining) [2023-11-21 22:23:55,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (98 of 135 remaining) [2023-11-21 22:23:55,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (97 of 135 remaining) [2023-11-21 22:23:55,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (96 of 135 remaining) [2023-11-21 22:23:55,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (95 of 135 remaining) [2023-11-21 22:23:55,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (94 of 135 remaining) [2023-11-21 22:23:55,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (93 of 135 remaining) [2023-11-21 22:23:55,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (92 of 135 remaining) [2023-11-21 22:23:55,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (91 of 135 remaining) [2023-11-21 22:23:55,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (90 of 135 remaining) [2023-11-21 22:23:55,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (89 of 135 remaining) [2023-11-21 22:23:55,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (88 of 135 remaining) [2023-11-21 22:23:55,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (87 of 135 remaining) [2023-11-21 22:23:55,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (86 of 135 remaining) [2023-11-21 22:23:55,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (85 of 135 remaining) [2023-11-21 22:23:55,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (84 of 135 remaining) [2023-11-21 22:23:55,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (83 of 135 remaining) [2023-11-21 22:23:55,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (82 of 135 remaining) [2023-11-21 22:23:55,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (81 of 135 remaining) [2023-11-21 22:23:55,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (80 of 135 remaining) [2023-11-21 22:23:55,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (79 of 135 remaining) [2023-11-21 22:23:55,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (78 of 135 remaining) [2023-11-21 22:23:55,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (77 of 135 remaining) [2023-11-21 22:23:55,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (76 of 135 remaining) [2023-11-21 22:23:55,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (75 of 135 remaining) [2023-11-21 22:23:55,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (74 of 135 remaining) [2023-11-21 22:23:55,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 135 remaining) [2023-11-21 22:23:55,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (72 of 135 remaining) [2023-11-21 22:23:55,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (71 of 135 remaining) [2023-11-21 22:23:55,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (70 of 135 remaining) [2023-11-21 22:23:55,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (69 of 135 remaining) [2023-11-21 22:23:55,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (68 of 135 remaining) [2023-11-21 22:23:55,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (67 of 135 remaining) [2023-11-21 22:23:55,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (66 of 135 remaining) [2023-11-21 22:23:55,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (65 of 135 remaining) [2023-11-21 22:23:55,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (64 of 135 remaining) [2023-11-21 22:23:55,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (63 of 135 remaining) [2023-11-21 22:23:55,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (62 of 135 remaining) [2023-11-21 22:23:55,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (61 of 135 remaining) [2023-11-21 22:23:55,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (60 of 135 remaining) [2023-11-21 22:23:55,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (59 of 135 remaining) [2023-11-21 22:23:55,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (58 of 135 remaining) [2023-11-21 22:23:55,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (57 of 135 remaining) [2023-11-21 22:23:55,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (56 of 135 remaining) [2023-11-21 22:23:55,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 135 remaining) [2023-11-21 22:23:55,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 135 remaining) [2023-11-21 22:23:55,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 135 remaining) [2023-11-21 22:23:55,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 135 remaining) [2023-11-21 22:23:55,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 135 remaining) [2023-11-21 22:23:55,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 135 remaining) [2023-11-21 22:23:55,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 135 remaining) [2023-11-21 22:23:55,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 135 remaining) [2023-11-21 22:23:55,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 135 remaining) [2023-11-21 22:23:55,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (46 of 135 remaining) [2023-11-21 22:23:55,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (45 of 135 remaining) [2023-11-21 22:23:55,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (44 of 135 remaining) [2023-11-21 22:23:55,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (43 of 135 remaining) [2023-11-21 22:23:55,854 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (42 of 135 remaining) [2023-11-21 22:23:55,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 135 remaining) [2023-11-21 22:23:55,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (40 of 135 remaining) [2023-11-21 22:23:55,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (39 of 135 remaining) [2023-11-21 22:23:55,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 135 remaining) [2023-11-21 22:23:55,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 135 remaining) [2023-11-21 22:23:55,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 135 remaining) [2023-11-21 22:23:55,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 135 remaining) [2023-11-21 22:23:55,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (34 of 135 remaining) [2023-11-21 22:23:55,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (33 of 135 remaining) [2023-11-21 22:23:55,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (32 of 135 remaining) [2023-11-21 22:23:55,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (31 of 135 remaining) [2023-11-21 22:23:55,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (30 of 135 remaining) [2023-11-21 22:23:55,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (29 of 135 remaining) [2023-11-21 22:23:55,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (28 of 135 remaining) [2023-11-21 22:23:55,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 135 remaining) [2023-11-21 22:23:55,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 135 remaining) [2023-11-21 22:23:55,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 135 remaining) [2023-11-21 22:23:55,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (24 of 135 remaining) [2023-11-21 22:23:55,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (23 of 135 remaining) [2023-11-21 22:23:55,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (22 of 135 remaining) [2023-11-21 22:23:55,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (21 of 135 remaining) [2023-11-21 22:23:55,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (20 of 135 remaining) [2023-11-21 22:23:55,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (19 of 135 remaining) [2023-11-21 22:23:55,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (18 of 135 remaining) [2023-11-21 22:23:55,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (17 of 135 remaining) [2023-11-21 22:23:55,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (16 of 135 remaining) [2023-11-21 22:23:55,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (15 of 135 remaining) [2023-11-21 22:23:55,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (14 of 135 remaining) [2023-11-21 22:23:55,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (13 of 135 remaining) [2023-11-21 22:23:55,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (12 of 135 remaining) [2023-11-21 22:23:55,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (11 of 135 remaining) [2023-11-21 22:23:55,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (10 of 135 remaining) [2023-11-21 22:23:55,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (9 of 135 remaining) [2023-11-21 22:23:55,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (8 of 135 remaining) [2023-11-21 22:23:55,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (7 of 135 remaining) [2023-11-21 22:23:55,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (6 of 135 remaining) [2023-11-21 22:23:55,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (5 of 135 remaining) [2023-11-21 22:23:55,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (4 of 135 remaining) [2023-11-21 22:23:55,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (3 of 135 remaining) [2023-11-21 22:23:55,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (2 of 135 remaining) [2023-11-21 22:23:55,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (1 of 135 remaining) [2023-11-21 22:23:55,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (0 of 135 remaining) [2023-11-21 22:23:55,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-21 22:23:55,862 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:23:55,870 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 22:23:55,870 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:23:55,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:23:55 BasicIcfg [2023-11-21 22:23:55,877 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:23:55,878 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:23:55,878 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:23:55,878 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:23:55,879 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:23:23" (3/4) ... [2023-11-21 22:23:55,881 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:23:55,885 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-21 22:23:55,885 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-21 22:23:55,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-21 22:23:55,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-21 22:23:55,894 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-21 22:23:55,895 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:23:55,895 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:23:55,896 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:23:55,993 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:23:55,994 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:23:55,994 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:23:55,995 INFO L158 Benchmark]: Toolchain (without parser) took 33953.75ms. Allocated memory was 155.2MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 108.4MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 485.1MB. Max. memory is 16.1GB. [2023-11-21 22:23:55,995 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 155.2MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:55,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.21ms. Allocated memory is still 155.2MB. Free memory was 107.9MB in the beginning and 95.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:23:55,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.08ms. Allocated memory is still 155.2MB. Free memory was 95.3MB in the beginning and 92.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:23:55,996 INFO L158 Benchmark]: Boogie Preprocessor took 54.72ms. Allocated memory is still 155.2MB. Free memory was 92.9MB in the beginning and 90.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:23:55,997 INFO L158 Benchmark]: RCFGBuilder took 1169.22ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 90.8MB in the beginning and 170.5MB in the end (delta: -79.7MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2023-11-21 22:23:55,997 INFO L158 Benchmark]: TraceAbstraction took 32146.89ms. Allocated memory was 207.6MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 170.5MB in the beginning and 1.1GB in the end (delta: -946.8MB). Peak memory consumption was 486.6MB. Max. memory is 16.1GB. [2023-11-21 22:23:55,997 INFO L158 Benchmark]: Witness Printer took 116.15ms. Allocated memory is still 1.6GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:23:55,999 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 155.2MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.21ms. Allocated memory is still 155.2MB. Free memory was 107.9MB in the beginning and 95.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.08ms. Allocated memory is still 155.2MB. Free memory was 95.3MB in the beginning and 92.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.72ms. Allocated memory is still 155.2MB. Free memory was 92.9MB in the beginning and 90.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1169.22ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 90.8MB in the beginning and 170.5MB in the end (delta: -79.7MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * TraceAbstraction took 32146.89ms. Allocated memory was 207.6MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 170.5MB in the beginning and 1.1GB in the end (delta: -946.8MB). Peak memory consumption was 486.6MB. Max. memory is 16.1GB. * Witness Printer took 116.15ms. Allocated memory is still 1.6GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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 9 procedures, 670 locations, 135 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: 31.8s, OverallIterations: 31, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 26.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2899 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1017 mSDsluCounter, 575 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 395 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3386 IncrementalHoareTripleChecker+Invalid, 3781 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 395 mSolverCounterUnsat, 565 mSDtfsCounter, 3386 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=848occurred in iteration=9, InterpolantAutomatonStates: 107, 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, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 2847 NumberOfCodeBlocks, 2847 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2816 ConstructedInterpolants, 0 QuantifiedInterpolants, 3194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 31 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 75 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 22:23:56,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388899ff-5478-4726-b99e-0a9d2365f2a9/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE