./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:10:08,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:10:08,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 22:10:08,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:10:08,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:10:08,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:10:08,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:10:08,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:10:08,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:10:08,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:10:08,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:10:08,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:10:08,969 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:10:08,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:10:08,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:10:08,972 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:10:08,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:10:08,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:10:08,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:10:08,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:10:08,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:10:08,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:10:08,976 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 22:10:08,977 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:10:08,977 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:10:08,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:10:08,978 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:10:08,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:10:08,980 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:10:08,980 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:10:08,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:10:08,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:10:08,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:10:08,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:10:08,983 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:10:08,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:10:08,984 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:10:08,984 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:10:08,984 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:10:08,985 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:10:08,985 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:10:08,985 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_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71c523f20411078d17c9943b891d34ddfc00131917c4009fb579cdffacef23c [2023-11-21 22:10:09,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:10:09,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:10:09,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:10:09,416 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:10:09,416 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:10:09,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2023-11-21 22:10:12,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:10:12,952 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:10:12,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2023-11-21 22:10:12,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/data/9466fe79f/8e86caaa97784abd898ec79051cfc5a9/FLAG9019c7033 [2023-11-21 22:10:13,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/data/9466fe79f/8e86caaa97784abd898ec79051cfc5a9 [2023-11-21 22:10:13,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:10:13,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:10:13,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:10:13,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:10:13,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:10:13,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:13" (1/1) ... [2023-11-21 22:10:13,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5615bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:13, skipping insertion in model container [2023-11-21 22:10:13,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:10:13" (1/1) ... [2023-11-21 22:10:13,104 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:10:13,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:10:13,746 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:10:13,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:10:13,922 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:10:13,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:13 WrapperNode [2023-11-21 22:10:13,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:10:13,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:10:13,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:10:13,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:10:13,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:13" (1/1) ... [2023-11-21 22:10:13,983 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:13" (1/1) ... [2023-11-21 22:10:14,030 INFO L138 Inliner]: procedures = 264, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 87 [2023-11-21 22:10:14,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:10:14,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:10:14,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:10:14,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:10:14,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:13" (1/1) ... [2023-11-21 22:10:14,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:13" (1/1) ... [2023-11-21 22:10:14,064 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:13" (1/1) ... [2023-11-21 22:10:14,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:13" (1/1) ... [2023-11-21 22:10:14,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:13" (1/1) ... [2023-11-21 22:10:14,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:13" (1/1) ... [2023-11-21 22:10:14,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:13" (1/1) ... [2023-11-21 22:10:14,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:13" (1/1) ... [2023-11-21 22:10:14,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:10:14,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:10:14,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:10:14,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:10:14,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:13" (1/1) ... [2023-11-21 22:10:14,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:10:14,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:10:14,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:10:14,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:10:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:10:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:10:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 22:10:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:10:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:10:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 22:10:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:10:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-21 22:10:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-21 22:10:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:10:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:10:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:10:14,234 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 22:10:14,440 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:10:14,443 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:10:14,843 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:10:14,883 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:10:14,888 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:10:14,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:14 BoogieIcfgContainer [2023-11-21 22:10:14,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:10:14,893 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:10:14,893 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:10:14,896 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:10:14,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:10:13" (1/3) ... [2023-11-21 22:10:14,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58740516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:10:14, skipping insertion in model container [2023-11-21 22:10:14,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:10:13" (2/3) ... [2023-11-21 22:10:14,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58740516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:10:14, skipping insertion in model container [2023-11-21 22:10:14,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:14" (3/3) ... [2023-11-21 22:10:14,900 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i [2023-11-21 22:10:14,911 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 22:10:14,924 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:10:14,925 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-21 22:10:14,925 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 22:10:15,046 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-21 22:10:15,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 117 transitions, 241 flow [2023-11-21 22:10:15,189 INFO L124 PetriNetUnfolderBase]: 1/116 cut-off events. [2023-11-21 22:10:15,190 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-21 22:10:15,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 116 events. 1/116 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 95 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 6. Up to 2 conditions per place. [2023-11-21 22:10:15,194 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 117 transitions, 241 flow [2023-11-21 22:10:15,199 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 99 transitions, 201 flow [2023-11-21 22:10:15,209 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:10:15,221 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;@3c1a0703, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:10:15,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-11-21 22:10:15,237 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 22:10:15,238 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2023-11-21 22:10:15,238 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:10:15,238 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:15,239 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] [2023-11-21 22:10:15,239 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:15,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:15,246 INFO L85 PathProgramCache]: Analyzing trace with hash 795128904, now seen corresponding path program 1 times [2023-11-21 22:10:15,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:15,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290502343] [2023-11-21 22:10:15,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:15,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:16,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:16,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:16,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290502343] [2023-11-21 22:10:16,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290502343] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:16,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:16,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:10:16,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795547994] [2023-11-21 22:10:16,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:16,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:10:16,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:16,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:10:16,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:10:16,850 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 117 [2023-11-21 22:10:16,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 99 transitions, 201 flow. Second operand has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:16,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:16,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 117 [2023-11-21 22:10:16,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:17,123 INFO L124 PetriNetUnfolderBase]: 96/435 cut-off events. [2023-11-21 22:10:17,123 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-21 22:10:17,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 664 conditions, 435 events. 96/435 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2087 event pairs, 34 based on Foata normal form. 0/407 useless extension candidates. Maximal degree in co-relation 612. Up to 165 conditions per place. [2023-11-21 22:10:17,134 INFO L140 encePairwiseOnDemand]: 101/117 looper letters, 32 selfloop transitions, 23 changer transitions 0/126 dead transitions. [2023-11-21 22:10:17,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 126 transitions, 365 flow [2023-11-21 22:10:17,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:10:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:10:17,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 567 transitions. [2023-11-21 22:10:17,161 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8076923076923077 [2023-11-21 22:10:17,162 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 567 transitions. [2023-11-21 22:10:17,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 567 transitions. [2023-11-21 22:10:17,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:17,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 567 transitions. [2023-11-21 22:10:17,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 94.5) internal successors, (567), 6 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:17,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:17,195 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:17,196 INFO L175 Difference]: Start difference. First operand has 103 places, 99 transitions, 201 flow. Second operand 6 states and 567 transitions. [2023-11-21 22:10:17,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 126 transitions, 365 flow [2023-11-21 22:10:17,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 126 transitions, 364 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:10:17,206 INFO L231 Difference]: Finished difference. Result has 111 places, 117 transitions, 350 flow [2023-11-21 22:10:17,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=350, PETRI_PLACES=111, PETRI_TRANSITIONS=117} [2023-11-21 22:10:17,212 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 8 predicate places. [2023-11-21 22:10:17,213 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 117 transitions, 350 flow [2023-11-21 22:10:17,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.16666666666667) internal successors, (517), 6 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:17,214 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:17,214 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] [2023-11-21 22:10:17,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:10:17,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:17,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:17,216 INFO L85 PathProgramCache]: Analyzing trace with hash 135077371, now seen corresponding path program 1 times [2023-11-21 22:10:17,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:17,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880715377] [2023-11-21 22:10:17,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:17,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:17,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:17,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:17,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880715377] [2023-11-21 22:10:17,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880715377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:17,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:17,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:10:17,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441920850] [2023-11-21 22:10:17,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:17,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:10:17,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:17,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:10:17,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:10:17,956 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 117 [2023-11-21 22:10:17,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 117 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 96.33333333333333) internal successors, (578), 6 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:17,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:17,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 117 [2023-11-21 22:10:17,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:18,144 INFO L124 PetriNetUnfolderBase]: 129/611 cut-off events. [2023-11-21 22:10:18,144 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES. [2023-11-21 22:10:18,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 611 events. 129/611 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3444 event pairs, 47 based on Foata normal form. 0/568 useless extension candidates. Maximal degree in co-relation 1014. Up to 218 conditions per place. [2023-11-21 22:10:18,152 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 41 selfloop transitions, 23 changer transitions 0/146 dead transitions. [2023-11-21 22:10:18,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 146 transitions, 554 flow [2023-11-21 22:10:18,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:10:18,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:10:18,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 621 transitions. [2023-11-21 22:10:18,155 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8846153846153846 [2023-11-21 22:10:18,155 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 621 transitions. [2023-11-21 22:10:18,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 621 transitions. [2023-11-21 22:10:18,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:18,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 621 transitions. [2023-11-21 22:10:18,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 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) [2023-11-21 22:10:18,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:18,162 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:18,162 INFO L175 Difference]: Start difference. First operand has 111 places, 117 transitions, 350 flow. Second operand 6 states and 621 transitions. [2023-11-21 22:10:18,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 146 transitions, 554 flow [2023-11-21 22:10:18,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 146 transitions, 554 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 22:10:18,170 INFO L231 Difference]: Finished difference. Result has 121 places, 138 transitions, 522 flow [2023-11-21 22:10:18,170 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=522, PETRI_PLACES=121, PETRI_TRANSITIONS=138} [2023-11-21 22:10:18,171 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 18 predicate places. [2023-11-21 22:10:18,171 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 138 transitions, 522 flow [2023-11-21 22:10:18,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.33333333333333) internal successors, (578), 6 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:18,172 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:18,173 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:18,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:10:18,173 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:18,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:18,174 INFO L85 PathProgramCache]: Analyzing trace with hash 379616768, now seen corresponding path program 1 times [2023-11-21 22:10:18,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:18,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109494321] [2023-11-21 22:10:18,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:18,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:18,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:18,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109494321] [2023-11-21 22:10:18,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109494321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:18,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:18,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:10:18,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428671812] [2023-11-21 22:10:18,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:18,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:10:18,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:18,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:10:18,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:10:18,761 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 117 [2023-11-21 22:10:18,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 138 transitions, 522 flow. Second operand has 6 states, 6 states have (on average 84.0) internal successors, (504), 6 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:18,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:18,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 117 [2023-11-21 22:10:18,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:19,087 INFO L124 PetriNetUnfolderBase]: 375/1175 cut-off events. [2023-11-21 22:10:19,088 INFO L125 PetriNetUnfolderBase]: For 586/607 co-relation queries the response was YES. [2023-11-21 22:10:19,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2739 conditions, 1175 events. 375/1175 cut-off events. For 586/607 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 7105 event pairs, 131 based on Foata normal form. 2/1103 useless extension candidates. Maximal degree in co-relation 2673. Up to 672 conditions per place. [2023-11-21 22:10:19,100 INFO L140 encePairwiseOnDemand]: 98/117 looper letters, 79 selfloop transitions, 66 changer transitions 0/209 dead transitions. [2023-11-21 22:10:19,100 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 209 transitions, 1080 flow [2023-11-21 22:10:19,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:10:19,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:10:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 583 transitions. [2023-11-21 22:10:19,103 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8304843304843305 [2023-11-21 22:10:19,103 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 583 transitions. [2023-11-21 22:10:19,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 583 transitions. [2023-11-21 22:10:19,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:19,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 583 transitions. [2023-11-21 22:10:19,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 97.16666666666667) internal successors, (583), 6 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:19,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:19,110 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:19,110 INFO L175 Difference]: Start difference. First operand has 121 places, 138 transitions, 522 flow. Second operand 6 states and 583 transitions. [2023-11-21 22:10:19,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 209 transitions, 1080 flow [2023-11-21 22:10:19,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 209 transitions, 1080 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-21 22:10:19,122 INFO L231 Difference]: Finished difference. Result has 131 places, 201 transitions, 1088 flow [2023-11-21 22:10:19,123 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1088, PETRI_PLACES=131, PETRI_TRANSITIONS=201} [2023-11-21 22:10:19,124 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 28 predicate places. [2023-11-21 22:10:19,124 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 201 transitions, 1088 flow [2023-11-21 22:10:19,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 84.0) internal successors, (504), 6 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:19,125 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:19,125 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:19,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:10:19,125 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:19,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:19,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1279479825, now seen corresponding path program 1 times [2023-11-21 22:10:19,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:19,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270259683] [2023-11-21 22:10:19,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:19,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:19,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:19,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:19,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270259683] [2023-11-21 22:10:19,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270259683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:19,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:19,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:10:19,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533401440] [2023-11-21 22:10:19,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:19,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:10:19,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:19,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:10:19,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:10:19,716 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 117 [2023-11-21 22:10:19,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 201 transitions, 1088 flow. Second operand has 6 states, 6 states have (on average 79.33333333333333) internal successors, (476), 6 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:19,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:19,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 117 [2023-11-21 22:10:19,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:20,120 INFO L124 PetriNetUnfolderBase]: 440/1354 cut-off events. [2023-11-21 22:10:20,120 INFO L125 PetriNetUnfolderBase]: For 1641/1681 co-relation queries the response was YES. [2023-11-21 22:10:20,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3997 conditions, 1354 events. 440/1354 cut-off events. For 1641/1681 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 8581 event pairs, 108 based on Foata normal form. 6/1309 useless extension candidates. Maximal degree in co-relation 3923. Up to 762 conditions per place. [2023-11-21 22:10:20,137 INFO L140 encePairwiseOnDemand]: 102/117 looper letters, 131 selfloop transitions, 67 changer transitions 0/262 dead transitions. [2023-11-21 22:10:20,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 262 transitions, 1838 flow [2023-11-21 22:10:20,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:10:20,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:10:20,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 539 transitions. [2023-11-21 22:10:20,140 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7678062678062678 [2023-11-21 22:10:20,140 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 539 transitions. [2023-11-21 22:10:20,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 539 transitions. [2023-11-21 22:10:20,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:20,141 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 539 transitions. [2023-11-21 22:10:20,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 89.83333333333333) internal successors, (539), 6 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:20,145 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:20,146 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:20,146 INFO L175 Difference]: Start difference. First operand has 131 places, 201 transitions, 1088 flow. Second operand 6 states and 539 transitions. [2023-11-21 22:10:20,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 262 transitions, 1838 flow [2023-11-21 22:10:20,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 262 transitions, 1782 flow, removed 28 selfloop flow, removed 0 redundant places. [2023-11-21 22:10:20,170 INFO L231 Difference]: Finished difference. Result has 141 places, 254 transitions, 1692 flow [2023-11-21 22:10:20,171 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=1038, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1692, PETRI_PLACES=141, PETRI_TRANSITIONS=254} [2023-11-21 22:10:20,172 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 38 predicate places. [2023-11-21 22:10:20,172 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 254 transitions, 1692 flow [2023-11-21 22:10:20,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 79.33333333333333) internal successors, (476), 6 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:20,172 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:20,173 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:20,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:10:20,173 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:20,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:20,174 INFO L85 PathProgramCache]: Analyzing trace with hash 132353764, now seen corresponding path program 1 times [2023-11-21 22:10:20,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:20,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370325752] [2023-11-21 22:10:20,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:20,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:20,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:20,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:20,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370325752] [2023-11-21 22:10:20,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370325752] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:20,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:20,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:10:20,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233597451] [2023-11-21 22:10:20,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:20,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:10:20,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:20,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:10:20,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:10:20,325 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 117 [2023-11-21 22:10:20,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 254 transitions, 1692 flow. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:20,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:20,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 117 [2023-11-21 22:10:20,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:20,382 INFO L124 PetriNetUnfolderBase]: 40/244 cut-off events. [2023-11-21 22:10:20,382 INFO L125 PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES. [2023-11-21 22:10:20,383 INFO L83 FinitePrefix]: Finished finitePrefix Result has 616 conditions, 244 events. 40/244 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 667 event pairs, 4 based on Foata normal form. 2/235 useless extension candidates. Maximal degree in co-relation 543. Up to 62 conditions per place. [2023-11-21 22:10:20,385 INFO L140 encePairwiseOnDemand]: 113/117 looper letters, 2 selfloop transitions, 4 changer transitions 0/121 dead transitions. [2023-11-21 22:10:20,385 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 121 transitions, 532 flow [2023-11-21 22:10:20,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:10:20,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:10:20,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 338 transitions. [2023-11-21 22:10:20,387 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9629629629629629 [2023-11-21 22:10:20,387 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 338 transitions. [2023-11-21 22:10:20,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 338 transitions. [2023-11-21 22:10:20,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:20,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 338 transitions. [2023-11-21 22:10:20,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:20,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:20,391 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:20,392 INFO L175 Difference]: Start difference. First operand has 141 places, 254 transitions, 1692 flow. Second operand 3 states and 338 transitions. [2023-11-21 22:10:20,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 121 transitions, 532 flow [2023-11-21 22:10:20,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 121 transitions, 418 flow, removed 35 selfloop flow, removed 20 redundant places. [2023-11-21 22:10:20,399 INFO L231 Difference]: Finished difference. Result has 120 places, 121 transitions, 414 flow [2023-11-21 22:10:20,400 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=120, PETRI_TRANSITIONS=121} [2023-11-21 22:10:20,400 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 17 predicate places. [2023-11-21 22:10:20,401 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 121 transitions, 414 flow [2023-11-21 22:10:20,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:20,401 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:20,402 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:20,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:10:20,402 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:20,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:20,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1960176251, now seen corresponding path program 1 times [2023-11-21 22:10:20,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:20,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610945242] [2023-11-21 22:10:20,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:20,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:20,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:20,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:20,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610945242] [2023-11-21 22:10:20,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610945242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:20,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:20,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:10:20,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389668855] [2023-11-21 22:10:20,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:20,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:10:20,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:20,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:10:20,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:10:21,231 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 117 [2023-11-21 22:10:21,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 121 transitions, 414 flow. Second operand has 6 states, 6 states have (on average 94.33333333333333) internal successors, (566), 6 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:21,232 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:21,232 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 117 [2023-11-21 22:10:21,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:21,370 INFO L124 PetriNetUnfolderBase]: 85/373 cut-off events. [2023-11-21 22:10:21,370 INFO L125 PetriNetUnfolderBase]: For 166/192 co-relation queries the response was YES. [2023-11-21 22:10:21,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 900 conditions, 373 events. 85/373 cut-off events. For 166/192 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1443 event pairs, 4 based on Foata normal form. 0/361 useless extension candidates. Maximal degree in co-relation 835. Up to 135 conditions per place. [2023-11-21 22:10:21,374 INFO L140 encePairwiseOnDemand]: 107/117 looper letters, 39 selfloop transitions, 28 changer transitions 12/155 dead transitions. [2023-11-21 22:10:21,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 155 transitions, 726 flow [2023-11-21 22:10:21,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:10:21,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-21 22:10:21,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 602 transitions. [2023-11-21 22:10:21,378 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8575498575498576 [2023-11-21 22:10:21,378 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 602 transitions. [2023-11-21 22:10:21,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 602 transitions. [2023-11-21 22:10:21,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:21,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 602 transitions. [2023-11-21 22:10:21,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 100.33333333333333) internal successors, (602), 6 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:21,386 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:21,387 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 117.0) internal successors, (819), 7 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:21,387 INFO L175 Difference]: Start difference. First operand has 120 places, 121 transitions, 414 flow. Second operand 6 states and 602 transitions. [2023-11-21 22:10:21,387 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 155 transitions, 726 flow [2023-11-21 22:10:21,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 155 transitions, 714 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:10:21,394 INFO L231 Difference]: Finished difference. Result has 129 places, 139 transitions, 630 flow [2023-11-21 22:10:21,395 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=630, PETRI_PLACES=129, PETRI_TRANSITIONS=139} [2023-11-21 22:10:21,398 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 26 predicate places. [2023-11-21 22:10:21,398 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 139 transitions, 630 flow [2023-11-21 22:10:21,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.33333333333333) internal successors, (566), 6 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:21,399 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:21,399 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] [2023-11-21 22:10:21,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-21 22:10:21,400 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:21,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:21,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1956684789, now seen corresponding path program 1 times [2023-11-21 22:10:21,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:21,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190921311] [2023-11-21 22:10:21,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:21,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:22,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:22,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190921311] [2023-11-21 22:10:22,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190921311] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:22,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:22,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-21 22:10:22,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012468739] [2023-11-21 22:10:22,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:22,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-21 22:10:22,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:22,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-21 22:10:22,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-21 22:10:22,950 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 117 [2023-11-21 22:10:22,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 139 transitions, 630 flow. Second operand has 12 states, 12 states have (on average 70.75) internal successors, (849), 12 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:22,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:22,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 117 [2023-11-21 22:10:22,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:23,517 INFO L124 PetriNetUnfolderBase]: 128/464 cut-off events. [2023-11-21 22:10:23,517 INFO L125 PetriNetUnfolderBase]: For 413/419 co-relation queries the response was YES. [2023-11-21 22:10:23,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1386 conditions, 464 events. 128/464 cut-off events. For 413/419 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1762 event pairs, 35 based on Foata normal form. 9/470 useless extension candidates. Maximal degree in co-relation 1311. Up to 140 conditions per place. [2023-11-21 22:10:23,524 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 102 selfloop transitions, 30 changer transitions 0/189 dead transitions. [2023-11-21 22:10:23,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 189 transitions, 1184 flow [2023-11-21 22:10:23,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-21 22:10:23,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-21 22:10:23,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 831 transitions. [2023-11-21 22:10:23,529 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6456876456876457 [2023-11-21 22:10:23,530 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 831 transitions. [2023-11-21 22:10:23,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 831 transitions. [2023-11-21 22:10:23,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:23,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 831 transitions. [2023-11-21 22:10:23,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 75.54545454545455) internal successors, (831), 11 states have internal predecessors, (831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:23,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:23,540 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:23,540 INFO L175 Difference]: Start difference. First operand has 129 places, 139 transitions, 630 flow. Second operand 11 states and 831 transitions. [2023-11-21 22:10:23,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 189 transitions, 1184 flow [2023-11-21 22:10:23,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 189 transitions, 1110 flow, removed 25 selfloop flow, removed 9 redundant places. [2023-11-21 22:10:23,552 INFO L231 Difference]: Finished difference. Result has 129 places, 138 transitions, 634 flow [2023-11-21 22:10:23,553 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=634, PETRI_PLACES=129, PETRI_TRANSITIONS=138} [2023-11-21 22:10:23,554 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 26 predicate places. [2023-11-21 22:10:23,554 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 138 transitions, 634 flow [2023-11-21 22:10:23,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 70.75) internal successors, (849), 12 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:23,555 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:23,556 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] [2023-11-21 22:10:23,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-21 22:10:23,556 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:23,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:23,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1921048529, now seen corresponding path program 1 times [2023-11-21 22:10:23,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:23,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469041934] [2023-11-21 22:10:23,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:23,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:24,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:24,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469041934] [2023-11-21 22:10:24,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469041934] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:24,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:24,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-21 22:10:24,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384066384] [2023-11-21 22:10:24,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:24,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-21 22:10:24,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:24,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-21 22:10:24,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-21 22:10:25,475 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-21 22:10:25,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 138 transitions, 634 flow. Second operand has 12 states, 12 states have (on average 84.58333333333333) internal successors, (1015), 12 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:25,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:25,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-21 22:10:25,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:25,991 INFO L124 PetriNetUnfolderBase]: 148/548 cut-off events. [2023-11-21 22:10:25,991 INFO L125 PetriNetUnfolderBase]: For 755/838 co-relation queries the response was YES. [2023-11-21 22:10:25,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1703 conditions, 548 events. 148/548 cut-off events. For 755/838 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2353 event pairs, 4 based on Foata normal form. 30/574 useless extension candidates. Maximal degree in co-relation 1640. Up to 133 conditions per place. [2023-11-21 22:10:25,995 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 52 selfloop transitions, 6 changer transitions 87/217 dead transitions. [2023-11-21 22:10:25,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 217 transitions, 1444 flow [2023-11-21 22:10:25,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-21 22:10:25,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-21 22:10:25,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1156 transitions. [2023-11-21 22:10:26,000 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.760026298487837 [2023-11-21 22:10:26,000 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1156 transitions. [2023-11-21 22:10:26,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1156 transitions. [2023-11-21 22:10:26,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:26,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1156 transitions. [2023-11-21 22:10:26,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 88.92307692307692) internal successors, (1156), 13 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:26,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:26,010 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:26,010 INFO L175 Difference]: Start difference. First operand has 129 places, 138 transitions, 634 flow. Second operand 13 states and 1156 transitions. [2023-11-21 22:10:26,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 217 transitions, 1444 flow [2023-11-21 22:10:26,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 217 transitions, 1326 flow, removed 0 selfloop flow, removed 10 redundant places. [2023-11-21 22:10:26,020 INFO L231 Difference]: Finished difference. Result has 136 places, 117 transitions, 467 flow [2023-11-21 22:10:26,020 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=467, PETRI_PLACES=136, PETRI_TRANSITIONS=117} [2023-11-21 22:10:26,021 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 33 predicate places. [2023-11-21 22:10:26,021 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 117 transitions, 467 flow [2023-11-21 22:10:26,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 84.58333333333333) internal successors, (1015), 12 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:26,022 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:26,022 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] [2023-11-21 22:10:26,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-21 22:10:26,023 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:26,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:26,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1719935341, now seen corresponding path program 2 times [2023-11-21 22:10:26,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:26,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305082227] [2023-11-21 22:10:26,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:26,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:26,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:26,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:26,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305082227] [2023-11-21 22:10:26,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305082227] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:26,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:26,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-21 22:10:26,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500420607] [2023-11-21 22:10:26,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:26,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-21 22:10:26,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:26,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-21 22:10:26,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:10:28,018 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-21 22:10:28,020 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 117 transitions, 467 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:28,020 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:28,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-21 22:10:28,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:28,416 INFO L124 PetriNetUnfolderBase]: 61/311 cut-off events. [2023-11-21 22:10:28,416 INFO L125 PetriNetUnfolderBase]: For 442/475 co-relation queries the response was YES. [2023-11-21 22:10:28,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 895 conditions, 311 events. 61/311 cut-off events. For 442/475 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 871 event pairs, 17 based on Foata normal form. 17/322 useless extension candidates. Maximal degree in co-relation 827. Up to 112 conditions per place. [2023-11-21 22:10:28,420 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 42 selfloop transitions, 12 changer transitions 12/138 dead transitions. [2023-11-21 22:10:28,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 138 transitions, 705 flow [2023-11-21 22:10:28,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-21 22:10:28,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-21 22:10:28,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 965 transitions. [2023-11-21 22:10:28,424 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7498057498057498 [2023-11-21 22:10:28,424 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 965 transitions. [2023-11-21 22:10:28,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 965 transitions. [2023-11-21 22:10:28,426 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:28,426 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 965 transitions. [2023-11-21 22:10:28,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 87.72727272727273) internal successors, (965), 11 states have internal predecessors, (965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:28,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:28,433 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:28,433 INFO L175 Difference]: Start difference. First operand has 136 places, 117 transitions, 467 flow. Second operand 11 states and 965 transitions. [2023-11-21 22:10:28,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 138 transitions, 705 flow [2023-11-21 22:10:28,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 138 transitions, 619 flow, removed 26 selfloop flow, removed 11 redundant places. [2023-11-21 22:10:28,442 INFO L231 Difference]: Finished difference. Result has 133 places, 117 transitions, 430 flow [2023-11-21 22:10:28,443 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=430, PETRI_PLACES=133, PETRI_TRANSITIONS=117} [2023-11-21 22:10:28,444 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 30 predicate places. [2023-11-21 22:10:28,445 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 117 transitions, 430 flow [2023-11-21 22:10:28,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:28,445 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:28,446 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] [2023-11-21 22:10:28,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-21 22:10:28,446 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:28,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:28,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1164448391, now seen corresponding path program 3 times [2023-11-21 22:10:28,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:28,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646236818] [2023-11-21 22:10:28,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:28,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:29,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:29,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:29,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646236818] [2023-11-21 22:10:29,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646236818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:29,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:29,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-21 22:10:29,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158749357] [2023-11-21 22:10:29,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:29,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-21 22:10:29,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:29,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-21 22:10:29,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:10:30,369 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-21 22:10:30,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 117 transitions, 430 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:30,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:30,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-21 22:10:30,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:30,944 INFO L124 PetriNetUnfolderBase]: 134/549 cut-off events. [2023-11-21 22:10:30,944 INFO L125 PetriNetUnfolderBase]: For 810/825 co-relation queries the response was YES. [2023-11-21 22:10:30,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1638 conditions, 549 events. 134/549 cut-off events. For 810/825 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2462 event pairs, 10 based on Foata normal form. 22/567 useless extension candidates. Maximal degree in co-relation 1572. Up to 125 conditions per place. [2023-11-21 22:10:30,949 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 96 selfloop transitions, 24 changer transitions 12/204 dead transitions. [2023-11-21 22:10:30,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 204 transitions, 1267 flow [2023-11-21 22:10:30,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-21 22:10:30,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-21 22:10:30,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1068 transitions. [2023-11-21 22:10:30,954 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7606837606837606 [2023-11-21 22:10:30,954 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1068 transitions. [2023-11-21 22:10:30,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1068 transitions. [2023-11-21 22:10:30,955 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:30,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1068 transitions. [2023-11-21 22:10:30,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 89.0) internal successors, (1068), 12 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:30,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:30,988 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:30,988 INFO L175 Difference]: Start difference. First operand has 133 places, 117 transitions, 430 flow. Second operand 12 states and 1068 transitions. [2023-11-21 22:10:30,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 204 transitions, 1267 flow [2023-11-21 22:10:30,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 204 transitions, 1210 flow, removed 4 selfloop flow, removed 9 redundant places. [2023-11-21 22:10:30,997 INFO L231 Difference]: Finished difference. Result has 139 places, 137 transitions, 669 flow [2023-11-21 22:10:30,998 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=669, PETRI_PLACES=139, PETRI_TRANSITIONS=137} [2023-11-21 22:10:31,000 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 36 predicate places. [2023-11-21 22:10:31,000 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 137 transitions, 669 flow [2023-11-21 22:10:31,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:31,001 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:31,001 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] [2023-11-21 22:10:31,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-21 22:10:31,001 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:31,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:31,002 INFO L85 PathProgramCache]: Analyzing trace with hash 2081300845, now seen corresponding path program 4 times [2023-11-21 22:10:31,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:31,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751290353] [2023-11-21 22:10:31,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:31,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:31,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:31,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751290353] [2023-11-21 22:10:31,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751290353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:31,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:31,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-21 22:10:31,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049341682] [2023-11-21 22:10:31,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:31,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-21 22:10:31,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:31,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-21 22:10:31,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:10:33,405 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-21 22:10:33,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 137 transitions, 669 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:33,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:33,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-21 22:10:33,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:34,052 INFO L124 PetriNetUnfolderBase]: 136/573 cut-off events. [2023-11-21 22:10:34,053 INFO L125 PetriNetUnfolderBase]: For 1373/1399 co-relation queries the response was YES. [2023-11-21 22:10:34,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1935 conditions, 573 events. 136/573 cut-off events. For 1373/1399 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2662 event pairs, 22 based on Foata normal form. 36/602 useless extension candidates. Maximal degree in co-relation 1864. Up to 223 conditions per place. [2023-11-21 22:10:34,060 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 59 selfloop transitions, 17 changer transitions 29/177 dead transitions. [2023-11-21 22:10:34,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 177 transitions, 1145 flow [2023-11-21 22:10:34,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-21 22:10:34,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-21 22:10:34,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1139 transitions. [2023-11-21 22:10:34,065 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7488494411571335 [2023-11-21 22:10:34,065 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1139 transitions. [2023-11-21 22:10:34,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1139 transitions. [2023-11-21 22:10:34,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:34,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1139 transitions. [2023-11-21 22:10:34,071 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 87.61538461538461) internal successors, (1139), 13 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:34,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:34,077 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:34,077 INFO L175 Difference]: Start difference. First operand has 139 places, 137 transitions, 669 flow. Second operand 13 states and 1139 transitions. [2023-11-21 22:10:34,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 177 transitions, 1145 flow [2023-11-21 22:10:34,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 177 transitions, 1135 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-21 22:10:34,092 INFO L231 Difference]: Finished difference. Result has 152 places, 137 transitions, 718 flow [2023-11-21 22:10:34,093 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=718, PETRI_PLACES=152, PETRI_TRANSITIONS=137} [2023-11-21 22:10:34,093 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 49 predicate places. [2023-11-21 22:10:34,093 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 137 transitions, 718 flow [2023-11-21 22:10:34,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:34,094 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:34,095 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] [2023-11-21 22:10:34,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-21 22:10:34,095 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:34,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:34,096 INFO L85 PathProgramCache]: Analyzing trace with hash 299557929, now seen corresponding path program 5 times [2023-11-21 22:10:34,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:34,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30100094] [2023-11-21 22:10:34,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:34,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:34,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:34,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30100094] [2023-11-21 22:10:34,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30100094] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:34,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:34,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-21 22:10:34,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313659710] [2023-11-21 22:10:34,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:34,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-21 22:10:34,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:34,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-21 22:10:34,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:10:35,935 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-21 22:10:35,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 137 transitions, 718 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:35,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:35,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-21 22:10:35,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:36,461 INFO L124 PetriNetUnfolderBase]: 137/605 cut-off events. [2023-11-21 22:10:36,462 INFO L125 PetriNetUnfolderBase]: For 2010/2028 co-relation queries the response was YES. [2023-11-21 22:10:36,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2131 conditions, 605 events. 137/605 cut-off events. For 2010/2028 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2838 event pairs, 19 based on Foata normal form. 19/621 useless extension candidates. Maximal degree in co-relation 2055. Up to 178 conditions per place. [2023-11-21 22:10:36,469 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 79 selfloop transitions, 19 changer transitions 35/205 dead transitions. [2023-11-21 22:10:36,469 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 205 transitions, 1525 flow [2023-11-21 22:10:36,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-21 22:10:36,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-21 22:10:36,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1065 transitions. [2023-11-21 22:10:36,474 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7585470085470085 [2023-11-21 22:10:36,474 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1065 transitions. [2023-11-21 22:10:36,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1065 transitions. [2023-11-21 22:10:36,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:36,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1065 transitions. [2023-11-21 22:10:36,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 88.75) internal successors, (1065), 12 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:36,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:36,484 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:36,485 INFO L175 Difference]: Start difference. First operand has 152 places, 137 transitions, 718 flow. Second operand 12 states and 1065 transitions. [2023-11-21 22:10:36,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 205 transitions, 1525 flow [2023-11-21 22:10:36,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 205 transitions, 1417 flow, removed 19 selfloop flow, removed 12 redundant places. [2023-11-21 22:10:36,501 INFO L231 Difference]: Finished difference. Result has 152 places, 132 transitions, 699 flow [2023-11-21 22:10:36,502 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=668, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=699, PETRI_PLACES=152, PETRI_TRANSITIONS=132} [2023-11-21 22:10:36,502 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 49 predicate places. [2023-11-21 22:10:36,503 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 132 transitions, 699 flow [2023-11-21 22:10:36,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:36,504 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:36,504 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] [2023-11-21 22:10:36,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-21 22:10:36,504 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:36,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:36,505 INFO L85 PathProgramCache]: Analyzing trace with hash -867202395, now seen corresponding path program 6 times [2023-11-21 22:10:36,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:36,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836510957] [2023-11-21 22:10:36,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:36,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:37,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:37,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:37,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836510957] [2023-11-21 22:10:37,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836510957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:37,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:37,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-21 22:10:37,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853829392] [2023-11-21 22:10:37,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:37,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-21 22:10:37,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:37,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-21 22:10:37,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:10:38,341 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-21 22:10:38,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 132 transitions, 699 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:38,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:38,343 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-21 22:10:38,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:38,860 INFO L124 PetriNetUnfolderBase]: 146/645 cut-off events. [2023-11-21 22:10:38,861 INFO L125 PetriNetUnfolderBase]: For 2537/2561 co-relation queries the response was YES. [2023-11-21 22:10:38,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2367 conditions, 645 events. 146/645 cut-off events. For 2537/2561 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3224 event pairs, 28 based on Foata normal form. 20/659 useless extension candidates. Maximal degree in co-relation 2290. Up to 183 conditions per place. [2023-11-21 22:10:38,868 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 81 selfloop transitions, 27 changer transitions 12/192 dead transitions. [2023-11-21 22:10:38,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 192 transitions, 1436 flow [2023-11-21 22:10:38,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-21 22:10:38,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-21 22:10:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1059 transitions. [2023-11-21 22:10:38,872 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7542735042735043 [2023-11-21 22:10:38,872 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1059 transitions. [2023-11-21 22:10:38,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1059 transitions. [2023-11-21 22:10:38,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:38,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1059 transitions. [2023-11-21 22:10:38,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 88.25) internal successors, (1059), 12 states have internal predecessors, (1059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:38,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:38,880 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:38,880 INFO L175 Difference]: Start difference. First operand has 152 places, 132 transitions, 699 flow. Second operand 12 states and 1059 transitions. [2023-11-21 22:10:38,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 192 transitions, 1436 flow [2023-11-21 22:10:38,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 192 transitions, 1299 flow, removed 56 selfloop flow, removed 11 redundant places. [2023-11-21 22:10:38,897 INFO L231 Difference]: Finished difference. Result has 155 places, 149 transitions, 894 flow [2023-11-21 22:10:38,897 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=616, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=894, PETRI_PLACES=155, PETRI_TRANSITIONS=149} [2023-11-21 22:10:38,898 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 52 predicate places. [2023-11-21 22:10:38,898 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 149 transitions, 894 flow [2023-11-21 22:10:38,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:38,899 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:38,899 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] [2023-11-21 22:10:38,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-21 22:10:38,900 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:38,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:38,900 INFO L85 PathProgramCache]: Analyzing trace with hash -799777435, now seen corresponding path program 7 times [2023-11-21 22:10:38,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:38,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746034259] [2023-11-21 22:10:38,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:38,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:39,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:39,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:39,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746034259] [2023-11-21 22:10:39,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746034259] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:39,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:39,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-21 22:10:39,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122626860] [2023-11-21 22:10:39,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:39,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-21 22:10:39,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:39,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-21 22:10:39,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:10:40,662 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-21 22:10:40,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 149 transitions, 894 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:40,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:40,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-21 22:10:40,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:41,161 INFO L124 PetriNetUnfolderBase]: 126/609 cut-off events. [2023-11-21 22:10:41,161 INFO L125 PetriNetUnfolderBase]: For 2453/2487 co-relation queries the response was YES. [2023-11-21 22:10:41,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2260 conditions, 609 events. 126/609 cut-off events. For 2453/2487 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2975 event pairs, 26 based on Foata normal form. 15/619 useless extension candidates. Maximal degree in co-relation 2183. Up to 242 conditions per place. [2023-11-21 22:10:41,167 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 55 selfloop transitions, 8 changer transitions 53/188 dead transitions. [2023-11-21 22:10:41,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 188 transitions, 1419 flow [2023-11-21 22:10:41,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-21 22:10:41,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-21 22:10:41,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1056 transitions. [2023-11-21 22:10:41,172 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7521367521367521 [2023-11-21 22:10:41,172 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1056 transitions. [2023-11-21 22:10:41,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1056 transitions. [2023-11-21 22:10:41,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:41,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1056 transitions. [2023-11-21 22:10:41,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 88.0) internal successors, (1056), 12 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:41,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:41,177 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:41,178 INFO L175 Difference]: Start difference. First operand has 155 places, 149 transitions, 894 flow. Second operand 12 states and 1056 transitions. [2023-11-21 22:10:41,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 188 transitions, 1419 flow [2023-11-21 22:10:41,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 188 transitions, 1386 flow, removed 11 selfloop flow, removed 4 redundant places. [2023-11-21 22:10:41,193 INFO L231 Difference]: Finished difference. Result has 166 places, 134 transitions, 731 flow [2023-11-21 22:10:41,194 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=862, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=731, PETRI_PLACES=166, PETRI_TRANSITIONS=134} [2023-11-21 22:10:41,195 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 63 predicate places. [2023-11-21 22:10:41,195 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 134 transitions, 731 flow [2023-11-21 22:10:41,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:41,211 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:41,211 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] [2023-11-21 22:10:41,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-21 22:10:41,213 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:41,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:41,214 INFO L85 PathProgramCache]: Analyzing trace with hash 321300283, now seen corresponding path program 8 times [2023-11-21 22:10:41,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:41,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278429615] [2023-11-21 22:10:41,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:41,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:41,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:41,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:41,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278429615] [2023-11-21 22:10:41,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278429615] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:41,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:41,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-21 22:10:41,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152312184] [2023-11-21 22:10:41,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:41,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-21 22:10:41,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:41,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-21 22:10:41,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:10:42,889 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-21 22:10:42,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 134 transitions, 731 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:42,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:42,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-21 22:10:42,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:43,314 INFO L124 PetriNetUnfolderBase]: 128/563 cut-off events. [2023-11-21 22:10:43,314 INFO L125 PetriNetUnfolderBase]: For 2577/2609 co-relation queries the response was YES. [2023-11-21 22:10:43,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2163 conditions, 563 events. 128/563 cut-off events. For 2577/2609 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2545 event pairs, 22 based on Foata normal form. 34/591 useless extension candidates. Maximal degree in co-relation 2081. Up to 156 conditions per place. [2023-11-21 22:10:43,322 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 69 selfloop transitions, 27 changer transitions 15/183 dead transitions. [2023-11-21 22:10:43,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 183 transitions, 1400 flow [2023-11-21 22:10:43,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-21 22:10:43,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-21 22:10:43,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 968 transitions. [2023-11-21 22:10:43,325 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7521367521367521 [2023-11-21 22:10:43,325 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 968 transitions. [2023-11-21 22:10:43,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 968 transitions. [2023-11-21 22:10:43,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:43,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 968 transitions. [2023-11-21 22:10:43,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 88.0) internal successors, (968), 11 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:43,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:43,331 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:43,331 INFO L175 Difference]: Start difference. First operand has 166 places, 134 transitions, 731 flow. Second operand 11 states and 968 transitions. [2023-11-21 22:10:43,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 183 transitions, 1400 flow [2023-11-21 22:10:43,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 183 transitions, 1244 flow, removed 63 selfloop flow, removed 16 redundant places. [2023-11-21 22:10:43,348 INFO L231 Difference]: Finished difference. Result has 152 places, 146 transitions, 882 flow [2023-11-21 22:10:43,349 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=882, PETRI_PLACES=152, PETRI_TRANSITIONS=146} [2023-11-21 22:10:43,349 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 49 predicate places. [2023-11-21 22:10:43,350 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 146 transitions, 882 flow [2023-11-21 22:10:43,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:43,350 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:43,350 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] [2023-11-21 22:10:43,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-21 22:10:43,351 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:43,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:43,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1901720867, now seen corresponding path program 9 times [2023-11-21 22:10:43,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:43,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107278718] [2023-11-21 22:10:43,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:43,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:44,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:44,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107278718] [2023-11-21 22:10:44,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107278718] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:44,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:44,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-21 22:10:44,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017513459] [2023-11-21 22:10:44,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:44,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-21 22:10:44,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:44,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-21 22:10:44,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:10:45,422 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-21 22:10:45,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 146 transitions, 882 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:45,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:45,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-21 22:10:45,423 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:45,876 INFO L124 PetriNetUnfolderBase]: 109/490 cut-off events. [2023-11-21 22:10:45,876 INFO L125 PetriNetUnfolderBase]: For 2112/2134 co-relation queries the response was YES. [2023-11-21 22:10:45,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1996 conditions, 490 events. 109/490 cut-off events. For 2112/2134 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2312 event pairs, 14 based on Foata normal form. 23/510 useless extension candidates. Maximal degree in co-relation 1920. Up to 189 conditions per place. [2023-11-21 22:10:45,882 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 60 selfloop transitions, 22 changer transitions 11/165 dead transitions. [2023-11-21 22:10:45,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 165 transitions, 1223 flow [2023-11-21 22:10:45,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-21 22:10:45,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-21 22:10:45,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1046 transitions. [2023-11-21 22:10:45,885 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7450142450142451 [2023-11-21 22:10:45,885 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1046 transitions. [2023-11-21 22:10:45,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1046 transitions. [2023-11-21 22:10:45,886 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:45,886 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1046 transitions. [2023-11-21 22:10:45,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 87.16666666666667) internal successors, (1046), 12 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:45,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:45,891 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 117.0) internal successors, (1521), 13 states have internal predecessors, (1521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:45,892 INFO L175 Difference]: Start difference. First operand has 152 places, 146 transitions, 882 flow. Second operand 12 states and 1046 transitions. [2023-11-21 22:10:45,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 165 transitions, 1223 flow [2023-11-21 22:10:45,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 165 transitions, 1160 flow, removed 12 selfloop flow, removed 9 redundant places. [2023-11-21 22:10:45,907 INFO L231 Difference]: Finished difference. Result has 159 places, 149 transitions, 935 flow [2023-11-21 22:10:45,907 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=935, PETRI_PLACES=159, PETRI_TRANSITIONS=149} [2023-11-21 22:10:45,908 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 56 predicate places. [2023-11-21 22:10:45,908 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 149 transitions, 935 flow [2023-11-21 22:10:45,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:45,909 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:45,909 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] [2023-11-21 22:10:45,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-21 22:10:45,910 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:45,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:45,910 INFO L85 PathProgramCache]: Analyzing trace with hash 885547587, now seen corresponding path program 10 times [2023-11-21 22:10:45,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:45,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269629142] [2023-11-21 22:10:45,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:45,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:46,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:46,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:46,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269629142] [2023-11-21 22:10:46,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269629142] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:46,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:46,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-21 22:10:46,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241597571] [2023-11-21 22:10:46,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:46,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-21 22:10:46,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:46,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-21 22:10:46,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:10:47,772 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-21 22:10:47,773 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 149 transitions, 935 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:47,773 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:47,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-21 22:10:47,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:48,268 INFO L124 PetriNetUnfolderBase]: 95/463 cut-off events. [2023-11-21 22:10:48,269 INFO L125 PetriNetUnfolderBase]: For 2310/2326 co-relation queries the response was YES. [2023-11-21 22:10:48,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1837 conditions, 463 events. 95/463 cut-off events. For 2310/2326 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2132 event pairs, 10 based on Foata normal form. 19/480 useless extension candidates. Maximal degree in co-relation 1760. Up to 152 conditions per place. [2023-11-21 22:10:48,273 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 30 selfloop transitions, 9 changer transitions 67/178 dead transitions. [2023-11-21 22:10:48,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 178 transitions, 1363 flow [2023-11-21 22:10:48,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-21 22:10:48,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-21 22:10:48,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1135 transitions. [2023-11-21 22:10:48,276 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7462195923734385 [2023-11-21 22:10:48,276 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1135 transitions. [2023-11-21 22:10:48,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1135 transitions. [2023-11-21 22:10:48,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:48,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1135 transitions. [2023-11-21 22:10:48,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 87.3076923076923) internal successors, (1135), 13 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:48,282 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:48,283 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:48,283 INFO L175 Difference]: Start difference. First operand has 159 places, 149 transitions, 935 flow. Second operand 13 states and 1135 transitions. [2023-11-21 22:10:48,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 178 transitions, 1363 flow [2023-11-21 22:10:48,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 178 transitions, 1327 flow, removed 7 selfloop flow, removed 6 redundant places. [2023-11-21 22:10:48,298 INFO L231 Difference]: Finished difference. Result has 166 places, 111 transitions, 495 flow [2023-11-21 22:10:48,298 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=495, PETRI_PLACES=166, PETRI_TRANSITIONS=111} [2023-11-21 22:10:48,299 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 63 predicate places. [2023-11-21 22:10:48,299 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 111 transitions, 495 flow [2023-11-21 22:10:48,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:48,300 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:48,300 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:48,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-21 22:10:48,300 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:48,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:48,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1603649235, now seen corresponding path program 11 times [2023-11-21 22:10:48,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:48,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633055989] [2023-11-21 22:10:48,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:48,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:48,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:48,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633055989] [2023-11-21 22:10:48,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633055989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:48,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:48,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-21 22:10:48,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466193138] [2023-11-21 22:10:48,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:48,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-21 22:10:48,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:48,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-21 22:10:48,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:10:50,168 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-21 22:10:50,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 111 transitions, 495 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:50,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:50,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-21 22:10:50,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:50,535 INFO L124 PetriNetUnfolderBase]: 47/259 cut-off events. [2023-11-21 22:10:50,535 INFO L125 PetriNetUnfolderBase]: For 1368/1376 co-relation queries the response was YES. [2023-11-21 22:10:50,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1009 conditions, 259 events. 47/259 cut-off events. For 1368/1376 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 721 event pairs, 5 based on Foata normal form. 16/275 useless extension candidates. Maximal degree in co-relation 931. Up to 49 conditions per place. [2023-11-21 22:10:50,538 INFO L140 encePairwiseOnDemand]: 106/117 looper letters, 38 selfloop transitions, 18 changer transitions 12/140 dead transitions. [2023-11-21 22:10:50,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 140 transitions, 892 flow [2023-11-21 22:10:50,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-21 22:10:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-21 22:10:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 956 transitions. [2023-11-21 22:10:50,541 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7428127428127428 [2023-11-21 22:10:50,541 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 956 transitions. [2023-11-21 22:10:50,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 956 transitions. [2023-11-21 22:10:50,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:50,542 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 956 transitions. [2023-11-21 22:10:50,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 86.9090909090909) internal successors, (956), 11 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:50,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:50,547 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 117.0) internal successors, (1404), 12 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:50,547 INFO L175 Difference]: Start difference. First operand has 166 places, 111 transitions, 495 flow. Second operand 11 states and 956 transitions. [2023-11-21 22:10:50,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 140 transitions, 892 flow [2023-11-21 22:10:50,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 140 transitions, 688 flow, removed 53 selfloop flow, removed 29 redundant places. [2023-11-21 22:10:50,555 INFO L231 Difference]: Finished difference. Result has 139 places, 117 transitions, 488 flow [2023-11-21 22:10:50,555 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=488, PETRI_PLACES=139, PETRI_TRANSITIONS=117} [2023-11-21 22:10:50,557 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 36 predicate places. [2023-11-21 22:10:50,557 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 117 transitions, 488 flow [2023-11-21 22:10:50,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:50,558 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:10:50,558 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:50,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-21 22:10:50,558 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2023-11-21 22:10:50,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:10:50,559 INFO L85 PathProgramCache]: Analyzing trace with hash -2123827589, now seen corresponding path program 12 times [2023-11-21 22:10:50,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:10:50,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65806187] [2023-11-21 22:10:50,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:10:50,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:10:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:10:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:10:51,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:10:51,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65806187] [2023-11-21 22:10:51,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65806187] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:10:51,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:10:51,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-21 22:10:51,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506176375] [2023-11-21 22:10:51,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:10:51,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-21 22:10:51,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:10:51,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-21 22:10:51,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:10:52,444 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 117 [2023-11-21 22:10:52,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 117 transitions, 488 flow. Second operand has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:52,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:10:52,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 117 [2023-11-21 22:10:52,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:10:52,835 INFO L124 PetriNetUnfolderBase]: 27/211 cut-off events. [2023-11-21 22:10:52,836 INFO L125 PetriNetUnfolderBase]: For 462/466 co-relation queries the response was YES. [2023-11-21 22:10:52,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 211 events. 27/211 cut-off events. For 462/466 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 513 event pairs, 2 based on Foata normal form. 14/224 useless extension candidates. Maximal degree in co-relation 665. Up to 41 conditions per place. [2023-11-21 22:10:52,837 INFO L140 encePairwiseOnDemand]: 105/117 looper letters, 0 selfloop transitions, 0 changer transitions 134/134 dead transitions. [2023-11-21 22:10:52,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 134 transitions, 712 flow [2023-11-21 22:10:52,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-21 22:10:52,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-21 22:10:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1123 transitions. [2023-11-21 22:10:52,840 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7383300460223537 [2023-11-21 22:10:52,841 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1123 transitions. [2023-11-21 22:10:52,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1123 transitions. [2023-11-21 22:10:52,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:10:52,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1123 transitions. [2023-11-21 22:10:52,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 86.38461538461539) internal successors, (1123), 13 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:52,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:52,847 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 117.0) internal successors, (1638), 14 states have internal predecessors, (1638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:10:52,847 INFO L175 Difference]: Start difference. First operand has 139 places, 117 transitions, 488 flow. Second operand 13 states and 1123 transitions. [2023-11-21 22:10:52,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 134 transitions, 712 flow [2023-11-21 22:10:52,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 134 transitions, 682 flow, removed 1 selfloop flow, removed 10 redundant places. [2023-11-21 22:10:52,852 INFO L231 Difference]: Finished difference. Result has 140 places, 0 transitions, 0 flow [2023-11-21 22:10:52,853 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=117, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=140, PETRI_TRANSITIONS=0} [2023-11-21 22:10:52,853 INFO L281 CegarLoopForPetriNet]: 103 programPoint places, 37 predicate places. [2023-11-21 22:10:52,853 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 0 transitions, 0 flow [2023-11-21 22:10:52,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.53846153846153) internal successors, (1099), 13 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) [2023-11-21 22:10:52,856 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2023-11-21 22:10:52,857 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2023-11-21 22:10:52,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2023-11-21 22:10:52,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2023-11-21 22:10:52,858 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2023-11-21 22:10:52,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2023-11-21 22:10:52,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2023-11-21 22:10:52,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2023-11-21 22:10:52,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2023-11-21 22:10:52,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-21 22:10:52,860 INFO L445 BasicCegarLoop]: Path program histogram: [12, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:10:52,866 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 22:10:52,866 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:10:52,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:10:52 BasicIcfg [2023-11-21 22:10:52,872 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:10:52,872 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:10:52,873 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:10:52,873 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:10:52,873 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:10:14" (3/4) ... [2023-11-21 22:10:52,875 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:10:52,879 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-21 22:10:52,883 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-21 22:10:52,884 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:10:52,884 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:10:52,967 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:10:52,967 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:10:52,968 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:10:52,968 INFO L158 Benchmark]: Toolchain (without parser) took 39958.60ms. Allocated memory was 132.1MB in the beginning and 469.8MB in the end (delta: 337.6MB). Free memory was 91.2MB in the beginning and 300.1MB in the end (delta: -208.8MB). Peak memory consumption was 130.1MB. Max. memory is 16.1GB. [2023-11-21 22:10:52,969 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:10:52,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 906.34ms. Allocated memory is still 132.1MB. Free memory was 90.9MB in the beginning and 63.1MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-21 22:10:52,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.71ms. Allocated memory is still 132.1MB. Free memory was 63.1MB in the beginning and 60.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:10:52,970 INFO L158 Benchmark]: Boogie Preprocessor took 90.69ms. Allocated memory is still 132.1MB. Free memory was 60.3MB in the beginning and 58.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:10:52,970 INFO L158 Benchmark]: RCFGBuilder took 766.34ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 58.2MB in the beginning and 131.9MB in the end (delta: -73.7MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2023-11-21 22:10:52,971 INFO L158 Benchmark]: TraceAbstraction took 37979.31ms. Allocated memory was 174.1MB in the beginning and 469.8MB in the end (delta: 295.7MB). Free memory was 131.1MB in the beginning and 305.3MB in the end (delta: -174.2MB). Peak memory consumption was 121.3MB. Max. memory is 16.1GB. [2023-11-21 22:10:52,971 INFO L158 Benchmark]: Witness Printer took 95.32ms. Allocated memory is still 469.8MB. Free memory was 305.3MB in the beginning and 300.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:10:52,973 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 906.34ms. Allocated memory is still 132.1MB. Free memory was 90.9MB in the beginning and 63.1MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.71ms. Allocated memory is still 132.1MB. Free memory was 63.1MB in the beginning and 60.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.69ms. Allocated memory is still 132.1MB. Free memory was 60.3MB in the beginning and 58.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 766.34ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 58.2MB in the beginning and 131.9MB in the end (delta: -73.7MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * TraceAbstraction took 37979.31ms. Allocated memory was 174.1MB in the beginning and 469.8MB in the end (delta: 295.7MB). Free memory was 131.1MB in the beginning and 305.3MB in the end (delta: -174.2MB). Peak memory consumption was 121.3MB. Max. memory is 16.1GB. * Witness Printer took 95.32ms. Allocated memory is still 469.8MB. Free memory was 305.3MB in the beginning and 300.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 146 locations, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 37.8s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 12, EmptinessCheckTime: 0.0s, AutomataDifference: 24.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6257 SdHoareTripleChecker+Valid, 18.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5042 mSDsluCounter, 5204 SdHoareTripleChecker+Invalid, 15.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4912 mSDsCounter, 1583 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23956 IncrementalHoareTripleChecker+Invalid, 25539 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1583 mSolverCounterUnsat, 292 mSDtfsCounter, 23956 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 279 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1692occurred in iteration=4, InterpolantAutomatonStates: 189, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 12.2s InterpolantComputationTime, 1393 NumberOfCodeBlocks, 1393 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1374 ConstructedInterpolants, 0 QuantifiedInterpolants, 10882 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 22:10:53,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18b74a0-a0dc-43dd-8299-6e7ba25b74c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE