./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289c1028-5ae4-4e17-92b7-39715e8e5447/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289c1028-5ae4-4e17-92b7-39715e8e5447/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289c1028-5ae4-4e17-92b7-39715e8e5447/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289c1028-5ae4-4e17-92b7-39715e8e5447/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289c1028-5ae4-4e17-92b7-39715e8e5447/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289c1028-5ae4-4e17-92b7-39715e8e5447/bin/uautomizer-verify-uTZkv6EMXl --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 33c040d0fbd9b1f189d3917c569371e7923ba6ef4820715ff1ef4976213f5b31 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:21:01,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:21:01,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289c1028-5ae4-4e17-92b7-39715e8e5447/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:21:01,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:21:01,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:21:01,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:21:01,459 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:21:01,460 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:21:01,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:21:01,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:21:01,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:21:01,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:21:01,464 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:21:01,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:21:01,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:21:01,465 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:21:01,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:21:01,467 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:21:01,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:21:01,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:21:01,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:21:01,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:21:01,474 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:21:01,476 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:21:01,476 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:21:01,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:21:01,477 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:21:01,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:21:01,478 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:21:01,479 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:21:01,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:21:01,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:21:01,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:21:01,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:21:01,481 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:21:01,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:21:01,481 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:21:01,482 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:21:01,482 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:21:01,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:21:01,482 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:21:01,483 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_289c1028-5ae4-4e17-92b7-39715e8e5447/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289c1028-5ae4-4e17-92b7-39715e8e5447/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33c040d0fbd9b1f189d3917c569371e7923ba6ef4820715ff1ef4976213f5b31 [2023-11-12 02:21:01,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:21:01,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:21:01,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:21:01,844 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:21:01,844 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:21:01,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289c1028-5ae4-4e17-92b7-39715e8e5447/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i [2023-11-12 02:21:04,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:21:05,281 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:21:05,282 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289c1028-5ae4-4e17-92b7-39715e8e5447/sv-benchmarks/c/pthread-ext/44_Solaris_space_map_sliced.i [2023-11-12 02:21:05,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289c1028-5ae4-4e17-92b7-39715e8e5447/bin/uautomizer-verify-uTZkv6EMXl/data/f6e3e89b2/c4780159a3ee47679de324ab987e951a/FLAGf938039d3 [2023-11-12 02:21:05,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289c1028-5ae4-4e17-92b7-39715e8e5447/bin/uautomizer-verify-uTZkv6EMXl/data/f6e3e89b2/c4780159a3ee47679de324ab987e951a [2023-11-12 02:21:05,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:21:05,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:21:05,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:21:05,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:21:05,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:21:05,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:21:05" (1/1) ... [2023-11-12 02:21:05,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b8b3607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:05, skipping insertion in model container [2023-11-12 02:21:05,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:21:05" (1/1) ... [2023-11-12 02:21:05,430 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:21:05,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:05,920 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:21:06,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:21:06,070 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:21:06,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06 WrapperNode [2023-11-12 02:21:06,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:21:06,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:21:06,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:21:06,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:21:06,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,172 INFO L138 Inliner]: procedures = 178, calls = 43, calls flagged for inlining = 35, calls inlined = 46, statements flattened = 483 [2023-11-12 02:21:06,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:21:06,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:21:06,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:21:06,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:21:06,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:21:06,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:21:06,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:21:06,228 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:21:06,229 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (1/1) ... [2023-11-12 02:21:06,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:21:06,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289c1028-5ae4-4e17-92b7-39715e8e5447/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:21:06,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289c1028-5ae4-4e17-92b7-39715e8e5447/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:21:06,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289c1028-5ae4-4e17-92b7-39715e8e5447/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:21:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 02:21:06,340 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 02:21:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:21:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:21:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:21:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:21:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:21:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:21:06,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:21:06,343 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:21:06,515 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:21:06,517 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:21:07,282 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:21:07,594 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:21:07,596 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-12 02:21:07,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:07 BoogieIcfgContainer [2023-11-12 02:21:07,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:21:07,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:21:07,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:21:07,609 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:21:07,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:21:05" (1/3) ... [2023-11-12 02:21:07,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71dce5d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:21:07, skipping insertion in model container [2023-11-12 02:21:07,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:21:06" (2/3) ... [2023-11-12 02:21:07,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71dce5d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:21:07, skipping insertion in model container [2023-11-12 02:21:07,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:21:07" (3/3) ... [2023-11-12 02:21:07,614 INFO L112 eAbstractionObserver]: Analyzing ICFG 44_Solaris_space_map_sliced.i [2023-11-12 02:21:07,625 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:21:07,637 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:21:07,637 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2023-11-12 02:21:07,637 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:21:07,804 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 02:21:07,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 355 places, 414 transitions, 832 flow [2023-11-12 02:21:08,009 INFO L124 PetriNetUnfolderBase]: 63/425 cut-off events. [2023-11-12 02:21:08,009 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:21:08,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 425 events. 63/425 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1683 event pairs, 0 based on Foata normal form. 0/304 useless extension candidates. Maximal degree in co-relation 399. Up to 9 conditions per place. [2023-11-12 02:21:08,022 INFO L82 GeneralOperation]: Start removeDead. Operand has 355 places, 414 transitions, 832 flow [2023-11-12 02:21:08,033 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 355 places, 414 transitions, 832 flow [2023-11-12 02:21:08,037 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:21:08,059 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 355 places, 414 transitions, 832 flow [2023-11-12 02:21:08,064 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 355 places, 414 transitions, 832 flow [2023-11-12 02:21:08,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 355 places, 414 transitions, 832 flow [2023-11-12 02:21:08,117 INFO L124 PetriNetUnfolderBase]: 63/425 cut-off events. [2023-11-12 02:21:08,118 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:21:08,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 425 events. 63/425 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1683 event pairs, 0 based on Foata normal form. 0/304 useless extension candidates. Maximal degree in co-relation 399. Up to 9 conditions per place. [2023-11-12 02:21:08,131 INFO L119 LiptonReduction]: Number of co-enabled transitions 10808 [2023-11-12 02:21:22,760 INFO L134 LiptonReduction]: Checked pairs total: 12241 [2023-11-12 02:21:22,761 INFO L136 LiptonReduction]: Total number of compositions: 721 [2023-11-12 02:21:22,777 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:21:22,784 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;@a1f3843, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:21:22,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 113 error locations. [2023-11-12 02:21:22,788 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:21:22,789 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2023-11-12 02:21:22,789 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:21:22,789 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:22,790 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-12 02:21:22,790 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-11-12 02:21:22,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:22,796 INFO L85 PathProgramCache]: Analyzing trace with hash 77769478, now seen corresponding path program 1 times [2023-11-12 02:21:22,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:22,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389798748] [2023-11-12 02:21:22,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:22,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:22,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:21:23,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:23,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389798748] [2023-11-12 02:21:23,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389798748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:23,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:23,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 02:21:23,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429124899] [2023-11-12 02:21:23,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:23,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:21:23,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:23,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:21:23,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:21:23,045 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 1135 [2023-11-12 02:21:23,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 77 transitions, 158 flow. Second operand has 2 states, 2 states have (on average 333.0) internal successors, (666), 2 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:23,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:23,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 1135 [2023-11-12 02:21:23,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:23,124 INFO L124 PetriNetUnfolderBase]: 30/57 cut-off events. [2023-11-12 02:21:23,125 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:21:23,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 57 events. 30/57 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 138 event pairs, 12 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 103. Up to 54 conditions per place. [2023-11-12 02:21:23,127 INFO L140 encePairwiseOnDemand]: 1076/1135 looper letters, 16 selfloop transitions, 0 changer transitions 0/18 dead transitions. [2023-11-12 02:21:23,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 16 places, 18 transitions, 72 flow [2023-11-12 02:21:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:21:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-12 02:21:23,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 737 transitions. [2023-11-12 02:21:23,157 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3246696035242291 [2023-11-12 02:21:23,158 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 737 transitions. [2023-11-12 02:21:23,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 737 transitions. [2023-11-12 02:21:23,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:23,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 737 transitions. [2023-11-12 02:21:23,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 368.5) internal successors, (737), 2 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:23,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1135.0) internal successors, (3405), 3 states have internal predecessors, (3405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:23,186 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1135.0) internal successors, (3405), 3 states have internal predecessors, (3405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:23,188 INFO L175 Difference]: Start difference. First operand has 71 places, 77 transitions, 158 flow. Second operand 2 states and 737 transitions. [2023-11-12 02:21:23,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 16 places, 18 transitions, 72 flow [2023-11-12 02:21:23,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 18 transitions, 72 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:21:23,193 INFO L231 Difference]: Finished difference. Result has 16 places, 18 transitions, 40 flow [2023-11-12 02:21:23,196 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1135, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=40, PETRI_PLACES=16, PETRI_TRANSITIONS=18} [2023-11-12 02:21:23,204 INFO L281 CegarLoopForPetriNet]: 71 programPoint places, -55 predicate places. [2023-11-12 02:21:23,204 INFO L495 AbstractCegarLoop]: Abstraction has has 16 places, 18 transitions, 40 flow [2023-11-12 02:21:23,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 333.0) internal successors, (666), 2 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:23,206 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:23,206 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 02:21:23,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:21:23,207 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err53ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-11-12 02:21:23,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:23,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1884089780, now seen corresponding path program 1 times [2023-11-12 02:21:23,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:23,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011313565] [2023-11-12 02:21:23,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:23,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:23,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:21:23,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:23,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011313565] [2023-11-12 02:21:23,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011313565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:23,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:23,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:21:23,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228692524] [2023-11-12 02:21:23,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:23,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:21:23,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:23,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:21:23,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:21:23,683 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 1135 [2023-11-12 02:21:23,685 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 18 transitions, 40 flow. Second operand has 3 states, 3 states have (on average 284.6666666666667) internal successors, (854), 3 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:23,685 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:23,685 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 1135 [2023-11-12 02:21:23,686 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:23,748 INFO L124 PetriNetUnfolderBase]: 30/54 cut-off events. [2023-11-12 02:21:23,749 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:21:23,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 54 events. 30/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 115 event pairs, 2 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 109. Up to 43 conditions per place. [2023-11-12 02:21:23,750 INFO L140 encePairwiseOnDemand]: 1129/1135 looper letters, 13 selfloop transitions, 5 changer transitions 0/19 dead transitions. [2023-11-12 02:21:23,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 19 transitions, 78 flow [2023-11-12 02:21:23,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:21:23,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:21:23,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 868 transitions. [2023-11-12 02:21:23,756 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.2549192364170338 [2023-11-12 02:21:23,756 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 868 transitions. [2023-11-12 02:21:23,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 868 transitions. [2023-11-12 02:21:23,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:23,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 868 transitions. [2023-11-12 02:21:23,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 289.3333333333333) internal successors, (868), 3 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:23,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1135.0) internal successors, (4540), 4 states have internal predecessors, (4540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:23,775 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1135.0) internal successors, (4540), 4 states have internal predecessors, (4540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:23,776 INFO L175 Difference]: Start difference. First operand has 16 places, 18 transitions, 40 flow. Second operand 3 states and 868 transitions. [2023-11-12 02:21:23,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 19 transitions, 78 flow [2023-11-12 02:21:23,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 19 transitions, 78 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:21:23,778 INFO L231 Difference]: Finished difference. Result has 17 places, 17 transitions, 48 flow [2023-11-12 02:21:23,779 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1135, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=17, PETRI_TRANSITIONS=17} [2023-11-12 02:21:23,782 INFO L281 CegarLoopForPetriNet]: 71 programPoint places, -54 predicate places. [2023-11-12 02:21:23,783 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 17 transitions, 48 flow [2023-11-12 02:21:23,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 284.6666666666667) internal successors, (854), 3 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:23,784 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:23,785 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2023-11-12 02:21:23,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:21:23,786 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 109 more)] === [2023-11-12 02:21:23,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:23,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1722240969, now seen corresponding path program 1 times [2023-11-12 02:21:23,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:23,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553753379] [2023-11-12 02:21:23,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:23,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:23,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:21:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:21:23,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:21:23,859 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:21:23,860 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (112 of 113 remaining) [2023-11-12 02:21:23,866 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (111 of 113 remaining) [2023-11-12 02:21:23,866 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (110 of 113 remaining) [2023-11-12 02:21:23,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (109 of 113 remaining) [2023-11-12 02:21:23,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (108 of 113 remaining) [2023-11-12 02:21:23,867 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (107 of 113 remaining) [2023-11-12 02:21:23,868 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (106 of 113 remaining) [2023-11-12 02:21:23,873 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONDATA_RACE (105 of 113 remaining) [2023-11-12 02:21:23,873 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (104 of 113 remaining) [2023-11-12 02:21:23,873 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (103 of 113 remaining) [2023-11-12 02:21:23,873 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONDATA_RACE (102 of 113 remaining) [2023-11-12 02:21:23,874 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONDATA_RACE (101 of 113 remaining) [2023-11-12 02:21:23,874 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (100 of 113 remaining) [2023-11-12 02:21:23,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONDATA_RACE (99 of 113 remaining) [2023-11-12 02:21:23,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (98 of 113 remaining) [2023-11-12 02:21:23,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (97 of 113 remaining) [2023-11-12 02:21:23,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (96 of 113 remaining) [2023-11-12 02:21:23,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (95 of 113 remaining) [2023-11-12 02:21:23,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (94 of 113 remaining) [2023-11-12 02:21:23,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (93 of 113 remaining) [2023-11-12 02:21:23,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (92 of 113 remaining) [2023-11-12 02:21:23,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (91 of 113 remaining) [2023-11-12 02:21:23,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (90 of 113 remaining) [2023-11-12 02:21:23,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (89 of 113 remaining) [2023-11-12 02:21:23,877 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (88 of 113 remaining) [2023-11-12 02:21:23,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (87 of 113 remaining) [2023-11-12 02:21:23,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (86 of 113 remaining) [2023-11-12 02:21:23,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (85 of 113 remaining) [2023-11-12 02:21:23,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (84 of 113 remaining) [2023-11-12 02:21:23,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (83 of 113 remaining) [2023-11-12 02:21:23,881 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (82 of 113 remaining) [2023-11-12 02:21:23,881 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (81 of 113 remaining) [2023-11-12 02:21:23,881 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONDATA_RACE (80 of 113 remaining) [2023-11-12 02:21:23,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (79 of 113 remaining) [2023-11-12 02:21:23,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (78 of 113 remaining) [2023-11-12 02:21:23,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONDATA_RACE (77 of 113 remaining) [2023-11-12 02:21:23,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (76 of 113 remaining) [2023-11-12 02:21:23,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (75 of 113 remaining) [2023-11-12 02:21:23,883 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (74 of 113 remaining) [2023-11-12 02:21:23,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (73 of 113 remaining) [2023-11-12 02:21:23,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (72 of 113 remaining) [2023-11-12 02:21:23,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (71 of 113 remaining) [2023-11-12 02:21:23,888 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (70 of 113 remaining) [2023-11-12 02:21:23,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (69 of 113 remaining) [2023-11-12 02:21:23,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (68 of 113 remaining) [2023-11-12 02:21:23,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (67 of 113 remaining) [2023-11-12 02:21:23,889 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (66 of 113 remaining) [2023-11-12 02:21:23,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (65 of 113 remaining) [2023-11-12 02:21:23,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (64 of 113 remaining) [2023-11-12 02:21:23,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (63 of 113 remaining) [2023-11-12 02:21:23,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (62 of 113 remaining) [2023-11-12 02:21:23,890 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (61 of 113 remaining) [2023-11-12 02:21:23,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (60 of 113 remaining) [2023-11-12 02:21:23,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (59 of 113 remaining) [2023-11-12 02:21:23,891 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (58 of 113 remaining) [2023-11-12 02:21:23,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (57 of 113 remaining) [2023-11-12 02:21:23,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (56 of 113 remaining) [2023-11-12 02:21:23,893 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (55 of 113 remaining) [2023-11-12 02:21:23,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (54 of 113 remaining) [2023-11-12 02:21:23,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (53 of 113 remaining) [2023-11-12 02:21:23,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (52 of 113 remaining) [2023-11-12 02:21:23,894 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (51 of 113 remaining) [2023-11-12 02:21:23,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (50 of 113 remaining) [2023-11-12 02:21:23,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err53ASSERT_VIOLATIONDATA_RACE (49 of 113 remaining) [2023-11-12 02:21:23,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (48 of 113 remaining) [2023-11-12 02:21:23,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (47 of 113 remaining) [2023-11-12 02:21:23,895 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err54ASSERT_VIOLATIONDATA_RACE (46 of 113 remaining) [2023-11-12 02:21:23,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err55ASSERT_VIOLATIONDATA_RACE (45 of 113 remaining) [2023-11-12 02:21:23,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (44 of 113 remaining) [2023-11-12 02:21:23,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err52ASSERT_VIOLATIONDATA_RACE (43 of 113 remaining) [2023-11-12 02:21:23,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (42 of 113 remaining) [2023-11-12 02:21:23,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (41 of 113 remaining) [2023-11-12 02:21:23,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (40 of 113 remaining) [2023-11-12 02:21:23,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (39 of 113 remaining) [2023-11-12 02:21:23,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (38 of 113 remaining) [2023-11-12 02:21:23,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (37 of 113 remaining) [2023-11-12 02:21:23,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (36 of 113 remaining) [2023-11-12 02:21:23,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (35 of 113 remaining) [2023-11-12 02:21:23,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (34 of 113 remaining) [2023-11-12 02:21:23,898 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (33 of 113 remaining) [2023-11-12 02:21:23,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (32 of 113 remaining) [2023-11-12 02:21:23,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (31 of 113 remaining) [2023-11-12 02:21:23,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (30 of 113 remaining) [2023-11-12 02:21:23,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (29 of 113 remaining) [2023-11-12 02:21:23,899 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (28 of 113 remaining) [2023-11-12 02:21:23,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (27 of 113 remaining) [2023-11-12 02:21:23,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (26 of 113 remaining) [2023-11-12 02:21:23,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (25 of 113 remaining) [2023-11-12 02:21:23,900 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err50ASSERT_VIOLATIONDATA_RACE (24 of 113 remaining) [2023-11-12 02:21:23,901 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (23 of 113 remaining) [2023-11-12 02:21:23,901 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (22 of 113 remaining) [2023-11-12 02:21:23,901 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err51ASSERT_VIOLATIONDATA_RACE (21 of 113 remaining) [2023-11-12 02:21:23,901 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (20 of 113 remaining) [2023-11-12 02:21:23,901 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (19 of 113 remaining) [2023-11-12 02:21:23,902 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (18 of 113 remaining) [2023-11-12 02:21:23,902 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (17 of 113 remaining) [2023-11-12 02:21:23,903 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (16 of 113 remaining) [2023-11-12 02:21:23,903 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (15 of 113 remaining) [2023-11-12 02:21:23,903 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (14 of 113 remaining) [2023-11-12 02:21:23,903 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (13 of 113 remaining) [2023-11-12 02:21:23,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (12 of 113 remaining) [2023-11-12 02:21:23,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (11 of 113 remaining) [2023-11-12 02:21:23,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (10 of 113 remaining) [2023-11-12 02:21:23,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (9 of 113 remaining) [2023-11-12 02:21:23,905 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (8 of 113 remaining) [2023-11-12 02:21:23,905 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (7 of 113 remaining) [2023-11-12 02:21:23,905 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (6 of 113 remaining) [2023-11-12 02:21:23,905 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (5 of 113 remaining) [2023-11-12 02:21:23,906 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (4 of 113 remaining) [2023-11-12 02:21:23,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (3 of 113 remaining) [2023-11-12 02:21:23,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (2 of 113 remaining) [2023-11-12 02:21:23,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (1 of 113 remaining) [2023-11-12 02:21:23,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (0 of 113 remaining) [2023-11-12 02:21:23,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:21:23,913 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-12 02:21:23,915 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-12 02:21:23,915 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-12 02:21:23,980 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 02:21:23,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 683 places, 801 transitions, 1612 flow [2023-11-12 02:21:24,378 INFO L124 PetriNetUnfolderBase]: 125/825 cut-off events. [2023-11-12 02:21:24,378 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:21:24,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 833 conditions, 825 events. 125/825 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4600 event pairs, 0 based on Foata normal form. 0/585 useless extension candidates. Maximal degree in co-relation 785. Up to 9 conditions per place. [2023-11-12 02:21:24,420 INFO L82 GeneralOperation]: Start removeDead. Operand has 683 places, 801 transitions, 1612 flow [2023-11-12 02:21:24,461 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 683 places, 801 transitions, 1612 flow [2023-11-12 02:21:24,462 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:21:24,462 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 683 places, 801 transitions, 1612 flow [2023-11-12 02:21:24,462 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 683 places, 801 transitions, 1612 flow [2023-11-12 02:21:24,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 683 places, 801 transitions, 1612 flow [2023-11-12 02:21:24,810 INFO L124 PetriNetUnfolderBase]: 125/825 cut-off events. [2023-11-12 02:21:24,810 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:21:24,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 833 conditions, 825 events. 125/825 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4600 event pairs, 0 based on Foata normal form. 0/585 useless extension candidates. Maximal degree in co-relation 785. Up to 9 conditions per place. [2023-11-12 02:21:24,962 INFO L119 LiptonReduction]: Number of co-enabled transitions 320380 [2023-11-12 02:21:35,662 INFO L134 LiptonReduction]: Checked pairs total: 1604171 [2023-11-12 02:21:35,662 INFO L136 LiptonReduction]: Total number of compositions: 702 [2023-11-12 02:21:35,666 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:21:35,667 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;@a1f3843, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:21:35,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 169 error locations. [2023-11-12 02:21:35,669 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:21:35,669 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2023-11-12 02:21:35,670 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:21:35,670 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:35,670 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-12 02:21:35,670 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2023-11-12 02:21:35,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:35,671 INFO L85 PathProgramCache]: Analyzing trace with hash 139585478, now seen corresponding path program 1 times [2023-11-12 02:21:35,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:35,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827414522] [2023-11-12 02:21:35,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:35,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:35,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:21:35,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:35,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827414522] [2023-11-12 02:21:35,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827414522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:35,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:35,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 02:21:35,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994501753] [2023-11-12 02:21:35,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:35,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:21:35,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:35,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:21:35,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:21:35,692 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 637 out of 1503 [2023-11-12 02:21:35,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 434 transitions, 878 flow. Second operand has 2 states, 2 states have (on average 639.0) internal successors, (1278), 2 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:35,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:35,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 637 of 1503 [2023-11-12 02:21:35,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:39,394 INFO L124 PetriNetUnfolderBase]: 13256/28989 cut-off events. [2023-11-12 02:21:39,396 INFO L125 PetriNetUnfolderBase]: For 184/184 co-relation queries the response was YES. [2023-11-12 02:21:39,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47528 conditions, 28989 events. 13256/28989 cut-off events. For 184/184 co-relation queries the response was YES. Maximal size of possible extension queue 886. Compared 297105 event pairs, 7870 based on Foata normal form. 2502/23315 useless extension candidates. Maximal degree in co-relation 13402. Up to 18369 conditions per place. [2023-11-12 02:21:39,759 INFO L140 encePairwiseOnDemand]: 1416/1503 looper letters, 150 selfloop transitions, 0 changer transitions 0/339 dead transitions. [2023-11-12 02:21:39,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 339 transitions, 988 flow [2023-11-12 02:21:39,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:21:39,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-12 02:21:39,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1511 transitions. [2023-11-12 02:21:39,766 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5026613439787092 [2023-11-12 02:21:39,766 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1511 transitions. [2023-11-12 02:21:39,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1511 transitions. [2023-11-12 02:21:39,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:39,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1511 transitions. [2023-11-12 02:21:39,772 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 755.5) internal successors, (1511), 2 states have internal predecessors, (1511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:39,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1503.0) internal successors, (4509), 3 states have internal predecessors, (4509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:39,785 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1503.0) internal successors, (4509), 3 states have internal predecessors, (4509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:39,786 INFO L175 Difference]: Start difference. First operand has 354 places, 434 transitions, 878 flow. Second operand 2 states and 1511 transitions. [2023-11-12 02:21:39,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 339 transitions, 988 flow [2023-11-12 02:21:39,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 339 transitions, 988 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:21:39,799 INFO L231 Difference]: Finished difference. Result has 294 places, 339 transitions, 688 flow [2023-11-12 02:21:39,801 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1503, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=688, PETRI_PLACES=294, PETRI_TRANSITIONS=339} [2023-11-12 02:21:39,804 INFO L281 CegarLoopForPetriNet]: 354 programPoint places, -60 predicate places. [2023-11-12 02:21:39,804 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 339 transitions, 688 flow [2023-11-12 02:21:39,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 639.0) internal successors, (1278), 2 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:39,805 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:39,805 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:21:39,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:21:39,806 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2023-11-12 02:21:39,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:39,806 INFO L85 PathProgramCache]: Analyzing trace with hash 997771913, now seen corresponding path program 1 times [2023-11-12 02:21:39,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:39,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593976620] [2023-11-12 02:21:39,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:39,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:39,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:21:39,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:39,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593976620] [2023-11-12 02:21:39,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593976620] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:39,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:39,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:21:39,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105598398] [2023-11-12 02:21:39,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:39,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:21:39,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:39,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:21:39,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:21:40,014 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 541 out of 1503 [2023-11-12 02:21:40,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 339 transitions, 688 flow. Second operand has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:40,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:40,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 541 of 1503 [2023-11-12 02:21:40,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:21:47,223 INFO L124 PetriNetUnfolderBase]: 37280/73931 cut-off events. [2023-11-12 02:21:47,223 INFO L125 PetriNetUnfolderBase]: For 247/247 co-relation queries the response was YES. [2023-11-12 02:21:47,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131170 conditions, 73931 events. 37280/73931 cut-off events. For 247/247 co-relation queries the response was YES. Maximal size of possible extension queue 1772. Compared 774531 event pairs, 10444 based on Foata normal form. 0/58035 useless extension candidates. Maximal degree in co-relation 131165. Up to 41812 conditions per place. [2023-11-12 02:21:47,901 INFO L140 encePairwiseOnDemand]: 1366/1503 looper letters, 319 selfloop transitions, 105 changer transitions 0/534 dead transitions. [2023-11-12 02:21:47,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 534 transitions, 1931 flow [2023-11-12 02:21:47,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:21:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:21:47,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2079 transitions. [2023-11-12 02:21:47,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46107784431137727 [2023-11-12 02:21:47,911 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2079 transitions. [2023-11-12 02:21:47,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2079 transitions. [2023-11-12 02:21:47,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:21:47,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2079 transitions. [2023-11-12 02:21:47,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 693.0) internal successors, (2079), 3 states have internal predecessors, (2079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:47,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1503.0) internal successors, (6012), 4 states have internal predecessors, (6012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:47,938 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1503.0) internal successors, (6012), 4 states have internal predecessors, (6012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:47,938 INFO L175 Difference]: Start difference. First operand has 294 places, 339 transitions, 688 flow. Second operand 3 states and 2079 transitions. [2023-11-12 02:21:47,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 534 transitions, 1931 flow [2023-11-12 02:21:47,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 534 transitions, 1931 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:21:47,956 INFO L231 Difference]: Finished difference. Result has 298 places, 444 transitions, 1592 flow [2023-11-12 02:21:47,957 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1503, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1592, PETRI_PLACES=298, PETRI_TRANSITIONS=444} [2023-11-12 02:21:47,959 INFO L281 CegarLoopForPetriNet]: 354 programPoint places, -56 predicate places. [2023-11-12 02:21:47,959 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 444 transitions, 1592 flow [2023-11-12 02:21:47,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 543.0) internal successors, (1629), 3 states have internal predecessors, (1629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:47,961 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:21:47,961 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:21:47,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:21:47,962 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 165 more)] === [2023-11-12 02:21:47,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:21:47,962 INFO L85 PathProgramCache]: Analyzing trace with hash -841145312, now seen corresponding path program 1 times [2023-11-12 02:21:47,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:21:47,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934852974] [2023-11-12 02:21:47,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:21:47,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:21:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:21:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:21:48,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:21:48,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934852974] [2023-11-12 02:21:48,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934852974] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:21:48,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:21:48,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:21:48,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298320185] [2023-11-12 02:21:48,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:21:48,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:21:48,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:21:48,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:21:48,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:21:48,052 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 615 out of 1503 [2023-11-12 02:21:48,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 444 transitions, 1592 flow. Second operand has 3 states, 3 states have (on average 617.3333333333334) internal successors, (1852), 3 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:21:48,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:21:48,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 615 of 1503 [2023-11-12 02:21:48,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand