./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-cond-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-cond-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme --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 9fb4c28a8a216c266c6ae14d377c8e26c68bb16bf7c2fe2809f039d12d6c4b55 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:51:37,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:51:37,174 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:51:37,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:51:37,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:51:37,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:51:37,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:51:37,242 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:51:37,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:51:37,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:51:37,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:51:37,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:51:37,246 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:51:37,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:51:37,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:51:37,262 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:51:37,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:51:37,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:51:37,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:51:37,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:51:37,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:51:37,281 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:51:37,281 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:51:37,282 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:51:37,282 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:51:37,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:51:37,283 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:51:37,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:51:37,284 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:51:37,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:51:37,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:51:37,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:51:37,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:51:37,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:51:37,288 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:51:37,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:51:37,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:51:37,289 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:51:37,289 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:51:37,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:51:37,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:51:37,294 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_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fb4c28a8a216c266c6ae14d377c8e26c68bb16bf7c2fe2809f039d12d6c4b55 [2023-11-26 11:51:37,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:51:37,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:51:37,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:51:37,699 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:51:37,700 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:51:37,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/unroll-cond-3.wvr.c [2023-11-26 11:51:41,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:51:41,458 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:51:41,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/sv-benchmarks/c/weaver/unroll-cond-3.wvr.c [2023-11-26 11:51:41,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/data/4560d9e3d/5bf079ff0ff842ab961724e0185275e8/FLAG221ba0ef4 [2023-11-26 11:51:41,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/data/4560d9e3d/5bf079ff0ff842ab961724e0185275e8 [2023-11-26 11:51:41,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:51:41,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:51:41,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:51:41,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:51:41,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:51:41,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:41" (1/1) ... [2023-11-26 11:51:41,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61fa3876 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:41, skipping insertion in model container [2023-11-26 11:51:41,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:41" (1/1) ... [2023-11-26 11:51:41,542 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:51:41,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:51:41,815 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:51:41,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:51:41,886 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:51:41,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:41 WrapperNode [2023-11-26 11:51:41,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:51:41,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:51:41,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:51:41,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:51:41,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:41" (1/1) ... [2023-11-26 11:51:41,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:41" (1/1) ... [2023-11-26 11:51:41,974 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 352 [2023-11-26 11:51:41,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:51:41,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:51:41,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:51:41,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:51:41,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:41" (1/1) ... [2023-11-26 11:51:41,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:41" (1/1) ... [2023-11-26 11:51:41,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:41" (1/1) ... [2023-11-26 11:51:41,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:41" (1/1) ... [2023-11-26 11:51:42,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:41" (1/1) ... [2023-11-26 11:51:42,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:41" (1/1) ... [2023-11-26 11:51:42,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:41" (1/1) ... [2023-11-26 11:51:42,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:41" (1/1) ... [2023-11-26 11:51:42,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:51:42,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:51:42,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:51:42,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:51:42,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:41" (1/1) ... [2023-11-26 11:51:42,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:51:42,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:51:42,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:51:42,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:51:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:51:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 11:51:42,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 11:51:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 11:51:42,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 11:51:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:51:42,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:51:42,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:51:42,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:51:42,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:51:42,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:51:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:51:42,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:51:42,149 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:51:42,302 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:51:42,306 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:51:43,010 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:51:43,030 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:51:43,030 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-26 11:51:43,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:43 BoogieIcfgContainer [2023-11-26 11:51:43,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:51:43,035 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:51:43,035 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:51:43,039 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:51:43,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:51:41" (1/3) ... [2023-11-26 11:51:43,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f2b6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:43, skipping insertion in model container [2023-11-26 11:51:43,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:41" (2/3) ... [2023-11-26 11:51:43,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f2b6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:43, skipping insertion in model container [2023-11-26 11:51:43,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:43" (3/3) ... [2023-11-26 11:51:43,043 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.c [2023-11-26 11:51:43,053 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:51:43,064 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:51:43,065 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2023-11-26 11:51:43,065 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:51:43,226 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-26 11:51:43,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 441 places, 458 transitions, 930 flow [2023-11-26 11:51:43,615 INFO L124 PetriNetUnfolderBase]: 24/456 cut-off events. [2023-11-26 11:51:43,615 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-26 11:51:43,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465 conditions, 456 events. 24/456 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1151 event pairs, 0 based on Foata normal form. 0/376 useless extension candidates. Maximal degree in co-relation 319. Up to 2 conditions per place. [2023-11-26 11:51:43,637 INFO L82 GeneralOperation]: Start removeDead. Operand has 441 places, 458 transitions, 930 flow [2023-11-26 11:51:43,656 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 419 places, 435 transitions, 882 flow [2023-11-26 11:51:43,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:51:43,694 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;@537dafe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:51:43,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 104 error locations. [2023-11-26 11:51:43,703 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:51:43,704 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2023-11-26 11:51:43,704 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:51:43,704 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:43,705 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:43,707 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:43,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:43,717 INFO L85 PathProgramCache]: Analyzing trace with hash 2010684408, now seen corresponding path program 1 times [2023-11-26 11:51:43,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:43,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483449184] [2023-11-26 11:51:43,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:43,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:44,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:44,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:44,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483449184] [2023-11-26 11:51:44,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483449184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:44,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:44,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:51:44,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208031703] [2023-11-26 11:51:44,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:44,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:51:44,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:44,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:51:44,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:51:44,163 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 458 [2023-11-26 11:51:44,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 435 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:44,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:44,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 458 [2023-11-26 11:51:44,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:44,409 INFO L124 PetriNetUnfolderBase]: 26/664 cut-off events. [2023-11-26 11:51:44,409 INFO L125 PetriNetUnfolderBase]: For 22/26 co-relation queries the response was YES. [2023-11-26 11:51:44,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 710 conditions, 664 events. 26/664 cut-off events. For 22/26 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3013 event pairs, 7 based on Foata normal form. 17/559 useless extension candidates. Maximal degree in co-relation 540. Up to 30 conditions per place. [2023-11-26 11:51:44,425 INFO L140 encePairwiseOnDemand]: 443/458 looper letters, 11 selfloop transitions, 2 changer transitions 3/422 dead transitions. [2023-11-26 11:51:44,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 420 places, 422 transitions, 882 flow [2023-11-26 11:51:44,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:51:44,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:51:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1313 transitions. [2023-11-26 11:51:44,460 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9556040756914119 [2023-11-26 11:51:44,461 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1313 transitions. [2023-11-26 11:51:44,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1313 transitions. [2023-11-26 11:51:44,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:44,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1313 transitions. [2023-11-26 11:51:44,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 437.6666666666667) internal successors, (1313), 3 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:44,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:44,500 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:44,504 INFO L175 Difference]: Start difference. First operand has 419 places, 435 transitions, 882 flow. Second operand 3 states and 1313 transitions. [2023-11-26 11:51:44,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 420 places, 422 transitions, 882 flow [2023-11-26 11:51:44,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 416 places, 422 transitions, 874 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:51:44,536 INFO L231 Difference]: Finished difference. Result has 416 places, 419 transitions, 846 flow [2023-11-26 11:51:44,540 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=848, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=420, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=846, PETRI_PLACES=416, PETRI_TRANSITIONS=419} [2023-11-26 11:51:44,546 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -3 predicate places. [2023-11-26 11:51:44,547 INFO L495 AbstractCegarLoop]: Abstraction has has 416 places, 419 transitions, 846 flow [2023-11-26 11:51:44,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:44,549 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:44,550 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:44,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:51:44,550 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:44,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:44,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1312245344, now seen corresponding path program 1 times [2023-11-26 11:51:44,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:44,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357124296] [2023-11-26 11:51:44,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:44,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:44,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:44,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357124296] [2023-11-26 11:51:44,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357124296] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:44,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:44,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:51:44,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531135734] [2023-11-26 11:51:44,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:44,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:51:44,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:44,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:51:44,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:51:44,827 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 458 [2023-11-26 11:51:44,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 419 transitions, 846 flow. Second operand has 3 states, 3 states have (on average 426.3333333333333) internal successors, (1279), 3 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:44,831 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:44,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 458 [2023-11-26 11:51:44,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:45,055 INFO L124 PetriNetUnfolderBase]: 30/723 cut-off events. [2023-11-26 11:51:45,056 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-26 11:51:45,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 770 conditions, 723 events. 30/723 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3146 event pairs, 11 based on Foata normal form. 0/592 useless extension candidates. Maximal degree in co-relation 742. Up to 38 conditions per place. [2023-11-26 11:51:45,070 INFO L140 encePairwiseOnDemand]: 455/458 looper letters, 15 selfloop transitions, 2 changer transitions 0/418 dead transitions. [2023-11-26 11:51:45,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 418 transitions, 878 flow [2023-11-26 11:51:45,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:51:45,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:51:45,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1293 transitions. [2023-11-26 11:51:45,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9410480349344978 [2023-11-26 11:51:45,078 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1293 transitions. [2023-11-26 11:51:45,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1293 transitions. [2023-11-26 11:51:45,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:45,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1293 transitions. [2023-11-26 11:51:45,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 431.0) internal successors, (1293), 3 states have internal predecessors, (1293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:45,090 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:45,093 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:45,094 INFO L175 Difference]: Start difference. First operand has 416 places, 419 transitions, 846 flow. Second operand 3 states and 1293 transitions. [2023-11-26 11:51:45,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 414 places, 418 transitions, 878 flow [2023-11-26 11:51:45,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 412 places, 418 transitions, 874 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:51:45,108 INFO L231 Difference]: Finished difference. Result has 412 places, 418 transitions, 844 flow [2023-11-26 11:51:45,109 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=840, PETRI_DIFFERENCE_MINUEND_PLACES=410, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=844, PETRI_PLACES=412, PETRI_TRANSITIONS=418} [2023-11-26 11:51:45,110 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -7 predicate places. [2023-11-26 11:51:45,111 INFO L495 AbstractCegarLoop]: Abstraction has has 412 places, 418 transitions, 844 flow [2023-11-26 11:51:45,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 426.3333333333333) internal successors, (1279), 3 states have internal predecessors, (1279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:45,113 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:45,114 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:45,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:51:45,119 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:45,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:45,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1006576395, now seen corresponding path program 1 times [2023-11-26 11:51:45,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:45,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351037084] [2023-11-26 11:51:45,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:45,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:45,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:45,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:45,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351037084] [2023-11-26 11:51:45,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351037084] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:45,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:45,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:51:45,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194440983] [2023-11-26 11:51:45,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:45,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:51:45,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:45,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:51:45,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:51:45,304 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 458 [2023-11-26 11:51:45,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 418 transitions, 844 flow. Second operand has 3 states, 3 states have (on average 416.0) internal successors, (1248), 3 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:45,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:45,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 458 [2023-11-26 11:51:45,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:45,751 INFO L124 PetriNetUnfolderBase]: 104/1512 cut-off events. [2023-11-26 11:51:45,752 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2023-11-26 11:51:45,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1639 conditions, 1512 events. 104/1512 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8984 event pairs, 32 based on Foata normal form. 0/1227 useless extension candidates. Maximal degree in co-relation 1603. Up to 117 conditions per place. [2023-11-26 11:51:45,781 INFO L140 encePairwiseOnDemand]: 449/458 looper letters, 20 selfloop transitions, 1 changer transitions 0/410 dead transitions. [2023-11-26 11:51:45,781 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 410 transitions, 870 flow [2023-11-26 11:51:45,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:51:45,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:51:45,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1274 transitions. [2023-11-26 11:51:45,786 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9272197962154294 [2023-11-26 11:51:45,787 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1274 transitions. [2023-11-26 11:51:45,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1274 transitions. [2023-11-26 11:51:45,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:45,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1274 transitions. [2023-11-26 11:51:45,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.6666666666667) internal successors, (1274), 3 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:45,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:45,799 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:45,800 INFO L175 Difference]: Start difference. First operand has 412 places, 418 transitions, 844 flow. Second operand 3 states and 1274 transitions. [2023-11-26 11:51:45,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 410 transitions, 870 flow [2023-11-26 11:51:45,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 410 transitions, 866 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:51:45,811 INFO L231 Difference]: Finished difference. Result has 404 places, 410 transitions, 826 flow [2023-11-26 11:51:45,812 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=404, PETRI_TRANSITIONS=410} [2023-11-26 11:51:45,813 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -15 predicate places. [2023-11-26 11:51:45,813 INFO L495 AbstractCegarLoop]: Abstraction has has 404 places, 410 transitions, 826 flow [2023-11-26 11:51:45,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 416.0) internal successors, (1248), 3 states have internal predecessors, (1248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:45,815 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:45,815 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:45,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:51:45,815 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:45,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:45,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1776762402, now seen corresponding path program 1 times [2023-11-26 11:51:45,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:45,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807500781] [2023-11-26 11:51:45,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:45,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:45,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:45,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:45,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807500781] [2023-11-26 11:51:45,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807500781] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:45,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:45,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:51:45,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940947840] [2023-11-26 11:51:45,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:45,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:51:45,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:45,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:51:45,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:51:45,962 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 458 [2023-11-26 11:51:45,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 410 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:45,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:45,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 458 [2023-11-26 11:51:45,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:46,153 INFO L124 PetriNetUnfolderBase]: 30/709 cut-off events. [2023-11-26 11:51:46,153 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-26 11:51:46,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 709 events. 30/709 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3003 event pairs, 11 based on Foata normal form. 0/590 useless extension candidates. Maximal degree in co-relation 717. Up to 36 conditions per place. [2023-11-26 11:51:46,167 INFO L140 encePairwiseOnDemand]: 455/458 looper letters, 13 selfloop transitions, 2 changer transitions 0/409 dead transitions. [2023-11-26 11:51:46,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 409 transitions, 854 flow [2023-11-26 11:51:46,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:51:46,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:51:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1297 transitions. [2023-11-26 11:51:46,173 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9439592430858806 [2023-11-26 11:51:46,173 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1297 transitions. [2023-11-26 11:51:46,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1297 transitions. [2023-11-26 11:51:46,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:46,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1297 transitions. [2023-11-26 11:51:46,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 432.3333333333333) internal successors, (1297), 3 states have internal predecessors, (1297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:46,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:46,188 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:46,189 INFO L175 Difference]: Start difference. First operand has 404 places, 410 transitions, 826 flow. Second operand 3 states and 1297 transitions. [2023-11-26 11:51:46,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 409 transitions, 854 flow [2023-11-26 11:51:46,231 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 404 places, 409 transitions, 853 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:51:46,240 INFO L231 Difference]: Finished difference. Result has 404 places, 409 transitions, 827 flow [2023-11-26 11:51:46,241 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=823, PETRI_DIFFERENCE_MINUEND_PLACES=402, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=407, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=827, PETRI_PLACES=404, PETRI_TRANSITIONS=409} [2023-11-26 11:51:46,246 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -15 predicate places. [2023-11-26 11:51:46,246 INFO L495 AbstractCegarLoop]: Abstraction has has 404 places, 409 transitions, 827 flow [2023-11-26 11:51:46,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:46,248 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:46,248 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:46,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:51:46,249 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:46,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:46,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1842436344, now seen corresponding path program 1 times [2023-11-26 11:51:46,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:46,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211051619] [2023-11-26 11:51:46,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:46,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:47,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:47,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211051619] [2023-11-26 11:51:47,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211051619] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:47,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:47,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:51:47,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315265980] [2023-11-26 11:51:47,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:47,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:51:47,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:47,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:51:47,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:51:47,400 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 394 out of 458 [2023-11-26 11:51:47,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 409 transitions, 827 flow. Second operand has 6 states, 6 states have (on average 395.5) internal successors, (2373), 6 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:47,405 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:47,405 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 394 of 458 [2023-11-26 11:51:47,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:49,815 INFO L124 PetriNetUnfolderBase]: 1366/9238 cut-off events. [2023-11-26 11:51:49,816 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2023-11-26 11:51:49,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11030 conditions, 9238 events. 1366/9238 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 95535 event pairs, 920 based on Foata normal form. 0/7487 useless extension candidates. Maximal degree in co-relation 10995. Up to 1776 conditions per place. [2023-11-26 11:51:49,974 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 44 selfloop transitions, 5 changer transitions 0/408 dead transitions. [2023-11-26 11:51:49,974 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 408 transitions, 923 flow [2023-11-26 11:51:49,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:51:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:51:49,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2414 transitions. [2023-11-26 11:51:49,988 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8784570596797671 [2023-11-26 11:51:49,988 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2414 transitions. [2023-11-26 11:51:49,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2414 transitions. [2023-11-26 11:51:49,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:49,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2414 transitions. [2023-11-26 11:51:50,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 402.3333333333333) internal successors, (2414), 6 states have internal predecessors, (2414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:50,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:50,019 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:50,019 INFO L175 Difference]: Start difference. First operand has 404 places, 409 transitions, 827 flow. Second operand 6 states and 2414 transitions. [2023-11-26 11:51:50,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 408 transitions, 923 flow [2023-11-26 11:51:50,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 408 transitions, 919 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:51:50,033 INFO L231 Difference]: Finished difference. Result has 406 places, 408 transitions, 831 flow [2023-11-26 11:51:50,034 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=821, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=831, PETRI_PLACES=406, PETRI_TRANSITIONS=408} [2023-11-26 11:51:50,041 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -13 predicate places. [2023-11-26 11:51:50,041 INFO L495 AbstractCegarLoop]: Abstraction has has 406 places, 408 transitions, 831 flow [2023-11-26 11:51:50,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 395.5) internal successors, (2373), 6 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:50,044 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:50,045 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] [2023-11-26 11:51:50,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:51:50,045 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:50,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:50,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1972787367, now seen corresponding path program 1 times [2023-11-26 11:51:50,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:50,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986320952] [2023-11-26 11:51:50,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:50,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:50,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:50,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:50,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986320952] [2023-11-26 11:51:50,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986320952] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:50,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:50,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:51:50,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927815857] [2023-11-26 11:51:50,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:50,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:51:50,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:50,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:51:50,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:51:50,158 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 458 [2023-11-26 11:51:50,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 408 transitions, 831 flow. Second operand has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:50,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:50,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 458 [2023-11-26 11:51:50,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:50,460 INFO L124 PetriNetUnfolderBase]: 64/1227 cut-off events. [2023-11-26 11:51:50,460 INFO L125 PetriNetUnfolderBase]: For 8/18 co-relation queries the response was YES. [2023-11-26 11:51:50,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1305 conditions, 1227 events. 64/1227 cut-off events. For 8/18 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 7083 event pairs, 12 based on Foata normal form. 1/1017 useless extension candidates. Maximal degree in co-relation 1287. Up to 62 conditions per place. [2023-11-26 11:51:50,473 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 14 selfloop transitions, 2 changer transitions 0/407 dead transitions. [2023-11-26 11:51:50,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 407 transitions, 862 flow [2023-11-26 11:51:50,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:51:50,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:51:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1301 transitions. [2023-11-26 11:51:50,479 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9468704512372634 [2023-11-26 11:51:50,480 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1301 transitions. [2023-11-26 11:51:50,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1301 transitions. [2023-11-26 11:51:50,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:50,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1301 transitions. [2023-11-26 11:51:50,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 433.6666666666667) internal successors, (1301), 3 states have internal predecessors, (1301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:50,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:50,496 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:50,496 INFO L175 Difference]: Start difference. First operand has 406 places, 408 transitions, 831 flow. Second operand 3 states and 1301 transitions. [2023-11-26 11:51:50,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 407 transitions, 862 flow [2023-11-26 11:51:50,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 407 transitions, 852 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:51:50,511 INFO L231 Difference]: Finished difference. Result has 400 places, 406 transitions, 827 flow [2023-11-26 11:51:50,513 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=813, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=827, PETRI_PLACES=400, PETRI_TRANSITIONS=406} [2023-11-26 11:51:50,518 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -19 predicate places. [2023-11-26 11:51:50,518 INFO L495 AbstractCegarLoop]: Abstraction has has 400 places, 406 transitions, 827 flow [2023-11-26 11:51:50,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.3333333333333) internal successors, (1285), 3 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:50,520 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:50,520 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] [2023-11-26 11:51:50,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:51:50,521 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:50,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:50,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1025073862, now seen corresponding path program 1 times [2023-11-26 11:51:50,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:50,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522534526] [2023-11-26 11:51:50,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:50,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:50,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:50,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:50,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522534526] [2023-11-26 11:51:50,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522534526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:50,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:50,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:51:50,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117794683] [2023-11-26 11:51:50,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:50,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:51:50,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:50,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:51:50,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:51:50,634 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 427 out of 458 [2023-11-26 11:51:50,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 406 transitions, 827 flow. Second operand has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:50,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:50,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 427 of 458 [2023-11-26 11:51:50,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:50,803 INFO L124 PetriNetUnfolderBase]: 37/914 cut-off events. [2023-11-26 11:51:50,803 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2023-11-26 11:51:50,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 965 conditions, 914 events. 37/914 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 4104 event pairs, 1 based on Foata normal form. 1/772 useless extension candidates. Maximal degree in co-relation 930. Up to 20 conditions per place. [2023-11-26 11:51:50,815 INFO L140 encePairwiseOnDemand]: 451/458 looper letters, 11 selfloop transitions, 3 changer transitions 0/403 dead transitions. [2023-11-26 11:51:50,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 403 transitions, 850 flow [2023-11-26 11:51:50,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:51:50,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:51:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1299 transitions. [2023-11-26 11:51:50,820 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9454148471615721 [2023-11-26 11:51:50,820 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1299 transitions. [2023-11-26 11:51:50,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1299 transitions. [2023-11-26 11:51:50,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:50,822 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1299 transitions. [2023-11-26 11:51:50,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:50,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:50,832 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:50,832 INFO L175 Difference]: Start difference. First operand has 400 places, 406 transitions, 827 flow. Second operand 3 states and 1299 transitions. [2023-11-26 11:51:50,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 403 transitions, 850 flow [2023-11-26 11:51:50,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 403 transitions, 850 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:51:50,843 INFO L231 Difference]: Finished difference. Result has 398 places, 402 transitions, 825 flow [2023-11-26 11:51:50,844 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=819, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=825, PETRI_PLACES=398, PETRI_TRANSITIONS=402} [2023-11-26 11:51:50,845 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -21 predicate places. [2023-11-26 11:51:50,845 INFO L495 AbstractCegarLoop]: Abstraction has has 398 places, 402 transitions, 825 flow [2023-11-26 11:51:50,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 428.0) internal successors, (1284), 3 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:50,847 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:50,847 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] [2023-11-26 11:51:50,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:51:50,848 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:50,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:50,848 INFO L85 PathProgramCache]: Analyzing trace with hash 778922378, now seen corresponding path program 1 times [2023-11-26 11:51:50,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:50,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046482876] [2023-11-26 11:51:50,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:50,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:50,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:50,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:50,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046482876] [2023-11-26 11:51:50,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046482876] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:50,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:50,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:51:50,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118475877] [2023-11-26 11:51:50,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:50,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:51:50,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:50,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:51:50,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:51:50,995 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 387 out of 458 [2023-11-26 11:51:50,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 402 transitions, 825 flow. Second operand has 3 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:50,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:50,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 387 of 458 [2023-11-26 11:51:50,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:51,215 INFO L124 PetriNetUnfolderBase]: 65/858 cut-off events. [2023-11-26 11:51:51,216 INFO L125 PetriNetUnfolderBase]: For 38/42 co-relation queries the response was YES. [2023-11-26 11:51:51,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1028 conditions, 858 events. 65/858 cut-off events. For 38/42 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4440 event pairs, 5 based on Foata normal form. 3/767 useless extension candidates. Maximal degree in co-relation 992. Up to 124 conditions per place. [2023-11-26 11:51:51,227 INFO L140 encePairwiseOnDemand]: 431/458 looper letters, 29 selfloop transitions, 10 changer transitions 5/387 dead transitions. [2023-11-26 11:51:51,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 387 transitions, 878 flow [2023-11-26 11:51:51,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:51:51,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:51:51,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1218 transitions. [2023-11-26 11:51:51,234 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8864628820960698 [2023-11-26 11:51:51,234 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1218 transitions. [2023-11-26 11:51:51,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1218 transitions. [2023-11-26 11:51:51,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:51,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1218 transitions. [2023-11-26 11:51:51,242 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) [2023-11-26 11:51:51,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:51,249 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:51,250 INFO L175 Difference]: Start difference. First operand has 398 places, 402 transitions, 825 flow. Second operand 3 states and 1218 transitions. [2023-11-26 11:51:51,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 387 transitions, 878 flow [2023-11-26 11:51:51,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 387 transitions, 872 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:51:51,264 INFO L231 Difference]: Finished difference. Result has 382 places, 381 transitions, 796 flow [2023-11-26 11:51:51,265 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=787, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=796, PETRI_PLACES=382, PETRI_TRANSITIONS=381} [2023-11-26 11:51:51,266 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -37 predicate places. [2023-11-26 11:51:51,267 INFO L495 AbstractCegarLoop]: Abstraction has has 382 places, 381 transitions, 796 flow [2023-11-26 11:51:51,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:51,268 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:51,269 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] [2023-11-26 11:51:51,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:51:51,269 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:51,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:51,270 INFO L85 PathProgramCache]: Analyzing trace with hash 44463429, now seen corresponding path program 1 times [2023-11-26 11:51:51,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:51,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276171766] [2023-11-26 11:51:51,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:51,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:51,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:51,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276171766] [2023-11-26 11:51:51,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276171766] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:51,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:51,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:51:51,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287241773] [2023-11-26 11:51:51,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:51,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:51:51,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:51,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:51:51,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:51:52,558 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 458 [2023-11-26 11:51:52,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 381 transitions, 796 flow. Second operand has 6 states, 6 states have (on average 427.5) internal successors, (2565), 6 states have internal predecessors, (2565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:52,562 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:52,562 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 458 [2023-11-26 11:51:52,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:52,725 INFO L124 PetriNetUnfolderBase]: 21/597 cut-off events. [2023-11-26 11:51:52,725 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:51:52,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 648 conditions, 597 events. 21/597 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2055 event pairs, 0 based on Foata normal form. 0/532 useless extension candidates. Maximal degree in co-relation 610. Up to 11 conditions per place. [2023-11-26 11:51:52,736 INFO L140 encePairwiseOnDemand]: 453/458 looper letters, 10 selfloop transitions, 4 changer transitions 0/380 dead transitions. [2023-11-26 11:51:52,736 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 380 transitions, 822 flow [2023-11-26 11:51:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:51:52,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:51:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2571 transitions. [2023-11-26 11:51:52,765 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9355895196506551 [2023-11-26 11:51:52,765 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2571 transitions. [2023-11-26 11:51:52,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2571 transitions. [2023-11-26 11:51:52,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:52,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2571 transitions. [2023-11-26 11:51:52,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 428.5) internal successors, (2571), 6 states have internal predecessors, (2571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:52,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:52,786 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:52,786 INFO L175 Difference]: Start difference. First operand has 382 places, 381 transitions, 796 flow. Second operand 6 states and 2571 transitions. [2023-11-26 11:51:52,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 380 transitions, 822 flow [2023-11-26 11:51:52,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 380 transitions, 802 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:51:52,798 INFO L231 Difference]: Finished difference. Result has 379 places, 380 transitions, 782 flow [2023-11-26 11:51:52,799 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=782, PETRI_PLACES=379, PETRI_TRANSITIONS=380} [2023-11-26 11:51:52,800 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -40 predicate places. [2023-11-26 11:51:52,801 INFO L495 AbstractCegarLoop]: Abstraction has has 379 places, 380 transitions, 782 flow [2023-11-26 11:51:52,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 427.5) internal successors, (2565), 6 states have internal predecessors, (2565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:52,802 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:52,802 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:52,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:51:52,803 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:52,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:52,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1355980186, now seen corresponding path program 1 times [2023-11-26 11:51:52,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:52,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155247368] [2023-11-26 11:51:52,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:52,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:52,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:52,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:52,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155247368] [2023-11-26 11:51:52,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155247368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:52,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:52,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:51:52,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339578582] [2023-11-26 11:51:52,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:52,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:51:52,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:52,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:51:52,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:51:52,909 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 458 [2023-11-26 11:51:52,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 380 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 422.3333333333333) internal successors, (1267), 3 states have internal predecessors, (1267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:52,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:52,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 458 [2023-11-26 11:51:52,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:53,234 INFO L124 PetriNetUnfolderBase]: 104/1538 cut-off events. [2023-11-26 11:51:53,235 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-26 11:51:53,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1681 conditions, 1538 events. 104/1538 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 9225 event pairs, 11 based on Foata normal form. 0/1373 useless extension candidates. Maximal degree in co-relation 1645. Up to 106 conditions per place. [2023-11-26 11:51:53,256 INFO L140 encePairwiseOnDemand]: 448/458 looper letters, 18 selfloop transitions, 4 changer transitions 0/380 dead transitions. [2023-11-26 11:51:53,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 380 transitions, 828 flow [2023-11-26 11:51:53,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:51:53,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:51:53,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1291 transitions. [2023-11-26 11:51:53,264 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9395924308588064 [2023-11-26 11:51:53,264 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1291 transitions. [2023-11-26 11:51:53,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1291 transitions. [2023-11-26 11:51:53,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:53,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1291 transitions. [2023-11-26 11:51:53,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 430.3333333333333) internal successors, (1291), 3 states have internal predecessors, (1291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:53,275 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:53,276 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:53,276 INFO L175 Difference]: Start difference. First operand has 379 places, 380 transitions, 782 flow. Second operand 3 states and 1291 transitions. [2023-11-26 11:51:53,276 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 380 transitions, 828 flow [2023-11-26 11:51:53,281 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 380 transitions, 821 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:51:53,288 INFO L231 Difference]: Finished difference. Result has 372 places, 378 transitions, 791 flow [2023-11-26 11:51:53,290 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=791, PETRI_PLACES=372, PETRI_TRANSITIONS=378} [2023-11-26 11:51:53,291 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -47 predicate places. [2023-11-26 11:51:53,291 INFO L495 AbstractCegarLoop]: Abstraction has has 372 places, 378 transitions, 791 flow [2023-11-26 11:51:53,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 422.3333333333333) internal successors, (1267), 3 states have internal predecessors, (1267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:53,292 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:53,292 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:51:53,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:51:53,292 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:53,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:53,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1061882868, now seen corresponding path program 1 times [2023-11-26 11:51:53,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:53,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336987765] [2023-11-26 11:51:53,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:53,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:53,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:53,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:53,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336987765] [2023-11-26 11:51:53,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336987765] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:53,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:53,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:51:53,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324125635] [2023-11-26 11:51:53,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:53,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:51:53,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:53,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:51:53,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:51:53,493 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 433 out of 458 [2023-11-26 11:51:53,495 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 378 transitions, 791 flow. Second operand has 4 states, 4 states have (on average 434.25) internal successors, (1737), 4 states have internal predecessors, (1737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:53,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:53,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 433 of 458 [2023-11-26 11:51:53,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:53,883 INFO L124 PetriNetUnfolderBase]: 97/1908 cut-off events. [2023-11-26 11:51:53,883 INFO L125 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2023-11-26 11:51:53,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2047 conditions, 1908 events. 97/1908 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 11899 event pairs, 6 based on Foata normal form. 1/1706 useless extension candidates. Maximal degree in co-relation 2010. Up to 45 conditions per place. [2023-11-26 11:51:53,910 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 13 selfloop transitions, 6 changer transitions 0/387 dead transitions. [2023-11-26 11:51:53,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 387 transitions, 851 flow [2023-11-26 11:51:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:51:53,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 11:51:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2185 transitions. [2023-11-26 11:51:53,920 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9541484716157205 [2023-11-26 11:51:53,920 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2185 transitions. [2023-11-26 11:51:53,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2185 transitions. [2023-11-26 11:51:53,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:53,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2185 transitions. [2023-11-26 11:51:53,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 437.0) internal successors, (2185), 5 states have internal predecessors, (2185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:53,937 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 458.0) internal successors, (2748), 6 states have internal predecessors, (2748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:53,938 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 458.0) internal successors, (2748), 6 states have internal predecessors, (2748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:53,939 INFO L175 Difference]: Start difference. First operand has 372 places, 378 transitions, 791 flow. Second operand 5 states and 2185 transitions. [2023-11-26 11:51:53,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 387 transitions, 851 flow [2023-11-26 11:51:53,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 387 transitions, 851 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:51:53,953 INFO L231 Difference]: Finished difference. Result has 379 places, 382 transitions, 829 flow [2023-11-26 11:51:53,954 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=829, PETRI_PLACES=379, PETRI_TRANSITIONS=382} [2023-11-26 11:51:53,955 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -40 predicate places. [2023-11-26 11:51:53,955 INFO L495 AbstractCegarLoop]: Abstraction has has 379 places, 382 transitions, 829 flow [2023-11-26 11:51:53,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 434.25) internal successors, (1737), 4 states have internal predecessors, (1737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:53,956 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:53,956 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] [2023-11-26 11:51:53,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 11:51:53,957 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:53,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:53,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1892985630, now seen corresponding path program 1 times [2023-11-26 11:51:53,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:53,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477875498] [2023-11-26 11:51:53,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:53,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:54,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:54,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477875498] [2023-11-26 11:51:54,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477875498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:54,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:54,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:51:54,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408198706] [2023-11-26 11:51:54,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:54,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:51:54,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:54,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:51:54,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:51:55,028 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 458 [2023-11-26 11:51:55,031 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 382 transitions, 829 flow. Second operand has 6 states, 6 states have (on average 427.6666666666667) internal successors, (2566), 6 states have internal predecessors, (2566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:55,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:55,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 458 [2023-11-26 11:51:55,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:55,304 INFO L124 PetriNetUnfolderBase]: 60/1263 cut-off events. [2023-11-26 11:51:55,305 INFO L125 PetriNetUnfolderBase]: For 7/8 co-relation queries the response was YES. [2023-11-26 11:51:55,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1369 conditions, 1263 events. 60/1263 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 6357 event pairs, 4 based on Foata normal form. 0/1135 useless extension candidates. Maximal degree in co-relation 1326. Up to 32 conditions per place. [2023-11-26 11:51:55,324 INFO L140 encePairwiseOnDemand]: 453/458 looper letters, 10 selfloop transitions, 4 changer transitions 0/381 dead transitions. [2023-11-26 11:51:55,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 381 transitions, 855 flow [2023-11-26 11:51:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:51:55,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:51:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2571 transitions. [2023-11-26 11:51:55,335 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9355895196506551 [2023-11-26 11:51:55,335 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2571 transitions. [2023-11-26 11:51:55,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2571 transitions. [2023-11-26 11:51:55,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:55,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2571 transitions. [2023-11-26 11:51:55,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 428.5) internal successors, (2571), 6 states have internal predecessors, (2571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:55,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:55,355 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:55,355 INFO L175 Difference]: Start difference. First operand has 379 places, 382 transitions, 829 flow. Second operand 6 states and 2571 transitions. [2023-11-26 11:51:55,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 381 transitions, 855 flow [2023-11-26 11:51:55,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 381 transitions, 855 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:51:55,366 INFO L231 Difference]: Finished difference. Result has 383 places, 381 transitions, 835 flow [2023-11-26 11:51:55,367 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=835, PETRI_PLACES=383, PETRI_TRANSITIONS=381} [2023-11-26 11:51:55,369 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -36 predicate places. [2023-11-26 11:51:55,370 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 381 transitions, 835 flow [2023-11-26 11:51:55,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 427.6666666666667) internal successors, (2566), 6 states have internal predecessors, (2566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:55,372 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:55,372 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] [2023-11-26 11:51:55,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 11:51:55,373 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:55,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:55,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1925738577, now seen corresponding path program 1 times [2023-11-26 11:51:55,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:55,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928607418] [2023-11-26 11:51:55,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:55,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:55,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:55,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:55,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928607418] [2023-11-26 11:51:55,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928607418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:55,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:55,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:51:55,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331216578] [2023-11-26 11:51:55,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:55,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:51:55,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:55,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:51:55,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:51:56,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 426 out of 458 [2023-11-26 11:51:56,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 381 transitions, 835 flow. Second operand has 6 states, 6 states have (on average 427.5) internal successors, (2565), 6 states have internal predecessors, (2565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:56,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:56,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 426 of 458 [2023-11-26 11:51:56,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:56,926 INFO L124 PetriNetUnfolderBase]: 79/1469 cut-off events. [2023-11-26 11:51:56,926 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-26 11:51:56,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1643 conditions, 1469 events. 79/1469 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8221 event pairs, 5 based on Foata normal form. 0/1325 useless extension candidates. Maximal degree in co-relation 1617. Up to 35 conditions per place. [2023-11-26 11:51:56,947 INFO L140 encePairwiseOnDemand]: 452/458 looper letters, 15 selfloop transitions, 6 changer transitions 0/384 dead transitions. [2023-11-26 11:51:56,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 384 transitions, 887 flow [2023-11-26 11:51:56,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:51:56,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:51:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2577 transitions. [2023-11-26 11:51:56,957 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9377729257641921 [2023-11-26 11:51:56,958 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2577 transitions. [2023-11-26 11:51:56,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2577 transitions. [2023-11-26 11:51:56,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:56,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2577 transitions. [2023-11-26 11:51:56,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 429.5) internal successors, (2577), 6 states have internal predecessors, (2577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:56,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:56,977 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:56,978 INFO L175 Difference]: Start difference. First operand has 383 places, 381 transitions, 835 flow. Second operand 6 states and 2577 transitions. [2023-11-26 11:51:56,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 384 transitions, 887 flow [2023-11-26 11:51:56,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 384 transitions, 880 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:51:56,992 INFO L231 Difference]: Finished difference. Result has 383 places, 380 transitions, 838 flow [2023-11-26 11:51:56,993 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=838, PETRI_PLACES=383, PETRI_TRANSITIONS=380} [2023-11-26 11:51:56,994 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -36 predicate places. [2023-11-26 11:51:56,995 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 380 transitions, 838 flow [2023-11-26 11:51:56,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 427.5) internal successors, (2565), 6 states have internal predecessors, (2565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:56,996 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:56,996 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] [2023-11-26 11:51:56,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 11:51:56,996 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:56,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:56,997 INFO L85 PathProgramCache]: Analyzing trace with hash -63117531, now seen corresponding path program 1 times [2023-11-26 11:51:56,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:56,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214961422] [2023-11-26 11:51:56,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:56,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:57,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:57,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214961422] [2023-11-26 11:51:57,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214961422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:57,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:57,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:51:57,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557369136] [2023-11-26 11:51:57,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:57,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:51:57,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:57,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:51:57,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:51:57,304 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 458 [2023-11-26 11:51:57,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 380 transitions, 838 flow. Second operand has 4 states, 4 states have (on average 430.5) internal successors, (1722), 4 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:57,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:57,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 458 [2023-11-26 11:51:57,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:57,730 INFO L124 PetriNetUnfolderBase]: 118/2025 cut-off events. [2023-11-26 11:51:57,730 INFO L125 PetriNetUnfolderBase]: For 42/44 co-relation queries the response was YES. [2023-11-26 11:51:57,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2314 conditions, 2025 events. 118/2025 cut-off events. For 42/44 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 12285 event pairs, 12 based on Foata normal form. 1/1827 useless extension candidates. Maximal degree in co-relation 2271. Up to 89 conditions per place. [2023-11-26 11:51:57,755 INFO L140 encePairwiseOnDemand]: 450/458 looper letters, 16 selfloop transitions, 8 changer transitions 0/390 dead transitions. [2023-11-26 11:51:57,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 390 transitions, 909 flow [2023-11-26 11:51:57,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:51:57,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 11:51:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2170 transitions. [2023-11-26 11:51:57,762 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9475982532751092 [2023-11-26 11:51:57,762 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2170 transitions. [2023-11-26 11:51:57,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2170 transitions. [2023-11-26 11:51:57,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:57,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2170 transitions. [2023-11-26 11:51:57,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 434.0) internal successors, (2170), 5 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:57,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 458.0) internal successors, (2748), 6 states have internal predecessors, (2748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:57,776 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 458.0) internal successors, (2748), 6 states have internal predecessors, (2748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:57,777 INFO L175 Difference]: Start difference. First operand has 383 places, 380 transitions, 838 flow. Second operand 5 states and 2170 transitions. [2023-11-26 11:51:57,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 390 transitions, 909 flow [2023-11-26 11:51:57,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 390 transitions, 897 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:51:57,787 INFO L231 Difference]: Finished difference. Result has 385 places, 386 transitions, 880 flow [2023-11-26 11:51:57,788 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=826, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=880, PETRI_PLACES=385, PETRI_TRANSITIONS=386} [2023-11-26 11:51:57,790 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -34 predicate places. [2023-11-26 11:51:57,790 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 386 transitions, 880 flow [2023-11-26 11:51:57,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 430.5) internal successors, (1722), 4 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:57,791 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:57,792 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] [2023-11-26 11:51:57,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 11:51:57,792 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:57,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:57,793 INFO L85 PathProgramCache]: Analyzing trace with hash -8002476, now seen corresponding path program 1 times [2023-11-26 11:51:57,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:57,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749553282] [2023-11-26 11:51:57,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:57,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:57,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:57,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749553282] [2023-11-26 11:51:57,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749553282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:57,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:57,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:51:57,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680334603] [2023-11-26 11:51:57,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:57,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:51:57,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:57,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:51:57,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:51:57,875 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 458 [2023-11-26 11:51:57,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 386 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 433.3333333333333) internal successors, (1300), 3 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:57,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:57,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 458 [2023-11-26 11:51:57,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:58,489 INFO L124 PetriNetUnfolderBase]: 131/2816 cut-off events. [2023-11-26 11:51:58,489 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES. [2023-11-26 11:51:58,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3175 conditions, 2816 events. 131/2816 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 19610 event pairs, 16 based on Foata normal form. 0/2544 useless extension candidates. Maximal degree in co-relation 3129. Up to 69 conditions per place. [2023-11-26 11:51:58,524 INFO L140 encePairwiseOnDemand]: 455/458 looper letters, 9 selfloop transitions, 2 changer transitions 0/386 dead transitions. [2023-11-26 11:51:58,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 386 transitions, 903 flow [2023-11-26 11:51:58,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:51:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:51:58,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1305 transitions. [2023-11-26 11:51:58,530 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9497816593886463 [2023-11-26 11:51:58,530 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1305 transitions. [2023-11-26 11:51:58,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1305 transitions. [2023-11-26 11:51:58,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:58,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1305 transitions. [2023-11-26 11:51:58,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 435.0) internal successors, (1305), 3 states have internal predecessors, (1305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:58,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:58,541 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:58,541 INFO L175 Difference]: Start difference. First operand has 385 places, 386 transitions, 880 flow. Second operand 3 states and 1305 transitions. [2023-11-26 11:51:58,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 386 transitions, 903 flow [2023-11-26 11:51:58,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 386 transitions, 903 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:51:58,554 INFO L231 Difference]: Finished difference. Result has 386 places, 385 transitions, 882 flow [2023-11-26 11:51:58,555 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=386, PETRI_TRANSITIONS=385} [2023-11-26 11:51:58,557 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -33 predicate places. [2023-11-26 11:51:58,557 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 385 transitions, 882 flow [2023-11-26 11:51:58,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 433.3333333333333) internal successors, (1300), 3 states have internal predecessors, (1300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:58,558 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:58,558 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] [2023-11-26 11:51:58,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 11:51:58,559 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:58,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:58,559 INFO L85 PathProgramCache]: Analyzing trace with hash -272712448, now seen corresponding path program 1 times [2023-11-26 11:51:58,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:58,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357939508] [2023-11-26 11:51:58,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:58,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:58,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:58,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357939508] [2023-11-26 11:51:58,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357939508] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:58,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:58,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:51:58,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278117532] [2023-11-26 11:51:58,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:58,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:51:58,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:58,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:51:58,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:51:58,770 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 458 [2023-11-26 11:51:58,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 385 transitions, 882 flow. Second operand has 4 states, 4 states have (on average 430.5) internal successors, (1722), 4 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:58,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:51:58,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 458 [2023-11-26 11:51:58,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:51:59,188 INFO L124 PetriNetUnfolderBase]: 115/2011 cut-off events. [2023-11-26 11:51:59,188 INFO L125 PetriNetUnfolderBase]: For 120/121 co-relation queries the response was YES. [2023-11-26 11:51:59,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2378 conditions, 2011 events. 115/2011 cut-off events. For 120/121 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 12156 event pairs, 12 based on Foata normal form. 0/1830 useless extension candidates. Maximal degree in co-relation 2330. Up to 89 conditions per place. [2023-11-26 11:51:59,215 INFO L140 encePairwiseOnDemand]: 450/458 looper letters, 16 selfloop transitions, 8 changer transitions 0/392 dead transitions. [2023-11-26 11:51:59,215 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 390 places, 392 transitions, 947 flow [2023-11-26 11:51:59,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:51:59,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 11:51:59,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2170 transitions. [2023-11-26 11:51:59,223 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9475982532751092 [2023-11-26 11:51:59,223 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2170 transitions. [2023-11-26 11:51:59,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2170 transitions. [2023-11-26 11:51:59,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:51:59,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2170 transitions. [2023-11-26 11:51:59,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 434.0) internal successors, (2170), 5 states have internal predecessors, (2170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:59,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 458.0) internal successors, (2748), 6 states have internal predecessors, (2748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:59,238 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 458.0) internal successors, (2748), 6 states have internal predecessors, (2748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:59,238 INFO L175 Difference]: Start difference. First operand has 386 places, 385 transitions, 882 flow. Second operand 5 states and 2170 transitions. [2023-11-26 11:51:59,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 390 places, 392 transitions, 947 flow [2023-11-26 11:51:59,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 392 transitions, 943 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:51:59,251 INFO L231 Difference]: Finished difference. Result has 391 places, 388 transitions, 920 flow [2023-11-26 11:51:59,251 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=878, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=920, PETRI_PLACES=391, PETRI_TRANSITIONS=388} [2023-11-26 11:51:59,252 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -28 predicate places. [2023-11-26 11:51:59,252 INFO L495 AbstractCegarLoop]: Abstraction has has 391 places, 388 transitions, 920 flow [2023-11-26 11:51:59,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 430.5) internal successors, (1722), 4 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:51:59,254 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:51:59,254 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] [2023-11-26 11:51:59,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 11:51:59,254 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:51:59,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:51:59,255 INFO L85 PathProgramCache]: Analyzing trace with hash -767315954, now seen corresponding path program 1 times [2023-11-26 11:51:59,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:51:59,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623731872] [2023-11-26 11:51:59,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:51:59,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:51:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:51:59,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:51:59,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:51:59,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623731872] [2023-11-26 11:51:59,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623731872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:51:59,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:51:59,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:51:59,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514725323] [2023-11-26 11:51:59,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:51:59,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:51:59,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:51:59,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:51:59,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:52:00,450 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 398 out of 458 [2023-11-26 11:52:00,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 388 transitions, 920 flow. Second operand has 6 states, 6 states have (on average 399.6666666666667) internal successors, (2398), 6 states have internal predecessors, (2398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:00,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:00,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 398 of 458 [2023-11-26 11:52:00,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:00,995 INFO L124 PetriNetUnfolderBase]: 165/1741 cut-off events. [2023-11-26 11:52:00,995 INFO L125 PetriNetUnfolderBase]: For 235/236 co-relation queries the response was YES. [2023-11-26 11:52:01,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2417 conditions, 1741 events. 165/1741 cut-off events. For 235/236 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 10701 event pairs, 18 based on Foata normal form. 0/1628 useless extension candidates. Maximal degree in co-relation 2364. Up to 128 conditions per place. [2023-11-26 11:52:01,019 INFO L140 encePairwiseOnDemand]: 428/458 looper letters, 19 selfloop transitions, 28 changer transitions 0/387 dead transitions. [2023-11-26 11:52:01,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 387 transitions, 1016 flow [2023-11-26 11:52:01,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:52:01,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:52:01,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2437 transitions. [2023-11-26 11:52:01,029 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8868267831149927 [2023-11-26 11:52:01,029 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2437 transitions. [2023-11-26 11:52:01,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2437 transitions. [2023-11-26 11:52:01,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:01,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2437 transitions. [2023-11-26 11:52:01,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 406.1666666666667) internal successors, (2437), 6 states have internal predecessors, (2437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:01,046 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:01,048 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 458.0) internal successors, (3206), 7 states have internal predecessors, (3206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:01,048 INFO L175 Difference]: Start difference. First operand has 391 places, 388 transitions, 920 flow. Second operand 6 states and 2437 transitions. [2023-11-26 11:52:01,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 387 transitions, 1016 flow [2023-11-26 11:52:01,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 391 places, 387 transitions, 1016 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:52:01,062 INFO L231 Difference]: Finished difference. Result has 391 places, 383 transitions, 966 flow [2023-11-26 11:52:01,062 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=910, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=966, PETRI_PLACES=391, PETRI_TRANSITIONS=383} [2023-11-26 11:52:01,063 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -28 predicate places. [2023-11-26 11:52:01,064 INFO L495 AbstractCegarLoop]: Abstraction has has 391 places, 383 transitions, 966 flow [2023-11-26 11:52:01,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 399.6666666666667) internal successors, (2398), 6 states have internal predecessors, (2398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:01,065 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:01,065 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] [2023-11-26 11:52:01,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-26 11:52:01,066 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:52:01,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:01,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1410520714, now seen corresponding path program 1 times [2023-11-26 11:52:01,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:01,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136243518] [2023-11-26 11:52:01,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:01,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:01,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:01,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:01,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136243518] [2023-11-26 11:52:01,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136243518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:01,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:01,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:01,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354084516] [2023-11-26 11:52:01,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:01,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:01,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:01,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:01,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:01,267 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 458 [2023-11-26 11:52:01,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 383 transitions, 966 flow. Second operand has 3 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) [2023-11-26 11:52:01,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:01,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 458 [2023-11-26 11:52:01,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:01,832 INFO L124 PetriNetUnfolderBase]: 147/2095 cut-off events. [2023-11-26 11:52:01,832 INFO L125 PetriNetUnfolderBase]: For 261/263 co-relation queries the response was YES. [2023-11-26 11:52:01,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2884 conditions, 2095 events. 147/2095 cut-off events. For 261/263 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 13601 event pairs, 68 based on Foata normal form. 0/1976 useless extension candidates. Maximal degree in co-relation 2832. Up to 243 conditions per place. [2023-11-26 11:52:01,866 INFO L140 encePairwiseOnDemand]: 455/458 looper letters, 25 selfloop transitions, 2 changer transitions 0/383 dead transitions. [2023-11-26 11:52:01,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 383 transitions, 1021 flow [2023-11-26 11:52:01,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:01,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:01,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2023-11-26 11:52:01,876 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9264919941775837 [2023-11-26 11:52:01,877 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1273 transitions. [2023-11-26 11:52:01,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1273 transitions. [2023-11-26 11:52:01,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:01,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1273 transitions. [2023-11-26 11:52:01,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:01,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:01,888 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:01,888 INFO L175 Difference]: Start difference. First operand has 391 places, 383 transitions, 966 flow. Second operand 3 states and 1273 transitions. [2023-11-26 11:52:01,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 383 transitions, 1021 flow [2023-11-26 11:52:01,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 383 transitions, 965 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:52:01,901 INFO L231 Difference]: Finished difference. Result has 387 places, 382 transitions, 912 flow [2023-11-26 11:52:01,902 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=908, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=382, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=912, PETRI_PLACES=387, PETRI_TRANSITIONS=382} [2023-11-26 11:52:01,903 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -32 predicate places. [2023-11-26 11:52:01,903 INFO L495 AbstractCegarLoop]: Abstraction has has 387 places, 382 transitions, 912 flow [2023-11-26 11:52:01,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2023-11-26 11:52:01,904 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:01,904 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] [2023-11-26 11:52:01,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-26 11:52:01,905 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err37ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:52:01,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:01,905 INFO L85 PathProgramCache]: Analyzing trace with hash 189224500, now seen corresponding path program 1 times [2023-11-26 11:52:01,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:01,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847204395] [2023-11-26 11:52:01,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:01,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:01,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:01,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847204395] [2023-11-26 11:52:01,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847204395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:01,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:01,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:01,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306346473] [2023-11-26 11:52:01,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:01,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:01,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:01,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:01,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:02,121 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 458 [2023-11-26 11:52:02,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 382 transitions, 912 flow. Second operand has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:02,124 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:02,124 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 458 [2023-11-26 11:52:02,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:02,615 INFO L124 PetriNetUnfolderBase]: 149/2105 cut-off events. [2023-11-26 11:52:02,616 INFO L125 PetriNetUnfolderBase]: For 195/197 co-relation queries the response was YES. [2023-11-26 11:52:02,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2696 conditions, 2105 events. 149/2105 cut-off events. For 195/197 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 13700 event pairs, 68 based on Foata normal form. 0/1990 useless extension candidates. Maximal degree in co-relation 2644. Up to 243 conditions per place. [2023-11-26 11:52:02,637 INFO L140 encePairwiseOnDemand]: 455/458 looper letters, 24 selfloop transitions, 2 changer transitions 1/382 dead transitions. [2023-11-26 11:52:02,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 382 transitions, 967 flow [2023-11-26 11:52:02,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:02,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:02,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2023-11-26 11:52:02,642 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9264919941775837 [2023-11-26 11:52:02,642 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1273 transitions. [2023-11-26 11:52:02,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1273 transitions. [2023-11-26 11:52:02,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:02,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1273 transitions. [2023-11-26 11:52:02,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:02,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:02,648 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:02,649 INFO L175 Difference]: Start difference. First operand has 387 places, 382 transitions, 912 flow. Second operand 3 states and 1273 transitions. [2023-11-26 11:52:02,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 382 transitions, 967 flow [2023-11-26 11:52:02,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 382 transitions, 963 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:02,659 INFO L231 Difference]: Finished difference. Result has 386 places, 381 transitions, 910 flow [2023-11-26 11:52:02,659 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=906, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=910, PETRI_PLACES=386, PETRI_TRANSITIONS=381} [2023-11-26 11:52:02,660 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -33 predicate places. [2023-11-26 11:52:02,660 INFO L495 AbstractCegarLoop]: Abstraction has has 386 places, 381 transitions, 910 flow [2023-11-26 11:52:02,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 417.3333333333333) internal successors, (1252), 3 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:02,661 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:02,661 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] [2023-11-26 11:52:02,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-26 11:52:02,662 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:52:02,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:02,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1715036059, now seen corresponding path program 1 times [2023-11-26 11:52:02,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:02,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769575669] [2023-11-26 11:52:02,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:02,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:02,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:02,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769575669] [2023-11-26 11:52:02,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769575669] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:02,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:02,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:02,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326716697] [2023-11-26 11:52:02,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:02,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:02,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:02,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:02,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:02,822 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 458 [2023-11-26 11:52:02,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 381 transitions, 910 flow. Second operand has 3 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) [2023-11-26 11:52:02,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:02,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 458 [2023-11-26 11:52:02,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:03,247 INFO L124 PetriNetUnfolderBase]: 151/2111 cut-off events. [2023-11-26 11:52:03,247 INFO L125 PetriNetUnfolderBase]: For 197/199 co-relation queries the response was YES. [2023-11-26 11:52:03,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2700 conditions, 2111 events. 151/2111 cut-off events. For 197/199 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 13849 event pairs, 68 based on Foata normal form. 0/1996 useless extension candidates. Maximal degree in co-relation 2648. Up to 243 conditions per place. [2023-11-26 11:52:03,274 INFO L140 encePairwiseOnDemand]: 455/458 looper letters, 24 selfloop transitions, 2 changer transitions 1/381 dead transitions. [2023-11-26 11:52:03,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 381 transitions, 965 flow [2023-11-26 11:52:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:03,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:03,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2023-11-26 11:52:03,283 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9264919941775837 [2023-11-26 11:52:03,283 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1273 transitions. [2023-11-26 11:52:03,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1273 transitions. [2023-11-26 11:52:03,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:03,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1273 transitions. [2023-11-26 11:52:03,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:03,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:03,290 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:03,291 INFO L175 Difference]: Start difference. First operand has 386 places, 381 transitions, 910 flow. Second operand 3 states and 1273 transitions. [2023-11-26 11:52:03,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 381 transitions, 965 flow [2023-11-26 11:52:03,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 381 transitions, 961 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:03,301 INFO L231 Difference]: Finished difference. Result has 385 places, 380 transitions, 908 flow [2023-11-26 11:52:03,302 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=908, PETRI_PLACES=385, PETRI_TRANSITIONS=380} [2023-11-26 11:52:03,302 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -34 predicate places. [2023-11-26 11:52:03,303 INFO L495 AbstractCegarLoop]: Abstraction has has 385 places, 380 transitions, 908 flow [2023-11-26 11:52:03,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2023-11-26 11:52:03,303 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:03,304 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:03,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-26 11:52:03,304 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:52:03,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:03,304 INFO L85 PathProgramCache]: Analyzing trace with hash 2119077974, now seen corresponding path program 1 times [2023-11-26 11:52:03,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:03,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172504224] [2023-11-26 11:52:03,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:03,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:03,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:03,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172504224] [2023-11-26 11:52:03,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172504224] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:03,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:03,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:03,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084535940] [2023-11-26 11:52:03,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:03,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:03,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:03,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:03,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:03,540 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 458 [2023-11-26 11:52:03,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 380 transitions, 908 flow. Second operand has 3 states, 3 states have (on average 418.6666666666667) internal successors, (1256), 3 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:03,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:03,541 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 458 [2023-11-26 11:52:03,542 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:04,078 INFO L124 PetriNetUnfolderBase]: 147/2081 cut-off events. [2023-11-26 11:52:04,078 INFO L125 PetriNetUnfolderBase]: For 197/199 co-relation queries the response was YES. [2023-11-26 11:52:04,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2672 conditions, 2081 events. 147/2081 cut-off events. For 197/199 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 13558 event pairs, 68 based on Foata normal form. 0/1976 useless extension candidates. Maximal degree in co-relation 2620. Up to 243 conditions per place. [2023-11-26 11:52:04,101 INFO L140 encePairwiseOnDemand]: 455/458 looper letters, 25 selfloop transitions, 2 changer transitions 0/380 dead transitions. [2023-11-26 11:52:04,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 380 transitions, 963 flow [2023-11-26 11:52:04,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:04,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:04,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2023-11-26 11:52:04,105 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9264919941775837 [2023-11-26 11:52:04,105 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1273 transitions. [2023-11-26 11:52:04,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1273 transitions. [2023-11-26 11:52:04,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:04,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1273 transitions. [2023-11-26 11:52:04,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:04,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:04,113 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:04,113 INFO L175 Difference]: Start difference. First operand has 385 places, 380 transitions, 908 flow. Second operand 3 states and 1273 transitions. [2023-11-26 11:52:04,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 380 transitions, 963 flow [2023-11-26 11:52:04,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 380 transitions, 959 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:04,123 INFO L231 Difference]: Finished difference. Result has 384 places, 379 transitions, 906 flow [2023-11-26 11:52:04,124 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=377, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=906, PETRI_PLACES=384, PETRI_TRANSITIONS=379} [2023-11-26 11:52:04,124 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -35 predicate places. [2023-11-26 11:52:04,124 INFO L495 AbstractCegarLoop]: Abstraction has has 384 places, 379 transitions, 906 flow [2023-11-26 11:52:04,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 418.6666666666667) internal successors, (1256), 3 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:04,125 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:04,125 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:04,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-26 11:52:04,126 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-11-26 11:52:04,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:04,126 INFO L85 PathProgramCache]: Analyzing trace with hash -513597235, now seen corresponding path program 1 times [2023-11-26 11:52:04,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:04,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756652794] [2023-11-26 11:52:04,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:04,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:04,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:04,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:04,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756652794] [2023-11-26 11:52:04,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756652794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:04,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:04,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:04,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560276982] [2023-11-26 11:52:04,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:04,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:04,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:04,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:04,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:04,312 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 415 out of 458 [2023-11-26 11:52:04,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 379 transitions, 906 flow. Second operand has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:04,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:52:04,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 415 of 458 [2023-11-26 11:52:04,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:52:04,777 INFO L124 PetriNetUnfolderBase]: 147/2075 cut-off events. [2023-11-26 11:52:04,777 INFO L125 PetriNetUnfolderBase]: For 195/197 co-relation queries the response was YES. [2023-11-26 11:52:04,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2666 conditions, 2075 events. 147/2075 cut-off events. For 195/197 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 13540 event pairs, 68 based on Foata normal form. 0/1976 useless extension candidates. Maximal degree in co-relation 2614. Up to 243 conditions per place. [2023-11-26 11:52:04,801 INFO L140 encePairwiseOnDemand]: 455/458 looper letters, 0 selfloop transitions, 0 changer transitions 379/379 dead transitions. [2023-11-26 11:52:04,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 379 transitions, 961 flow [2023-11-26 11:52:04,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:04,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:52:04,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1273 transitions. [2023-11-26 11:52:04,806 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9264919941775837 [2023-11-26 11:52:04,807 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1273 transitions. [2023-11-26 11:52:04,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1273 transitions. [2023-11-26 11:52:04,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:52:04,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1273 transitions. [2023-11-26 11:52:04,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:04,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:04,814 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 458.0) internal successors, (1832), 4 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:04,814 INFO L175 Difference]: Start difference. First operand has 384 places, 379 transitions, 906 flow. Second operand 3 states and 1273 transitions. [2023-11-26 11:52:04,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 379 transitions, 961 flow [2023-11-26 11:52:04,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 379 transitions, 957 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:52:04,823 INFO L231 Difference]: Finished difference. Result has 383 places, 0 transitions, 0 flow [2023-11-26 11:52:04,824 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=458, PETRI_DIFFERENCE_MINUEND_FLOW=900, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=383, PETRI_TRANSITIONS=0} [2023-11-26 11:52:04,824 INFO L281 CegarLoopForPetriNet]: 419 programPoint places, -36 predicate places. [2023-11-26 11:52:04,824 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 0 transitions, 0 flow [2023-11-26 11:52:04,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.6666666666667) internal successors, (1259), 3 states have internal predecessors, (1259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:04,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (103 of 104 remaining) [2023-11-26 11:52:04,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (102 of 104 remaining) [2023-11-26 11:52:04,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (101 of 104 remaining) [2023-11-26 11:52:04,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (100 of 104 remaining) [2023-11-26 11:52:04,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (99 of 104 remaining) [2023-11-26 11:52:04,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (98 of 104 remaining) [2023-11-26 11:52:04,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (97 of 104 remaining) [2023-11-26 11:52:04,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (96 of 104 remaining) [2023-11-26 11:52:04,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (95 of 104 remaining) [2023-11-26 11:52:04,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (94 of 104 remaining) [2023-11-26 11:52:04,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (93 of 104 remaining) [2023-11-26 11:52:04,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (92 of 104 remaining) [2023-11-26 11:52:04,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (91 of 104 remaining) [2023-11-26 11:52:04,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (90 of 104 remaining) [2023-11-26 11:52:04,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (89 of 104 remaining) [2023-11-26 11:52:04,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (88 of 104 remaining) [2023-11-26 11:52:04,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (87 of 104 remaining) [2023-11-26 11:52:04,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (86 of 104 remaining) [2023-11-26 11:52:04,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (85 of 104 remaining) [2023-11-26 11:52:04,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (84 of 104 remaining) [2023-11-26 11:52:04,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (83 of 104 remaining) [2023-11-26 11:52:04,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (82 of 104 remaining) [2023-11-26 11:52:04,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (81 of 104 remaining) [2023-11-26 11:52:04,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (80 of 104 remaining) [2023-11-26 11:52:04,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (79 of 104 remaining) [2023-11-26 11:52:04,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (78 of 104 remaining) [2023-11-26 11:52:04,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (77 of 104 remaining) [2023-11-26 11:52:04,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (76 of 104 remaining) [2023-11-26 11:52:04,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (75 of 104 remaining) [2023-11-26 11:52:04,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (74 of 104 remaining) [2023-11-26 11:52:04,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (73 of 104 remaining) [2023-11-26 11:52:04,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (72 of 104 remaining) [2023-11-26 11:52:04,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (71 of 104 remaining) [2023-11-26 11:52:04,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (70 of 104 remaining) [2023-11-26 11:52:04,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (69 of 104 remaining) [2023-11-26 11:52:04,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (68 of 104 remaining) [2023-11-26 11:52:04,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (67 of 104 remaining) [2023-11-26 11:52:04,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (66 of 104 remaining) [2023-11-26 11:52:04,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (65 of 104 remaining) [2023-11-26 11:52:04,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (64 of 104 remaining) [2023-11-26 11:52:04,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (63 of 104 remaining) [2023-11-26 11:52:04,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (62 of 104 remaining) [2023-11-26 11:52:04,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (61 of 104 remaining) [2023-11-26 11:52:04,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (60 of 104 remaining) [2023-11-26 11:52:04,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (59 of 104 remaining) [2023-11-26 11:52:04,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (58 of 104 remaining) [2023-11-26 11:52:04,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (57 of 104 remaining) [2023-11-26 11:52:04,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (56 of 104 remaining) [2023-11-26 11:52:04,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (55 of 104 remaining) [2023-11-26 11:52:04,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (54 of 104 remaining) [2023-11-26 11:52:04,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (53 of 104 remaining) [2023-11-26 11:52:04,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (52 of 104 remaining) [2023-11-26 11:52:04,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (51 of 104 remaining) [2023-11-26 11:52:04,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (50 of 104 remaining) [2023-11-26 11:52:04,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (49 of 104 remaining) [2023-11-26 11:52:04,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (48 of 104 remaining) [2023-11-26 11:52:04,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 104 remaining) [2023-11-26 11:52:04,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 104 remaining) [2023-11-26 11:52:04,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (45 of 104 remaining) [2023-11-26 11:52:04,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (44 of 104 remaining) [2023-11-26 11:52:04,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (43 of 104 remaining) [2023-11-26 11:52:04,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (42 of 104 remaining) [2023-11-26 11:52:04,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (41 of 104 remaining) [2023-11-26 11:52:04,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (40 of 104 remaining) [2023-11-26 11:52:04,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (39 of 104 remaining) [2023-11-26 11:52:04,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (38 of 104 remaining) [2023-11-26 11:52:04,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (37 of 104 remaining) [2023-11-26 11:52:04,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (36 of 104 remaining) [2023-11-26 11:52:04,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (35 of 104 remaining) [2023-11-26 11:52:04,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (34 of 104 remaining) [2023-11-26 11:52:04,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (33 of 104 remaining) [2023-11-26 11:52:04,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (32 of 104 remaining) [2023-11-26 11:52:04,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (31 of 104 remaining) [2023-11-26 11:52:04,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (30 of 104 remaining) [2023-11-26 11:52:04,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (29 of 104 remaining) [2023-11-26 11:52:04,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (28 of 104 remaining) [2023-11-26 11:52:04,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (27 of 104 remaining) [2023-11-26 11:52:04,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (26 of 104 remaining) [2023-11-26 11:52:04,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (25 of 104 remaining) [2023-11-26 11:52:04,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (24 of 104 remaining) [2023-11-26 11:52:04,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (23 of 104 remaining) [2023-11-26 11:52:04,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (22 of 104 remaining) [2023-11-26 11:52:04,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (21 of 104 remaining) [2023-11-26 11:52:04,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (20 of 104 remaining) [2023-11-26 11:52:04,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (19 of 104 remaining) [2023-11-26 11:52:04,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (18 of 104 remaining) [2023-11-26 11:52:04,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 104 remaining) [2023-11-26 11:52:04,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err36ASSERT_VIOLATIONDATA_RACE (16 of 104 remaining) [2023-11-26 11:52:04,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (15 of 104 remaining) [2023-11-26 11:52:04,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err37ASSERT_VIOLATIONDATA_RACE (14 of 104 remaining) [2023-11-26 11:52:04,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 104 remaining) [2023-11-26 11:52:04,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 104 remaining) [2023-11-26 11:52:04,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 104 remaining) [2023-11-26 11:52:04,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (10 of 104 remaining) [2023-11-26 11:52:04,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (9 of 104 remaining) [2023-11-26 11:52:04,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (8 of 104 remaining) [2023-11-26 11:52:04,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 104 remaining) [2023-11-26 11:52:04,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 104 remaining) [2023-11-26 11:52:04,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 104 remaining) [2023-11-26 11:52:04,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (4 of 104 remaining) [2023-11-26 11:52:04,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (3 of 104 remaining) [2023-11-26 11:52:04,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 104 remaining) [2023-11-26 11:52:04,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (1 of 104 remaining) [2023-11-26 11:52:04,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (0 of 104 remaining) [2023-11-26 11:52:04,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-26 11:52:04,852 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] [2023-11-26 11:52:04,862 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:52:04,862 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:52:04,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:52:04 BasicIcfg [2023-11-26 11:52:04,871 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:52:04,872 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:52:04,872 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:52:04,872 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:52:04,873 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:43" (3/4) ... [2023-11-26 11:52:04,876 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:52:04,880 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 11:52:04,880 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 11:52:04,888 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-26 11:52:04,889 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 11:52:04,889 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:52:04,889 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:52:05,016 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:52:05,018 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:52:05,018 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:52:05,019 INFO L158 Benchmark]: Toolchain (without parser) took 23522.18ms. Allocated memory was 178.3MB in the beginning and 690.0MB in the end (delta: 511.7MB). Free memory was 149.3MB in the beginning and 293.2MB in the end (delta: -143.9MB). Peak memory consumption was 369.9MB. Max. memory is 16.1GB. [2023-11-26 11:52:05,019 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 130.0MB. Free memory was 95.1MB in the beginning and 95.0MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:05,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.19ms. Allocated memory is still 178.3MB. Free memory was 149.3MB in the beginning and 135.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:52:05,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.62ms. Allocated memory is still 178.3MB. Free memory was 135.9MB in the beginning and 132.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:52:05,021 INFO L158 Benchmark]: Boogie Preprocessor took 64.67ms. Allocated memory is still 178.3MB. Free memory was 132.7MB in the beginning and 129.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:05,021 INFO L158 Benchmark]: RCFGBuilder took 990.60ms. Allocated memory is still 178.3MB. Free memory was 129.7MB in the beginning and 95.0MB in the end (delta: 34.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-26 11:52:05,022 INFO L158 Benchmark]: TraceAbstraction took 21836.49ms. Allocated memory was 178.3MB in the beginning and 690.0MB in the end (delta: 511.7MB). Free memory was 94.0MB in the beginning and 299.5MB in the end (delta: -205.5MB). Peak memory consumption was 309.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:05,022 INFO L158 Benchmark]: Witness Printer took 145.81ms. Allocated memory is still 690.0MB. Free memory was 299.5MB in the beginning and 293.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 11:52:05,029 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 130.0MB. Free memory was 95.1MB in the beginning and 95.0MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.19ms. Allocated memory is still 178.3MB. Free memory was 149.3MB in the beginning and 135.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.62ms. Allocated memory is still 178.3MB. Free memory was 135.9MB in the beginning and 132.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.67ms. Allocated memory is still 178.3MB. Free memory was 132.7MB in the beginning and 129.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 990.60ms. Allocated memory is still 178.3MB. Free memory was 129.7MB in the beginning and 95.0MB in the end (delta: 34.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 21836.49ms. Allocated memory was 178.3MB in the beginning and 690.0MB in the end (delta: 511.7MB). Free memory was 94.0MB in the beginning and 299.5MB in the end (delta: -205.5MB). Peak memory consumption was 309.1MB. Max. memory is 16.1GB. * Witness Printer took 145.81ms. Allocated memory is still 690.0MB. Free memory was 299.5MB in the beginning and 293.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: 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: 71]: 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: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 60]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 72]: 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: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 72]: 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: 77]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 721 locations, 104 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: 21.6s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2574 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1047 mSDsluCounter, 442 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 125 mSDsCounter, 604 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3193 IncrementalHoareTripleChecker+Invalid, 3797 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 604 mSolverCounterUnsat, 317 mSDtfsCounter, 3193 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=966occurred in iteration=17, InterpolantAutomatonStates: 87, 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, 0.3s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 2092 NumberOfCodeBlocks, 2092 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2070 ConstructedInterpolants, 0 QuantifiedInterpolants, 3087 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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 56 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:52:05,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c93ae30-853e-48d1-aa3a-13e2bb99760f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE