./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i --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_14bddc5b-b93c-4358-8034-7af036f64340/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bddc5b-b93c-4358-8034-7af036f64340/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_14bddc5b-b93c-4358-8034-7af036f64340/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bddc5b-b93c-4358-8034-7af036f64340/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bddc5b-b93c-4358-8034-7af036f64340/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_14bddc5b-b93c-4358-8034-7af036f64340/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 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:58:08,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:58:08,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bddc5b-b93c-4358-8034-7af036f64340/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:58:08,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:58:08,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:58:08,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:58:08,276 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:58:08,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:58:08,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:58:08,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:58:08,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:58:08,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:58:08,288 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:58:08,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:58:08,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:58:08,292 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:58:08,292 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:58:08,293 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:58:08,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:58:08,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:58:08,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:58:08,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:58:08,296 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:58:08,297 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:58:08,297 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:58:08,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:58:08,298 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:58:08,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:58:08,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:58:08,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:58:08,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:08,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:58:08,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:58:08,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:58:08,304 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:58:08,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:58:08,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:58:08,305 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:58:08,306 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:58:08,306 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:58:08,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:58:08,307 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_14bddc5b-b93c-4358-8034-7af036f64340/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bddc5b-b93c-4358-8034-7af036f64340/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9 [2023-11-26 11:58:08,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:58:08,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:58:08,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:58:08,726 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:58:08,727 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:58:08,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bddc5b-b93c-4358-8034-7af036f64340/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i [2023-11-26 11:58:11,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:58:12,309 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:58:12,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bddc5b-b93c-4358-8034-7af036f64340/sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i [2023-11-26 11:58:12,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bddc5b-b93c-4358-8034-7af036f64340/bin/uautomizer-verify-VRDe98Ueme/data/8c39bbdc8/a20ea3352c21460e841fd8acb6450f58/FLAG2f61259ea [2023-11-26 11:58:12,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bddc5b-b93c-4358-8034-7af036f64340/bin/uautomizer-verify-VRDe98Ueme/data/8c39bbdc8/a20ea3352c21460e841fd8acb6450f58 [2023-11-26 11:58:12,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:58:12,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:58:12,360 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:12,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:58:12,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:58:12,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:12,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad8b4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12, skipping insertion in model container [2023-11-26 11:58:12,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:12,417 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:58:12,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:12,844 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:58:12,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:12,986 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:58:12,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12 WrapperNode [2023-11-26 11:58:12,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:12,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:12,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:58:12,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:58:12,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,071 INFO L138 Inliner]: procedures = 171, calls = 45, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2023-11-26 11:58:13,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:13,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:58:13,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:58:13,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:58:13,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:58:13,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:58:13,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:58:13,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:58:13,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (1/1) ... [2023-11-26 11:58:13,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:13,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bddc5b-b93c-4358-8034-7af036f64340/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:13,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bddc5b-b93c-4358-8034-7af036f64340/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:13,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14bddc5b-b93c-4358-8034-7af036f64340/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:58:13,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:58:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:58:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-26 11:58:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:58:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:58:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-26 11:58:13,237 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-26 11:58:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:58:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:58:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-26 11:58:13,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:58:13,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:58:13,241 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 11:58:13,418 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:58:13,421 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:58:13,846 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:58:13,890 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:58:13,890 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-26 11:58:13,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:13 BoogieIcfgContainer [2023-11-26 11:58:13,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:58:13,895 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:58:13,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:58:13,902 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:58:13,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:58:12" (1/3) ... [2023-11-26 11:58:13,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dad8712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:13, skipping insertion in model container [2023-11-26 11:58:13,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:12" (2/3) ... [2023-11-26 11:58:13,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dad8712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:13, skipping insertion in model container [2023-11-26 11:58:13,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:13" (3/3) ... [2023-11-26 11:58:13,905 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2023-11-26 11:58:13,914 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:58:13,924 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:58:13,924 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-26 11:58:13,924 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:58:14,068 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-26 11:58:14,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 150 places, 156 transitions, 319 flow [2023-11-26 11:58:14,242 INFO L124 PetriNetUnfolderBase]: 10/155 cut-off events. [2023-11-26 11:58:14,242 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 11:58:14,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 155 events. 10/155 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 337 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 106. Up to 3 conditions per place. [2023-11-26 11:58:14,250 INFO L82 GeneralOperation]: Start removeDead. Operand has 150 places, 156 transitions, 319 flow [2023-11-26 11:58:14,256 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 139 places, 145 transitions, 293 flow [2023-11-26 11:58:14,267 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:58:14,280 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;@7a6a55eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:58:14,281 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-11-26 11:58:14,309 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:58:14,309 INFO L124 PetriNetUnfolderBase]: 2/85 cut-off events. [2023-11-26 11:58:14,309 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:58:14,310 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:14,310 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] [2023-11-26 11:58:14,311 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:14,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:14,317 INFO L85 PathProgramCache]: Analyzing trace with hash -270624798, now seen corresponding path program 1 times [2023-11-26 11:58:14,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:14,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121954051] [2023-11-26 11:58:14,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:14,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:15,553 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 11:58:15,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:15,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121954051] [2023-11-26 11:58:15,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121954051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:15,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:15,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:58:15,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196215502] [2023-11-26 11:58:15,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:15,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:58:15,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:15,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:58:15,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:58:16,071 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 156 [2023-11-26 11:58:16,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 145 transitions, 293 flow. Second operand has 6 states, 6 states have (on average 116.66666666666667) internal successors, (700), 6 states have internal predecessors, (700), 0 states have call successors, (0), 0 states 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 11:58:16,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:16,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 156 [2023-11-26 11:58:16,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:16,597 INFO L124 PetriNetUnfolderBase]: 202/1105 cut-off events. [2023-11-26 11:58:16,598 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 11:58:16,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1560 conditions, 1105 events. 202/1105 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6891 event pairs, 32 based on Foata normal form. 143/1164 useless extension candidates. Maximal degree in co-relation 1513. Up to 292 conditions per place. [2023-11-26 11:58:16,633 INFO L140 encePairwiseOnDemand]: 132/156 looper letters, 52 selfloop transitions, 37 changer transitions 0/194 dead transitions. [2023-11-26 11:58:16,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 194 transitions, 569 flow [2023-11-26 11:58:16,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:58:16,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:58:16,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 817 transitions. [2023-11-26 11:58:16,658 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8728632478632479 [2023-11-26 11:58:16,659 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 817 transitions. [2023-11-26 11:58:16,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 817 transitions. [2023-11-26 11:58:16,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:16,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 817 transitions. [2023-11-26 11:58:16,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 136.16666666666666) internal successors, (817), 6 states have internal predecessors, (817), 0 states have call successors, (0), 0 states 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 11:58:16,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states 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 11:58:16,680 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states 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 11:58:16,683 INFO L175 Difference]: Start difference. First operand has 139 places, 145 transitions, 293 flow. Second operand 6 states and 817 transitions. [2023-11-26 11:58:16,684 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 194 transitions, 569 flow [2023-11-26 11:58:16,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 194 transitions, 568 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:58:16,701 INFO L231 Difference]: Finished difference. Result has 145 places, 168 transitions, 512 flow [2023-11-26 11:58:16,704 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=512, PETRI_PLACES=145, PETRI_TRANSITIONS=168} [2023-11-26 11:58:16,708 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 6 predicate places. [2023-11-26 11:58:16,709 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 168 transitions, 512 flow [2023-11-26 11:58:16,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 116.66666666666667) internal successors, (700), 6 states have internal predecessors, (700), 0 states have call successors, (0), 0 states 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 11:58:16,710 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:16,711 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:16,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:58:16,712 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:16,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:16,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1031543617, now seen corresponding path program 1 times [2023-11-26 11:58:16,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:16,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070121060] [2023-11-26 11:58:16,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:16,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:17,218 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 11:58:17,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:17,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070121060] [2023-11-26 11:58:17,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070121060] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:17,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:17,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:58:17,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358360154] [2023-11-26 11:58:17,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:17,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:58:17,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:17,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:58:17,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:58:17,548 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 156 [2023-11-26 11:58:17,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 168 transitions, 512 flow. Second operand has 6 states, 6 states have (on average 111.5) internal successors, (669), 6 states have internal predecessors, (669), 0 states have call successors, (0), 0 states 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 11:58:17,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:17,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 156 [2023-11-26 11:58:17,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:17,866 INFO L124 PetriNetUnfolderBase]: 211/1090 cut-off events. [2023-11-26 11:58:17,866 INFO L125 PetriNetUnfolderBase]: For 184/190 co-relation queries the response was YES. [2023-11-26 11:58:17,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1865 conditions, 1090 events. 211/1090 cut-off events. For 184/190 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6987 event pairs, 76 based on Foata normal form. 0/1034 useless extension candidates. Maximal degree in co-relation 1816. Up to 318 conditions per place. [2023-11-26 11:58:17,877 INFO L140 encePairwiseOnDemand]: 144/156 looper letters, 62 selfloop transitions, 18 changer transitions 0/182 dead transitions. [2023-11-26 11:58:17,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 182 transitions, 700 flow [2023-11-26 11:58:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:58:17,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:58:17,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 710 transitions. [2023-11-26 11:58:17,881 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7585470085470085 [2023-11-26 11:58:17,881 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 710 transitions. [2023-11-26 11:58:17,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 710 transitions. [2023-11-26 11:58:17,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:17,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 710 transitions. [2023-11-26 11:58:17,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 118.33333333333333) internal successors, (710), 6 states have internal predecessors, (710), 0 states have call successors, (0), 0 states 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 11:58:17,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states 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 11:58:17,889 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states 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 11:58:17,890 INFO L175 Difference]: Start difference. First operand has 145 places, 168 transitions, 512 flow. Second operand 6 states and 710 transitions. [2023-11-26 11:58:17,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 182 transitions, 700 flow [2023-11-26 11:58:17,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 182 transitions, 700 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:58:17,901 INFO L231 Difference]: Finished difference. Result has 148 places, 166 transitions, 544 flow [2023-11-26 11:58:17,901 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=544, PETRI_PLACES=148, PETRI_TRANSITIONS=166} [2023-11-26 11:58:17,902 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 9 predicate places. [2023-11-26 11:58:17,902 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 166 transitions, 544 flow [2023-11-26 11:58:17,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 111.5) internal successors, (669), 6 states have internal predecessors, (669), 0 states have call successors, (0), 0 states 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 11:58:17,904 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:17,904 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] [2023-11-26 11:58:17,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:58:17,904 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:17,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:17,905 INFO L85 PathProgramCache]: Analyzing trace with hash 2139031496, now seen corresponding path program 1 times [2023-11-26 11:58:17,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:17,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587913500] [2023-11-26 11:58:17,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:17,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:18,362 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 11:58:18,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:18,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587913500] [2023-11-26 11:58:18,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587913500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:18,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:18,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:58:18,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179914692] [2023-11-26 11:58:18,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:18,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:58:18,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:18,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:58:18,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:58:18,593 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 156 [2023-11-26 11:58:18,595 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 166 transitions, 544 flow. Second operand has 6 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:18,595 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:18,595 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 156 [2023-11-26 11:58:18,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:19,337 INFO L124 PetriNetUnfolderBase]: 622/2215 cut-off events. [2023-11-26 11:58:19,337 INFO L125 PetriNetUnfolderBase]: For 693/695 co-relation queries the response was YES. [2023-11-26 11:58:19,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4429 conditions, 2215 events. 622/2215 cut-off events. For 693/695 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 15269 event pairs, 346 based on Foata normal form. 0/2083 useless extension candidates. Maximal degree in co-relation 4379. Up to 1178 conditions per place. [2023-11-26 11:58:19,359 INFO L140 encePairwiseOnDemand]: 141/156 looper letters, 89 selfloop transitions, 48 changer transitions 0/225 dead transitions. [2023-11-26 11:58:19,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 225 transitions, 1006 flow [2023-11-26 11:58:19,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:58:19,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:58:19,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 703 transitions. [2023-11-26 11:58:19,362 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7510683760683761 [2023-11-26 11:58:19,363 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 703 transitions. [2023-11-26 11:58:19,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 703 transitions. [2023-11-26 11:58:19,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:19,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 703 transitions. [2023-11-26 11:58:19,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 117.16666666666667) internal successors, (703), 6 states have internal predecessors, (703), 0 states have call successors, (0), 0 states 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 11:58:19,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states 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 11:58:19,370 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states 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 11:58:19,371 INFO L175 Difference]: Start difference. First operand has 148 places, 166 transitions, 544 flow. Second operand 6 states and 703 transitions. [2023-11-26 11:58:19,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 225 transitions, 1006 flow [2023-11-26 11:58:19,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 225 transitions, 970 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:58:19,389 INFO L231 Difference]: Finished difference. Result has 153 places, 209 transitions, 896 flow [2023-11-26 11:58:19,389 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=896, PETRI_PLACES=153, PETRI_TRANSITIONS=209} [2023-11-26 11:58:19,391 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 14 predicate places. [2023-11-26 11:58:19,391 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 209 transitions, 896 flow [2023-11-26 11:58:19,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 103.5) internal successors, (621), 6 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:19,393 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:19,393 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:19,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:58:19,394 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:19,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:19,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1187267943, now seen corresponding path program 1 times [2023-11-26 11:58:19,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:19,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439580742] [2023-11-26 11:58:19,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:19,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:19,641 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 11:58:19,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:19,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439580742] [2023-11-26 11:58:19,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439580742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:19,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:19,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:58:19,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413643877] [2023-11-26 11:58:19,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:19,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:58:19,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:19,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:58:19,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:58:19,708 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 156 [2023-11-26 11:58:19,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 209 transitions, 896 flow. Second operand has 5 states, 5 states have (on average 132.4) internal successors, (662), 5 states have internal predecessors, (662), 0 states have call successors, (0), 0 states 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 11:58:19,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:19,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 156 [2023-11-26 11:58:19,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:19,806 INFO L124 PetriNetUnfolderBase]: 39/320 cut-off events. [2023-11-26 11:58:19,806 INFO L125 PetriNetUnfolderBase]: For 71/71 co-relation queries the response was YES. [2023-11-26 11:58:19,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 593 conditions, 320 events. 39/320 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 818 event pairs, 4 based on Foata normal form. 8/312 useless extension candidates. Maximal degree in co-relation 537. Up to 56 conditions per place. [2023-11-26 11:58:19,809 INFO L140 encePairwiseOnDemand]: 150/156 looper letters, 7 selfloop transitions, 6 changer transitions 3/151 dead transitions. [2023-11-26 11:58:19,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 151 transitions, 494 flow [2023-11-26 11:58:19,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:58:19,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 11:58:19,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 670 transitions. [2023-11-26 11:58:19,812 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8589743589743589 [2023-11-26 11:58:19,812 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 670 transitions. [2023-11-26 11:58:19,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 670 transitions. [2023-11-26 11:58:19,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:19,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 670 transitions. [2023-11-26 11:58:19,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 0 states have call successors, (0), 0 states 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 11:58:19,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states 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 11:58:19,818 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states 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 11:58:19,818 INFO L175 Difference]: Start difference. First operand has 153 places, 209 transitions, 896 flow. Second operand 5 states and 670 transitions. [2023-11-26 11:58:19,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 151 transitions, 494 flow [2023-11-26 11:58:19,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 151 transitions, 450 flow, removed 15 selfloop flow, removed 7 redundant places. [2023-11-26 11:58:19,825 INFO L231 Difference]: Finished difference. Result has 149 places, 148 transitions, 430 flow [2023-11-26 11:58:19,826 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=430, PETRI_PLACES=149, PETRI_TRANSITIONS=148} [2023-11-26 11:58:19,827 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 10 predicate places. [2023-11-26 11:58:19,827 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 148 transitions, 430 flow [2023-11-26 11:58:19,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 132.4) internal successors, (662), 5 states have internal predecessors, (662), 0 states have call successors, (0), 0 states 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 11:58:19,828 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:19,828 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] [2023-11-26 11:58:19,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:58:19,829 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:19,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:19,829 INFO L85 PathProgramCache]: Analyzing trace with hash 751094007, now seen corresponding path program 1 times [2023-11-26 11:58:19,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:19,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033646492] [2023-11-26 11:58:19,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:19,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:20,230 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 11:58:20,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:20,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033646492] [2023-11-26 11:58:20,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033646492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:20,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:20,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:58:20,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703933866] [2023-11-26 11:58:20,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:20,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:58:20,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:20,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:58:20,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:58:20,576 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 156 [2023-11-26 11:58:20,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 148 transitions, 430 flow. Second operand has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:20,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:20,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 156 [2023-11-26 11:58:20,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:20,879 INFO L124 PetriNetUnfolderBase]: 159/699 cut-off events. [2023-11-26 11:58:20,879 INFO L125 PetriNetUnfolderBase]: For 207/233 co-relation queries the response was YES. [2023-11-26 11:58:20,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1433 conditions, 699 events. 159/699 cut-off events. For 207/233 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3130 event pairs, 8 based on Foata normal form. 0/668 useless extension candidates. Maximal degree in co-relation 1378. Up to 237 conditions per place. [2023-11-26 11:58:20,885 INFO L140 encePairwiseOnDemand]: 142/156 looper letters, 58 selfloop transitions, 47 changer transitions 8/214 dead transitions. [2023-11-26 11:58:20,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 214 transitions, 886 flow [2023-11-26 11:58:20,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:58:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:58:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 778 transitions. [2023-11-26 11:58:20,891 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8311965811965812 [2023-11-26 11:58:20,891 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 778 transitions. [2023-11-26 11:58:20,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 778 transitions. [2023-11-26 11:58:20,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:20,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 778 transitions. [2023-11-26 11:58:20,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.66666666666666) internal successors, (778), 6 states have internal predecessors, (778), 0 states have call successors, (0), 0 states 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 11:58:20,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states 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 11:58:20,898 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states 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 11:58:20,898 INFO L175 Difference]: Start difference. First operand has 149 places, 148 transitions, 430 flow. Second operand 6 states and 778 transitions. [2023-11-26 11:58:20,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 214 transitions, 886 flow [2023-11-26 11:58:20,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 214 transitions, 865 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:58:20,907 INFO L231 Difference]: Finished difference. Result has 152 places, 190 transitions, 809 flow [2023-11-26 11:58:20,907 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=421, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=809, PETRI_PLACES=152, PETRI_TRANSITIONS=190} [2023-11-26 11:58:20,910 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 13 predicate places. [2023-11-26 11:58:20,910 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 190 transitions, 809 flow [2023-11-26 11:58:20,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 117.0) internal successors, (702), 6 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:58:20,911 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:20,911 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] [2023-11-26 11:58:20,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:58:20,912 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:20,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:20,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1035828837, now seen corresponding path program 1 times [2023-11-26 11:58:20,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:20,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927779596] [2023-11-26 11:58:20,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:20,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:21,443 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 11:58:21,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:21,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927779596] [2023-11-26 11:58:21,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927779596] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:21,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:21,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:58:21,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777908268] [2023-11-26 11:58:21,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:21,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:58:21,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:21,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:58:21,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:58:21,617 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 156 [2023-11-26 11:58:21,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 190 transitions, 809 flow. Second operand has 6 states, 6 states have (on average 105.5) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 0 states 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 11:58:21,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:21,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 156 [2023-11-26 11:58:21,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:21,954 INFO L124 PetriNetUnfolderBase]: 252/950 cut-off events. [2023-11-26 11:58:21,954 INFO L125 PetriNetUnfolderBase]: For 826/844 co-relation queries the response was YES. [2023-11-26 11:58:21,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2614 conditions, 950 events. 252/950 cut-off events. For 826/844 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4475 event pairs, 86 based on Foata normal form. 0/935 useless extension candidates. Maximal degree in co-relation 2558. Up to 556 conditions per place. [2023-11-26 11:58:21,965 INFO L140 encePairwiseOnDemand]: 145/156 looper letters, 96 selfloop transitions, 29 changer transitions 7/217 dead transitions. [2023-11-26 11:58:21,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 217 transitions, 1235 flow [2023-11-26 11:58:21,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:58:21,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:58:21,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 671 transitions. [2023-11-26 11:58:21,970 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7168803418803419 [2023-11-26 11:58:21,970 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 671 transitions. [2023-11-26 11:58:21,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 671 transitions. [2023-11-26 11:58:21,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:21,971 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 671 transitions. [2023-11-26 11:58:21,974 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 111.83333333333333) internal successors, (671), 6 states have internal predecessors, (671), 0 states have call successors, (0), 0 states 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 11:58:21,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states 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 11:58:21,978 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 156.0) internal successors, (1092), 7 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states 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 11:58:21,978 INFO L175 Difference]: Start difference. First operand has 152 places, 190 transitions, 809 flow. Second operand 6 states and 671 transitions. [2023-11-26 11:58:21,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 217 transitions, 1235 flow [2023-11-26 11:58:21,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 217 transitions, 1217 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-11-26 11:58:22,000 INFO L231 Difference]: Finished difference. Result has 162 places, 210 transitions, 1045 flow [2023-11-26 11:58:22,001 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1045, PETRI_PLACES=162, PETRI_TRANSITIONS=210} [2023-11-26 11:58:22,005 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 23 predicate places. [2023-11-26 11:58:22,005 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 210 transitions, 1045 flow [2023-11-26 11:58:22,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 105.5) internal successors, (633), 6 states have internal predecessors, (633), 0 states have call successors, (0), 0 states 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 11:58:22,006 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:22,006 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] [2023-11-26 11:58:22,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:58:22,007 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:22,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:22,007 INFO L85 PathProgramCache]: Analyzing trace with hash 632519757, now seen corresponding path program 1 times [2023-11-26 11:58:22,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:22,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016106804] [2023-11-26 11:58:22,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:22,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:22,969 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 11:58:22,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:22,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016106804] [2023-11-26 11:58:22,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016106804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:22,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:22,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-26 11:58:22,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232423006] [2023-11-26 11:58:22,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:22,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-26 11:58:22,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:22,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 11:58:22,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:58:23,643 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 156 [2023-11-26 11:58:23,645 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 210 transitions, 1045 flow. Second operand has 12 states, 12 states have (on average 94.33333333333333) internal successors, (1132), 12 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states 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 11:58:23,645 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:23,645 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 156 [2023-11-26 11:58:23,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:24,273 INFO L124 PetriNetUnfolderBase]: 255/923 cut-off events. [2023-11-26 11:58:24,274 INFO L125 PetriNetUnfolderBase]: For 1533/1543 co-relation queries the response was YES. [2023-11-26 11:58:24,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2854 conditions, 923 events. 255/923 cut-off events. For 1533/1543 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4121 event pairs, 42 based on Foata normal form. 9/929 useless extension candidates. Maximal degree in co-relation 2790. Up to 416 conditions per place. [2023-11-26 11:58:24,285 INFO L140 encePairwiseOnDemand]: 145/156 looper letters, 145 selfloop transitions, 30 changer transitions 0/256 dead transitions. [2023-11-26 11:58:24,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 256 transitions, 1719 flow [2023-11-26 11:58:24,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 11:58:24,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-26 11:58:24,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1099 transitions. [2023-11-26 11:58:24,291 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6404428904428905 [2023-11-26 11:58:24,291 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1099 transitions. [2023-11-26 11:58:24,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1099 transitions. [2023-11-26 11:58:24,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:24,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1099 transitions. [2023-11-26 11:58:24,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 99.9090909090909) internal successors, (1099), 11 states have internal predecessors, (1099), 0 states have call successors, (0), 0 states 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 11:58:24,301 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 156.0) internal successors, (1872), 12 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states 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 11:58:24,302 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 156.0) internal successors, (1872), 12 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states 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 11:58:24,302 INFO L175 Difference]: Start difference. First operand has 162 places, 210 transitions, 1045 flow. Second operand 11 states and 1099 transitions. [2023-11-26 11:58:24,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 256 transitions, 1719 flow [2023-11-26 11:58:24,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 256 transitions, 1655 flow, removed 28 selfloop flow, removed 1 redundant places. [2023-11-26 11:58:24,358 INFO L231 Difference]: Finished difference. Result has 170 places, 209 transitions, 1039 flow [2023-11-26 11:58:24,360 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=979, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1039, PETRI_PLACES=170, PETRI_TRANSITIONS=209} [2023-11-26 11:58:24,361 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 31 predicate places. [2023-11-26 11:58:24,361 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 209 transitions, 1039 flow [2023-11-26 11:58:24,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 94.33333333333333) internal successors, (1132), 12 states have internal predecessors, (1132), 0 states have call successors, (0), 0 states 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 11:58:24,365 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:24,365 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] [2023-11-26 11:58:24,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:58:24,366 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:24,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:24,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1314671840, now seen corresponding path program 1 times [2023-11-26 11:58:24,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:24,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529360] [2023-11-26 11:58:24,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:24,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:25,287 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 11:58:25,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:25,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529360] [2023-11-26 11:58:25,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:25,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:25,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:58:25,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561398965] [2023-11-26 11:58:25,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:25,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:58:25,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:25,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:58:25,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:58:26,708 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 156 [2023-11-26 11:58:26,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 209 transitions, 1039 flow. Second operand has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:26,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:26,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 156 [2023-11-26 11:58:26,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:27,573 INFO L124 PetriNetUnfolderBase]: 234/985 cut-off events. [2023-11-26 11:58:27,574 INFO L125 PetriNetUnfolderBase]: For 1419/1546 co-relation queries the response was YES. [2023-11-26 11:58:27,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2934 conditions, 985 events. 234/985 cut-off events. For 1419/1546 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4868 event pairs, 21 based on Foata normal form. 52/1023 useless extension candidates. Maximal degree in co-relation 2867. Up to 300 conditions per place. [2023-11-26 11:58:27,583 INFO L140 encePairwiseOnDemand]: 137/156 looper letters, 89 selfloop transitions, 55 changer transitions 29/272 dead transitions. [2023-11-26 11:58:27,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 272 transitions, 1710 flow [2023-11-26 11:58:27,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:58:27,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-26 11:58:27,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1428 transitions. [2023-11-26 11:58:27,588 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7628205128205128 [2023-11-26 11:58:27,589 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1428 transitions. [2023-11-26 11:58:27,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1428 transitions. [2023-11-26 11:58:27,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:27,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1428 transitions. [2023-11-26 11:58:27,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 119.0) internal successors, (1428), 12 states have internal predecessors, (1428), 0 states have call successors, (0), 0 states 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 11:58:27,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:58:27,601 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:58:27,601 INFO L175 Difference]: Start difference. First operand has 170 places, 209 transitions, 1039 flow. Second operand 12 states and 1428 transitions. [2023-11-26 11:58:27,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 272 transitions, 1710 flow [2023-11-26 11:58:27,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 272 transitions, 1624 flow, removed 0 selfloop flow, removed 10 redundant places. [2023-11-26 11:58:27,618 INFO L231 Difference]: Finished difference. Result has 178 places, 217 transitions, 1302 flow [2023-11-26 11:58:27,619 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=979, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1302, PETRI_PLACES=178, PETRI_TRANSITIONS=217} [2023-11-26 11:58:27,619 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 39 predicate places. [2023-11-26 11:58:27,620 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 217 transitions, 1302 flow [2023-11-26 11:58:27,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:27,621 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:27,621 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] [2023-11-26 11:58:27,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:58:27,621 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:27,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:27,622 INFO L85 PathProgramCache]: Analyzing trace with hash -2032101030, now seen corresponding path program 2 times [2023-11-26 11:58:27,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:27,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551910585] [2023-11-26 11:58:27,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:27,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:28,376 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 11:58:28,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:28,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551910585] [2023-11-26 11:58:28,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551910585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:28,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:28,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:58:28,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903275811] [2023-11-26 11:58:28,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:28,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:58:28,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:28,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:58:28,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:58:29,685 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 156 [2023-11-26 11:58:29,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 217 transitions, 1302 flow. Second operand has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:29,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:29,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 156 [2023-11-26 11:58:29,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:30,617 INFO L124 PetriNetUnfolderBase]: 319/1168 cut-off events. [2023-11-26 11:58:30,617 INFO L125 PetriNetUnfolderBase]: For 2774/2908 co-relation queries the response was YES. [2023-11-26 11:58:30,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3976 conditions, 1168 events. 319/1168 cut-off events. For 2774/2908 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 6066 event pairs, 16 based on Foata normal form. 92/1256 useless extension candidates. Maximal degree in co-relation 3902. Up to 243 conditions per place. [2023-11-26 11:58:30,630 INFO L140 encePairwiseOnDemand]: 145/156 looper letters, 172 selfloop transitions, 51 changer transitions 24/346 dead transitions. [2023-11-26 11:58:30,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 346 transitions, 2664 flow [2023-11-26 11:58:30,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:58:30,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-26 11:58:30,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1416 transitions. [2023-11-26 11:58:30,636 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7564102564102564 [2023-11-26 11:58:30,637 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1416 transitions. [2023-11-26 11:58:30,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1416 transitions. [2023-11-26 11:58:30,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:30,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1416 transitions. [2023-11-26 11:58:30,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 118.0) internal successors, (1416), 12 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states 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 11:58:30,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:58:30,649 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:58:30,649 INFO L175 Difference]: Start difference. First operand has 178 places, 217 transitions, 1302 flow. Second operand 12 states and 1416 transitions. [2023-11-26 11:58:30,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 346 transitions, 2664 flow [2023-11-26 11:58:30,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 346 transitions, 2655 flow, removed 1 selfloop flow, removed 5 redundant places. [2023-11-26 11:58:30,679 INFO L231 Difference]: Finished difference. Result has 188 places, 248 transitions, 1792 flow [2023-11-26 11:58:30,679 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=1293, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1792, PETRI_PLACES=188, PETRI_TRANSITIONS=248} [2023-11-26 11:58:30,680 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 49 predicate places. [2023-11-26 11:58:30,680 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 248 transitions, 1792 flow [2023-11-26 11:58:30,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:30,682 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:30,682 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] [2023-11-26 11:58:30,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:58:30,682 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:30,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:30,683 INFO L85 PathProgramCache]: Analyzing trace with hash -2044804004, now seen corresponding path program 3 times [2023-11-26 11:58:30,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:30,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85622294] [2023-11-26 11:58:30,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:30,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:31,514 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 11:58:31,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:31,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85622294] [2023-11-26 11:58:31,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85622294] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:31,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:31,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:58:31,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221640492] [2023-11-26 11:58:31,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:31,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:58:31,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:31,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:58:31,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:58:32,886 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 156 [2023-11-26 11:58:32,889 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 248 transitions, 1792 flow. Second operand has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:32,889 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:32,889 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 156 [2023-11-26 11:58:32,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:33,985 INFO L124 PetriNetUnfolderBase]: 340/1332 cut-off events. [2023-11-26 11:58:33,985 INFO L125 PetriNetUnfolderBase]: For 4954/5156 co-relation queries the response was YES. [2023-11-26 11:58:33,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5108 conditions, 1332 events. 340/1332 cut-off events. For 4954/5156 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7576 event pairs, 18 based on Foata normal form. 115/1437 useless extension candidates. Maximal degree in co-relation 5029. Up to 432 conditions per place. [2023-11-26 11:58:33,999 INFO L140 encePairwiseOnDemand]: 137/156 looper letters, 128 selfloop transitions, 58 changer transitions 48/333 dead transitions. [2023-11-26 11:58:33,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 333 transitions, 2772 flow [2023-11-26 11:58:34,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:58:34,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-26 11:58:34,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1439 transitions. [2023-11-26 11:58:34,005 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7686965811965812 [2023-11-26 11:58:34,005 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1439 transitions. [2023-11-26 11:58:34,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1439 transitions. [2023-11-26 11:58:34,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:34,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1439 transitions. [2023-11-26 11:58:34,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 119.91666666666667) internal successors, (1439), 12 states have internal predecessors, (1439), 0 states have call successors, (0), 0 states 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 11:58:34,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:58:34,017 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:58:34,018 INFO L175 Difference]: Start difference. First operand has 188 places, 248 transitions, 1792 flow. Second operand 12 states and 1439 transitions. [2023-11-26 11:58:34,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 333 transitions, 2772 flow [2023-11-26 11:58:34,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 333 transitions, 2760 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 11:58:34,074 INFO L231 Difference]: Finished difference. Result has 198 places, 248 transitions, 1979 flow [2023-11-26 11:58:34,075 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=1783, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1979, PETRI_PLACES=198, PETRI_TRANSITIONS=248} [2023-11-26 11:58:34,077 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 59 predicate places. [2023-11-26 11:58:34,077 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 248 transitions, 1979 flow [2023-11-26 11:58:34,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:34,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:34,079 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] [2023-11-26 11:58:34,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:58:34,079 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:34,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:34,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1457444540, now seen corresponding path program 4 times [2023-11-26 11:58:34,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:34,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938897519] [2023-11-26 11:58:34,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:34,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:34,821 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 11:58:34,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:34,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938897519] [2023-11-26 11:58:34,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938897519] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:34,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:34,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:58:34,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124341670] [2023-11-26 11:58:34,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:34,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:58:34,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:34,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:58:34,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:58:35,963 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 156 [2023-11-26 11:58:35,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 248 transitions, 1979 flow. Second operand has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:35,966 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:35,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 156 [2023-11-26 11:58:35,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:36,964 INFO L124 PetriNetUnfolderBase]: 309/1251 cut-off events. [2023-11-26 11:58:36,964 INFO L125 PetriNetUnfolderBase]: For 6154/6388 co-relation queries the response was YES. [2023-11-26 11:58:36,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5177 conditions, 1251 events. 309/1251 cut-off events. For 6154/6388 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7055 event pairs, 26 based on Foata normal form. 117/1353 useless extension candidates. Maximal degree in co-relation 5093. Up to 425 conditions per place. [2023-11-26 11:58:36,979 INFO L140 encePairwiseOnDemand]: 137/156 looper letters, 105 selfloop transitions, 65 changer transitions 27/296 dead transitions. [2023-11-26 11:58:36,979 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 296 transitions, 2611 flow [2023-11-26 11:58:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 11:58:36,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-26 11:58:36,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1310 transitions. [2023-11-26 11:58:36,984 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7634032634032634 [2023-11-26 11:58:36,985 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1310 transitions. [2023-11-26 11:58:36,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1310 transitions. [2023-11-26 11:58:36,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:36,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1310 transitions. [2023-11-26 11:58:36,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 119.0909090909091) internal successors, (1310), 11 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states 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 11:58:36,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 156.0) internal successors, (1872), 12 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states 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 11:58:36,996 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 156.0) internal successors, (1872), 12 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states 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 11:58:36,997 INFO L175 Difference]: Start difference. First operand has 198 places, 248 transitions, 1979 flow. Second operand 11 states and 1310 transitions. [2023-11-26 11:58:36,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 296 transitions, 2611 flow [2023-11-26 11:58:37,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 296 transitions, 2555 flow, removed 5 selfloop flow, removed 6 redundant places. [2023-11-26 11:58:37,055 INFO L231 Difference]: Finished difference. Result has 205 places, 248 transitions, 2078 flow [2023-11-26 11:58:37,055 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=1927, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2078, PETRI_PLACES=205, PETRI_TRANSITIONS=248} [2023-11-26 11:58:37,056 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 66 predicate places. [2023-11-26 11:58:37,056 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 248 transitions, 2078 flow [2023-11-26 11:58:37,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:37,057 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:37,058 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] [2023-11-26 11:58:37,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 11:58:37,058 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:37,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:37,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1993543730, now seen corresponding path program 5 times [2023-11-26 11:58:37,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:37,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211923871] [2023-11-26 11:58:37,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:37,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:37,677 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 11:58:37,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:37,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211923871] [2023-11-26 11:58:37,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211923871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:37,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:37,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:58:37,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981489454] [2023-11-26 11:58:37,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:37,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:58:37,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:37,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:58:37,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:58:38,759 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 156 [2023-11-26 11:58:38,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 248 transitions, 2078 flow. Second operand has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:38,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:38,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 156 [2023-11-26 11:58:38,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:39,853 INFO L124 PetriNetUnfolderBase]: 459/1803 cut-off events. [2023-11-26 11:58:39,853 INFO L125 PetriNetUnfolderBase]: For 10981/11195 co-relation queries the response was YES. [2023-11-26 11:58:39,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7495 conditions, 1803 events. 459/1803 cut-off events. For 10981/11195 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 11481 event pairs, 39 based on Foata normal form. 77/1867 useless extension candidates. Maximal degree in co-relation 7408. Up to 414 conditions per place. [2023-11-26 11:58:39,873 INFO L140 encePairwiseOnDemand]: 137/156 looper letters, 201 selfloop transitions, 80 changer transitions 31/411 dead transitions. [2023-11-26 11:58:39,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 411 transitions, 4079 flow [2023-11-26 11:58:39,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:58:39,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-26 11:58:39,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1440 transitions. [2023-11-26 11:58:39,881 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7692307692307693 [2023-11-26 11:58:39,882 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1440 transitions. [2023-11-26 11:58:39,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1440 transitions. [2023-11-26 11:58:39,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:39,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1440 transitions. [2023-11-26 11:58:39,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 120.0) internal successors, (1440), 12 states have internal predecessors, (1440), 0 states have call successors, (0), 0 states 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 11:58:39,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:58:39,903 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:58:39,903 INFO L175 Difference]: Start difference. First operand has 205 places, 248 transitions, 2078 flow. Second operand 12 states and 1440 transitions. [2023-11-26 11:58:39,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 411 transitions, 4079 flow [2023-11-26 11:58:39,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 411 transitions, 3960 flow, removed 4 selfloop flow, removed 9 redundant places. [2023-11-26 11:58:39,985 INFO L231 Difference]: Finished difference. Result has 211 places, 289 transitions, 2846 flow [2023-11-26 11:58:39,986 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=1995, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2846, PETRI_PLACES=211, PETRI_TRANSITIONS=289} [2023-11-26 11:58:39,987 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 72 predicate places. [2023-11-26 11:58:39,987 INFO L495 AbstractCegarLoop]: Abstraction has has 211 places, 289 transitions, 2846 flow [2023-11-26 11:58:39,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:39,988 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:39,988 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] [2023-11-26 11:58:39,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 11:58:39,989 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:39,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:39,989 INFO L85 PathProgramCache]: Analyzing trace with hash -685565158, now seen corresponding path program 6 times [2023-11-26 11:58:39,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:39,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893650832] [2023-11-26 11:58:39,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:39,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:40,643 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 11:58:40,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:40,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893650832] [2023-11-26 11:58:40,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893650832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:40,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:40,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:58:40,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142461533] [2023-11-26 11:58:40,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:40,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:58:40,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:40,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:58:40,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:58:41,940 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 156 [2023-11-26 11:58:41,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 289 transitions, 2846 flow. Second operand has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:41,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:41,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 156 [2023-11-26 11:58:41,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:43,247 INFO L124 PetriNetUnfolderBase]: 472/1884 cut-off events. [2023-11-26 11:58:43,247 INFO L125 PetriNetUnfolderBase]: For 15473/15733 co-relation queries the response was YES. [2023-11-26 11:58:43,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8257 conditions, 1884 events. 472/1884 cut-off events. For 15473/15733 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 12472 event pairs, 47 based on Foata normal form. 148/2015 useless extension candidates. Maximal degree in co-relation 8165. Up to 673 conditions per place. [2023-11-26 11:58:43,270 INFO L140 encePairwiseOnDemand]: 137/156 looper letters, 148 selfloop transitions, 84 changer transitions 41/372 dead transitions. [2023-11-26 11:58:43,270 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 372 transitions, 3994 flow [2023-11-26 11:58:43,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 11:58:43,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-26 11:58:43,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1544 transitions. [2023-11-26 11:58:43,275 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7613412228796844 [2023-11-26 11:58:43,276 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1544 transitions. [2023-11-26 11:58:43,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1544 transitions. [2023-11-26 11:58:43,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:43,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1544 transitions. [2023-11-26 11:58:43,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 118.76923076923077) internal successors, (1544), 13 states have internal predecessors, (1544), 0 states have call successors, (0), 0 states 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 11:58:43,288 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 156.0) internal successors, (2184), 14 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states 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 11:58:43,289 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 156.0) internal successors, (2184), 14 states have internal predecessors, (2184), 0 states have call successors, (0), 0 states 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 11:58:43,289 INFO L175 Difference]: Start difference. First operand has 211 places, 289 transitions, 2846 flow. Second operand 13 states and 1544 transitions. [2023-11-26 11:58:43,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 372 transitions, 3994 flow [2023-11-26 11:58:43,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 372 transitions, 3889 flow, removed 45 selfloop flow, removed 5 redundant places. [2023-11-26 11:58:43,432 INFO L231 Difference]: Finished difference. Result has 225 places, 296 transitions, 3197 flow [2023-11-26 11:58:43,433 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=2747, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3197, PETRI_PLACES=225, PETRI_TRANSITIONS=296} [2023-11-26 11:58:43,435 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 86 predicate places. [2023-11-26 11:58:43,435 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 296 transitions, 3197 flow [2023-11-26 11:58:43,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:43,436 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:43,436 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] [2023-11-26 11:58:43,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 11:58:43,438 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:43,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:43,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1277921802, now seen corresponding path program 7 times [2023-11-26 11:58:43,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:43,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767008505] [2023-11-26 11:58:43,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:43,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:44,097 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 11:58:44,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:44,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767008505] [2023-11-26 11:58:44,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767008505] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:44,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:44,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:58:44,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975769960] [2023-11-26 11:58:44,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:44,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:58:44,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:44,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:58:44,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:58:45,016 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 156 [2023-11-26 11:58:45,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 296 transitions, 3197 flow. Second operand has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:45,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:45,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 156 [2023-11-26 11:58:45,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:46,046 INFO L124 PetriNetUnfolderBase]: 419/1783 cut-off events. [2023-11-26 11:58:46,046 INFO L125 PetriNetUnfolderBase]: For 17464/17702 co-relation queries the response was YES. [2023-11-26 11:58:46,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8068 conditions, 1783 events. 419/1783 cut-off events. For 17464/17702 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 11813 event pairs, 34 based on Foata normal form. 122/1895 useless extension candidates. Maximal degree in co-relation 7970. Up to 564 conditions per place. [2023-11-26 11:58:46,065 INFO L140 encePairwiseOnDemand]: 137/156 looper letters, 183 selfloop transitions, 81 changer transitions 38/401 dead transitions. [2023-11-26 11:58:46,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 235 places, 401 transitions, 4611 flow [2023-11-26 11:58:46,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:58:46,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-26 11:58:46,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1437 transitions. [2023-11-26 11:58:46,069 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7676282051282052 [2023-11-26 11:58:46,069 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1437 transitions. [2023-11-26 11:58:46,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1437 transitions. [2023-11-26 11:58:46,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:46,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1437 transitions. [2023-11-26 11:58:46,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 119.75) internal successors, (1437), 12 states have internal predecessors, (1437), 0 states have call successors, (0), 0 states 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 11:58:46,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:58:46,077 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:58:46,078 INFO L175 Difference]: Start difference. First operand has 225 places, 296 transitions, 3197 flow. Second operand 12 states and 1437 transitions. [2023-11-26 11:58:46,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 235 places, 401 transitions, 4611 flow [2023-11-26 11:58:46,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 401 transitions, 4416 flow, removed 18 selfloop flow, removed 8 redundant places. [2023-11-26 11:58:46,202 INFO L231 Difference]: Finished difference. Result has 232 places, 315 transitions, 3571 flow [2023-11-26 11:58:46,203 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=3017, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=3571, PETRI_PLACES=232, PETRI_TRANSITIONS=315} [2023-11-26 11:58:46,203 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 93 predicate places. [2023-11-26 11:58:46,204 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 315 transitions, 3571 flow [2023-11-26 11:58:46,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:46,204 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:46,204 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] [2023-11-26 11:58:46,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 11:58:46,205 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:46,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:46,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1941900996, now seen corresponding path program 8 times [2023-11-26 11:58:46,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:46,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749646179] [2023-11-26 11:58:46,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:46,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:46,865 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 11:58:46,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:46,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749646179] [2023-11-26 11:58:46,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749646179] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:46,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:46,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:58:46,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032721048] [2023-11-26 11:58:46,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:46,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:58:46,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:46,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:58:46,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:58:48,168 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 156 [2023-11-26 11:58:48,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 315 transitions, 3571 flow. Second operand has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:48,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:48,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 156 [2023-11-26 11:58:48,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:49,420 INFO L124 PetriNetUnfolderBase]: 519/2230 cut-off events. [2023-11-26 11:58:49,421 INFO L125 PetriNetUnfolderBase]: For 27637/27922 co-relation queries the response was YES. [2023-11-26 11:58:49,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10112 conditions, 2230 events. 519/2230 cut-off events. For 27637/27922 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 16023 event pairs, 50 based on Foata normal form. 124/2343 useless extension candidates. Maximal degree in co-relation 10009. Up to 627 conditions per place. [2023-11-26 11:58:49,446 INFO L140 encePairwiseOnDemand]: 137/156 looper letters, 213 selfloop transitions, 99 changer transitions 27/438 dead transitions. [2023-11-26 11:58:49,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 438 transitions, 5397 flow [2023-11-26 11:58:49,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:58:49,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-26 11:58:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1435 transitions. [2023-11-26 11:58:49,450 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7665598290598291 [2023-11-26 11:58:49,450 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1435 transitions. [2023-11-26 11:58:49,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1435 transitions. [2023-11-26 11:58:49,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:49,451 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1435 transitions. [2023-11-26 11:58:49,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 119.58333333333333) internal successors, (1435), 12 states have internal predecessors, (1435), 0 states have call successors, (0), 0 states 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 11:58:49,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:58:49,458 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:58:49,459 INFO L175 Difference]: Start difference. First operand has 232 places, 315 transitions, 3571 flow. Second operand 12 states and 1435 transitions. [2023-11-26 11:58:49,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 438 transitions, 5397 flow [2023-11-26 11:58:49,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 438 transitions, 5257 flow, removed 46 selfloop flow, removed 6 redundant places. [2023-11-26 11:58:49,634 INFO L231 Difference]: Finished difference. Result has 243 places, 344 transitions, 4283 flow [2023-11-26 11:58:49,635 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=3444, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4283, PETRI_PLACES=243, PETRI_TRANSITIONS=344} [2023-11-26 11:58:49,637 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 104 predicate places. [2023-11-26 11:58:49,637 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 344 transitions, 4283 flow [2023-11-26 11:58:49,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:49,638 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:49,638 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] [2023-11-26 11:58:49,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 11:58:49,638 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:49,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:49,639 INFO L85 PathProgramCache]: Analyzing trace with hash -278298470, now seen corresponding path program 9 times [2023-11-26 11:58:49,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:49,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831807950] [2023-11-26 11:58:49,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:49,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:50,266 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 11:58:50,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:50,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831807950] [2023-11-26 11:58:50,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831807950] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:50,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:50,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-26 11:58:50,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976299647] [2023-11-26 11:58:50,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:50,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-26 11:58:50,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:50,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-26 11:58:50,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-26 11:58:51,440 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 156 [2023-11-26 11:58:51,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 344 transitions, 4283 flow. Second operand has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:51,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:51,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 156 [2023-11-26 11:58:51,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:52,529 INFO L124 PetriNetUnfolderBase]: 567/2464 cut-off events. [2023-11-26 11:58:52,529 INFO L125 PetriNetUnfolderBase]: For 36332/36686 co-relation queries the response was YES. [2023-11-26 11:58:52,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11669 conditions, 2464 events. 567/2464 cut-off events. For 36332/36686 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 18371 event pairs, 63 based on Foata normal form. 126/2575 useless extension candidates. Maximal degree in co-relation 11561. Up to 454 conditions per place. [2023-11-26 11:58:52,555 INFO L140 encePairwiseOnDemand]: 137/156 looper letters, 235 selfloop transitions, 103 changer transitions 30/467 dead transitions. [2023-11-26 11:58:52,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 467 transitions, 6103 flow [2023-11-26 11:58:52,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:58:52,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-26 11:58:52,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1435 transitions. [2023-11-26 11:58:52,564 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7665598290598291 [2023-11-26 11:58:52,564 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1435 transitions. [2023-11-26 11:58:52,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1435 transitions. [2023-11-26 11:58:52,565 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:52,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1435 transitions. [2023-11-26 11:58:52,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 119.58333333333333) internal successors, (1435), 12 states have internal predecessors, (1435), 0 states have call successors, (0), 0 states 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 11:58:52,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:58:52,571 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 156.0) internal successors, (2028), 13 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:58:52,572 INFO L175 Difference]: Start difference. First operand has 243 places, 344 transitions, 4283 flow. Second operand 12 states and 1435 transitions. [2023-11-26 11:58:52,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 467 transitions, 6103 flow [2023-11-26 11:58:52,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 467 transitions, 5883 flow, removed 76 selfloop flow, removed 5 redundant places. [2023-11-26 11:58:52,848 INFO L231 Difference]: Finished difference. Result has 256 places, 370 transitions, 4939 flow [2023-11-26 11:58:52,848 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=156, PETRI_DIFFERENCE_MINUEND_FLOW=4071, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=77, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=4939, PETRI_PLACES=256, PETRI_TRANSITIONS=370} [2023-11-26 11:58:52,849 INFO L281 CegarLoopForPetriNet]: 139 programPoint places, 117 predicate places. [2023-11-26 11:58:52,849 INFO L495 AbstractCegarLoop]: Abstraction has has 256 places, 370 transitions, 4939 flow [2023-11-26 11:58:52,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 110.46153846153847) internal successors, (1436), 13 states have internal predecessors, (1436), 0 states have call successors, (0), 0 states 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 11:58:52,850 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:52,850 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] [2023-11-26 11:58:52,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 11:58:52,851 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-26 11:58:52,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:52,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1541238766, now seen corresponding path program 10 times [2023-11-26 11:58:52,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:52,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864604599] [2023-11-26 11:58:52,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:52,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat