./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 adac70a9b891a5462c4bee71a2751021c9d437d73a002d25ad244a8f2ad465c8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:14:38,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:14:38,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 21:14:38,744 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:14:38,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:14:38,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:14:38,782 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:14:38,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:14:38,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:14:38,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:14:38,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:14:38,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:14:38,790 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:14:38,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:14:38,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:14:38,793 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 21:14:38,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:14:38,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 21:14:38,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:14:38,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:14:38,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:14:38,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:14:38,797 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 21:14:38,797 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:14:38,798 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 21:14:38,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:14:38,799 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:14:38,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:14:38,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:14:38,801 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:14:38,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:14:38,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:14:38,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:14:38,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:14:38,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:14:38,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:14:38,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:14:38,804 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:14:38,805 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:14:38,805 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:14:38,805 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:14:38,806 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_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adac70a9b891a5462c4bee71a2751021c9d437d73a002d25ad244a8f2ad465c8 [2023-11-06 21:14:39,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:14:39,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:14:39,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:14:39,115 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:14:39,115 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:14:39,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i [2023-11-06 21:14:42,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:14:42,437 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:14:42,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/sv-benchmarks/c/pthread-ext/42_FreeBSD_rdma_addr_sliced.i [2023-11-06 21:14:42,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/bin/uautomizer-verify-WvqO1wxjHP/data/ba79c00ed/5a7e14e5005545148fa4c458c594d39e/FLAG08d95a049 [2023-11-06 21:14:42,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/bin/uautomizer-verify-WvqO1wxjHP/data/ba79c00ed/5a7e14e5005545148fa4c458c594d39e [2023-11-06 21:14:42,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:14:42,476 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:14:42,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:14:42,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:14:42,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:14:42,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:14:42" (1/1) ... [2023-11-06 21:14:42,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c47517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:42, skipping insertion in model container [2023-11-06 21:14:42,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:14:42" (1/1) ... [2023-11-06 21:14:42,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:14:42,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:14:42,973 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:14:43,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:14:43,112 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:14:43,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:43 WrapperNode [2023-11-06 21:14:43,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:14:43,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:14:43,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:14:43,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:14:43,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:43" (1/1) ... [2023-11-06 21:14:43,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:43" (1/1) ... [2023-11-06 21:14:43,207 INFO L138 Inliner]: procedures = 176, calls = 41, calls flagged for inlining = 33, calls inlined = 47, statements flattened = 394 [2023-11-06 21:14:43,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:14:43,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:14:43,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:14:43,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:14:43,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:43" (1/1) ... [2023-11-06 21:14:43,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:43" (1/1) ... [2023-11-06 21:14:43,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:43" (1/1) ... [2023-11-06 21:14:43,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:43" (1/1) ... [2023-11-06 21:14:43,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:43" (1/1) ... [2023-11-06 21:14:43,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:43" (1/1) ... [2023-11-06 21:14:43,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:43" (1/1) ... [2023-11-06 21:14:43,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:43" (1/1) ... [2023-11-06 21:14:43,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:14:43,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:14:43,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:14:43,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:14:43,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:43" (1/1) ... [2023-11-06 21:14:43,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:14:43,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:14:43,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:14:43,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80f2bd0b-62bd-4c24-a1c8-4ccb0becf393/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:14:43,401 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-06 21:14:43,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-06 21:14:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:14:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:14:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:14:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:14:43,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:14:43,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:14:43,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:14:43,406 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 21:14:43,582 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:14:43,584 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:14:44,300 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:14:44,618 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:14:44,618 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 21:14:44,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:44 BoogieIcfgContainer [2023-11-06 21:14:44,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:14:44,624 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:14:44,624 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:14:44,627 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:14:44,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:14:42" (1/3) ... [2023-11-06 21:14:44,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@333da55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:14:44, skipping insertion in model container [2023-11-06 21:14:44,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:14:43" (2/3) ... [2023-11-06 21:14:44,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@333da55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:14:44, skipping insertion in model container [2023-11-06 21:14:44,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:14:44" (3/3) ... [2023-11-06 21:14:44,630 INFO L112 eAbstractionObserver]: Analyzing ICFG 42_FreeBSD_rdma_addr_sliced.i [2023-11-06 21:14:44,643 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 21:14:44,652 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:14:44,653 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 50 error locations. [2023-11-06 21:14:44,653 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 21:14:44,739 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 21:14:44,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 251 places, 279 transitions, 562 flow [2023-11-06 21:14:44,883 INFO L124 PetriNetUnfolderBase]: 32/290 cut-off events. [2023-11-06 21:14:44,883 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:14:44,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 290 events. 32/290 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 991 event pairs, 0 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 265. Up to 6 conditions per place. [2023-11-06 21:14:44,896 INFO L82 GeneralOperation]: Start removeDead. Operand has 251 places, 279 transitions, 562 flow [2023-11-06 21:14:44,905 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 251 places, 279 transitions, 562 flow [2023-11-06 21:14:44,909 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 21:14:44,919 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 251 places, 279 transitions, 562 flow [2023-11-06 21:14:44,922 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 251 places, 279 transitions, 562 flow [2023-11-06 21:14:44,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 251 places, 279 transitions, 562 flow [2023-11-06 21:14:44,968 INFO L124 PetriNetUnfolderBase]: 32/290 cut-off events. [2023-11-06 21:14:44,968 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:14:44,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 290 events. 32/290 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 991 event pairs, 0 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 265. Up to 6 conditions per place. [2023-11-06 21:14:44,977 INFO L119 LiptonReduction]: Number of co-enabled transitions 7056 [2023-11-06 21:14:55,109 INFO L134 LiptonReduction]: Checked pairs total: 8257 [2023-11-06 21:14:55,112 INFO L136 LiptonReduction]: Total number of compositions: 501 [2023-11-06 21:14:55,130 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:14:55,138 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=LoopsAndPotentialCycles, 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;@49d77e04, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:14:55,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2023-11-06 21:14:55,144 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 21:14:55,144 INFO L124 PetriNetUnfolderBase]: 1/8 cut-off events. [2023-11-06 21:14:55,145 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:14:55,145 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:14:55,146 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 21:14:55,146 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err22ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-06 21:14:55,153 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:55,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1875852256, now seen corresponding path program 1 times [2023-11-06 21:14:55,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:55,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252276510] [2023-11-06 21:14:55,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:55,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:14:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:14:55,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:14:55,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252276510] [2023-11-06 21:14:55,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252276510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:14:55,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:14:55,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 21:14:55,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748638573] [2023-11-06 21:14:55,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:14:55,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:14:55,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:14:55,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:14:55,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:14:55,389 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 780 [2023-11-06 21:14:55,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 59 transitions, 122 flow. Second operand has 2 states, 2 states have (on average 203.0) internal successors, (406), 2 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:14:55,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:14:55,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 780 [2023-11-06 21:14:55,394 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:14:55,427 INFO L124 PetriNetUnfolderBase]: 4/13 cut-off events. [2023-11-06 21:14:55,427 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:14:55,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 13 events. 4/13 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 9 event pairs, 1 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 17. Up to 12 conditions per place. [2023-11-06 21:14:55,429 INFO L140 encePairwiseOnDemand]: 728/780 looper letters, 5 selfloop transitions, 0 changer transitions 0/7 dead transitions. [2023-11-06 21:14:55,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 10 places, 7 transitions, 28 flow [2023-11-06 21:14:55,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:14:55,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 21:14:55,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 459 transitions. [2023-11-06 21:14:55,455 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.29423076923076924 [2023-11-06 21:14:55,456 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 459 transitions. [2023-11-06 21:14:55,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 459 transitions. [2023-11-06 21:14:55,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:14:55,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 459 transitions. [2023-11-06 21:14:55,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 229.5) internal successors, (459), 2 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:14:55,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 780.0) internal successors, (2340), 3 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:14:55,481 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 780.0) internal successors, (2340), 3 states have internal predecessors, (2340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:14:55,484 INFO L175 Difference]: Start difference. First operand has 61 places, 59 transitions, 122 flow. Second operand 2 states and 459 transitions. [2023-11-06 21:14:55,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 10 places, 7 transitions, 28 flow [2023-11-06 21:14:55,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 7 transitions, 28 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 21:14:55,489 INFO L231 Difference]: Finished difference. Result has 10 places, 7 transitions, 18 flow [2023-11-06 21:14:55,491 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=780, PETRI_DIFFERENCE_MINUEND_FLOW=18, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=18, PETRI_PLACES=10, PETRI_TRANSITIONS=7} [2023-11-06 21:14:55,497 INFO L281 CegarLoopForPetriNet]: 61 programPoint places, -51 predicate places. [2023-11-06 21:14:55,498 INFO L495 AbstractCegarLoop]: Abstraction has has 10 places, 7 transitions, 18 flow [2023-11-06 21:14:55,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 203.0) internal successors, (406), 2 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:14:55,499 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:14:55,499 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2023-11-06 21:14:55,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:14:55,500 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2023-11-06 21:14:55,510 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:14:55,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1977797340, now seen corresponding path program 1 times [2023-11-06 21:14:55,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:14:55,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398134952] [2023-11-06 21:14:55,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:14:55,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:14:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:55,546 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:14:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:14:55,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:14:55,596 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 21:14:55,597 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (100 of 101 remaining) [2023-11-06 21:14:55,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (99 of 101 remaining) [2023-11-06 21:14:55,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (98 of 101 remaining) [2023-11-06 21:14:55,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (97 of 101 remaining) [2023-11-06 21:14:55,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (96 of 101 remaining) [2023-11-06 21:14:55,601 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (95 of 101 remaining) [2023-11-06 21:14:55,602 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (94 of 101 remaining) [2023-11-06 21:14:55,602 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (93 of 101 remaining) [2023-11-06 21:14:55,602 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (92 of 101 remaining) [2023-11-06 21:14:55,603 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (91 of 101 remaining) [2023-11-06 21:14:55,603 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (90 of 101 remaining) [2023-11-06 21:14:55,604 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (89 of 101 remaining) [2023-11-06 21:14:55,604 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (88 of 101 remaining) [2023-11-06 21:14:55,605 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (87 of 101 remaining) [2023-11-06 21:14:55,606 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (86 of 101 remaining) [2023-11-06 21:14:55,606 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (85 of 101 remaining) [2023-11-06 21:14:55,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (84 of 101 remaining) [2023-11-06 21:14:55,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (83 of 101 remaining) [2023-11-06 21:14:55,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (82 of 101 remaining) [2023-11-06 21:14:55,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (81 of 101 remaining) [2023-11-06 21:14:55,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (80 of 101 remaining) [2023-11-06 21:14:55,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (79 of 101 remaining) [2023-11-06 21:14:55,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (78 of 101 remaining) [2023-11-06 21:14:55,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (77 of 101 remaining) [2023-11-06 21:14:55,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (76 of 101 remaining) [2023-11-06 21:14:55,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (75 of 101 remaining) [2023-11-06 21:14:55,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (74 of 101 remaining) [2023-11-06 21:14:55,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (73 of 101 remaining) [2023-11-06 21:14:55,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (72 of 101 remaining) [2023-11-06 21:14:55,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (71 of 101 remaining) [2023-11-06 21:14:55,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (70 of 101 remaining) [2023-11-06 21:14:55,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (69 of 101 remaining) [2023-11-06 21:14:55,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (68 of 101 remaining) [2023-11-06 21:14:55,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (67 of 101 remaining) [2023-11-06 21:14:55,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (66 of 101 remaining) [2023-11-06 21:14:55,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (65 of 101 remaining) [2023-11-06 21:14:55,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (64 of 101 remaining) [2023-11-06 21:14:55,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (63 of 101 remaining) [2023-11-06 21:14:55,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (62 of 101 remaining) [2023-11-06 21:14:55,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (61 of 101 remaining) [2023-11-06 21:14:55,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (60 of 101 remaining) [2023-11-06 21:14:55,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (59 of 101 remaining) [2023-11-06 21:14:55,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (58 of 101 remaining) [2023-11-06 21:14:55,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (57 of 101 remaining) [2023-11-06 21:14:55,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (56 of 101 remaining) [2023-11-06 21:14:55,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (55 of 101 remaining) [2023-11-06 21:14:55,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (54 of 101 remaining) [2023-11-06 21:14:55,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (53 of 101 remaining) [2023-11-06 21:14:55,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (52 of 101 remaining) [2023-11-06 21:14:55,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (51 of 101 remaining) [2023-11-06 21:14:55,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (50 of 101 remaining) [2023-11-06 21:14:55,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (49 of 101 remaining) [2023-11-06 21:14:55,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (48 of 101 remaining) [2023-11-06 21:14:55,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (47 of 101 remaining) [2023-11-06 21:14:55,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (46 of 101 remaining) [2023-11-06 21:14:55,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (45 of 101 remaining) [2023-11-06 21:14:55,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (44 of 101 remaining) [2023-11-06 21:14:55,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (43 of 101 remaining) [2023-11-06 21:14:55,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (42 of 101 remaining) [2023-11-06 21:14:55,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (41 of 101 remaining) [2023-11-06 21:14:55,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (40 of 101 remaining) [2023-11-06 21:14:55,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 101 remaining) [2023-11-06 21:14:55,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 101 remaining) [2023-11-06 21:14:55,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (37 of 101 remaining) [2023-11-06 21:14:55,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (36 of 101 remaining) [2023-11-06 21:14:55,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (35 of 101 remaining) [2023-11-06 21:14:55,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (34 of 101 remaining) [2023-11-06 21:14:55,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (33 of 101 remaining) [2023-11-06 21:14:55,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (32 of 101 remaining) [2023-11-06 21:14:55,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (31 of 101 remaining) [2023-11-06 21:14:55,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (30 of 101 remaining) [2023-11-06 21:14:55,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (29 of 101 remaining) [2023-11-06 21:14:55,640 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (28 of 101 remaining) [2023-11-06 21:14:55,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (27 of 101 remaining) [2023-11-06 21:14:55,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (26 of 101 remaining) [2023-11-06 21:14:55,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (25 of 101 remaining) [2023-11-06 21:14:55,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 101 remaining) [2023-11-06 21:14:55,641 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (23 of 101 remaining) [2023-11-06 21:14:55,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (22 of 101 remaining) [2023-11-06 21:14:55,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (21 of 101 remaining) [2023-11-06 21:14:55,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (20 of 101 remaining) [2023-11-06 21:14:55,642 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (19 of 101 remaining) [2023-11-06 21:14:55,647 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (18 of 101 remaining) [2023-11-06 21:14:55,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (17 of 101 remaining) [2023-11-06 21:14:55,648 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (16 of 101 remaining) [2023-11-06 21:14:55,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (15 of 101 remaining) [2023-11-06 21:14:55,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (14 of 101 remaining) [2023-11-06 21:14:55,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (13 of 101 remaining) [2023-11-06 21:14:55,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (12 of 101 remaining) [2023-11-06 21:14:55,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (11 of 101 remaining) [2023-11-06 21:14:55,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (10 of 101 remaining) [2023-11-06 21:14:55,650 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (9 of 101 remaining) [2023-11-06 21:14:55,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (8 of 101 remaining) [2023-11-06 21:14:55,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (7 of 101 remaining) [2023-11-06 21:14:55,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (6 of 101 remaining) [2023-11-06 21:14:55,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (5 of 101 remaining) [2023-11-06 21:14:55,651 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (4 of 101 remaining) [2023-11-06 21:14:55,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (3 of 101 remaining) [2023-11-06 21:14:55,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (2 of 101 remaining) [2023-11-06 21:14:55,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (1 of 101 remaining) [2023-11-06 21:14:55,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (0 of 101 remaining) [2023-11-06 21:14:55,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:14:55,653 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 21:14:55,656 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-06 21:14:55,657 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-11-06 21:14:55,719 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 21:14:55,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 476 places, 532 transitions, 1074 flow [2023-11-06 21:14:55,982 INFO L124 PetriNetUnfolderBase]: 63/556 cut-off events. [2023-11-06 21:14:55,982 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 21:14:56,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 564 conditions, 556 events. 63/556 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2789 event pairs, 0 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 517. Up to 6 conditions per place. [2023-11-06 21:14:56,001 INFO L82 GeneralOperation]: Start removeDead. Operand has 476 places, 532 transitions, 1074 flow [2023-11-06 21:14:56,023 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 476 places, 532 transitions, 1074 flow [2023-11-06 21:14:56,023 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 21:14:56,023 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 476 places, 532 transitions, 1074 flow [2023-11-06 21:14:56,024 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 476 places, 532 transitions, 1074 flow [2023-11-06 21:14:56,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 476 places, 532 transitions, 1074 flow [2023-11-06 21:14:56,172 INFO L124 PetriNetUnfolderBase]: 63/556 cut-off events. [2023-11-06 21:14:56,173 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 21:14:56,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 564 conditions, 556 events. 63/556 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2789 event pairs, 0 based on Foata normal form. 0/390 useless extension candidates. Maximal degree in co-relation 517. Up to 6 conditions per place. [2023-11-06 21:14:56,248 INFO L119 LiptonReduction]: Number of co-enabled transitions 141624 [2023-11-06 21:15:04,113 INFO L134 LiptonReduction]: Checked pairs total: 666490 [2023-11-06 21:15:04,113 INFO L136 LiptonReduction]: Total number of compositions: 514 [2023-11-06 21:15:04,116 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:15:04,117 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=LoopsAndPotentialCycles, 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;@49d77e04, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:15:04,117 INFO L358 AbstractCegarLoop]: Starting to check reachability of 151 error locations. [2023-11-06 21:15:04,119 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 21:15:04,119 INFO L124 PetriNetUnfolderBase]: 1/8 cut-off events. [2023-11-06 21:15:04,119 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:15:04,119 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:15:04,120 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 21:15:04,120 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 147 more)] === [2023-11-06 21:15:04,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:04,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1158603173, now seen corresponding path program 1 times [2023-11-06 21:15:04,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:04,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517118763] [2023-11-06 21:15:04,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:04,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:04,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:04,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:04,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517118763] [2023-11-06 21:15:04,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517118763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:04,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:04,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 21:15:04,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679960174] [2023-11-06 21:15:04,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:04,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:15:04,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:04,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:15:04,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:15:04,191 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 378 out of 1046 [2023-11-06 21:15:04,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 274 transitions, 558 flow. Second operand has 2 states, 2 states have (on average 380.0) internal successors, (760), 2 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:04,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:15:04,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 378 of 1046 [2023-11-06 21:15:04,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:15:05,139 INFO L124 PetriNetUnfolderBase]: 2780/6707 cut-off events. [2023-11-06 21:15:05,140 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2023-11-06 21:15:05,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10667 conditions, 6707 events. 2780/6707 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 56159 event pairs, 1519 based on Foata normal form. 649/5501 useless extension candidates. Maximal degree in co-relation 3831. Up to 3889 conditions per place. [2023-11-06 21:15:05,212 INFO L140 encePairwiseOnDemand]: 965/1046 looper letters, 63 selfloop transitions, 0 changer transitions 0/193 dead transitions. [2023-11-06 21:15:05,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 193 transitions, 522 flow [2023-11-06 21:15:05,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:15:05,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 21:15:05,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 900 transitions. [2023-11-06 21:15:05,221 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43021032504780116 [2023-11-06 21:15:05,221 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 900 transitions. [2023-11-06 21:15:05,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 900 transitions. [2023-11-06 21:15:05,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:15:05,222 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 900 transitions. [2023-11-06 21:15:05,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 450.0) internal successors, (900), 2 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:05,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1046.0) internal successors, (3138), 3 states have internal predecessors, (3138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:05,239 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1046.0) internal successors, (3138), 3 states have internal predecessors, (3138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:05,239 INFO L175 Difference]: Start difference. First operand has 247 places, 274 transitions, 558 flow. Second operand 2 states and 900 transitions. [2023-11-06 21:15:05,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 193 transitions, 522 flow [2023-11-06 21:15:05,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 193 transitions, 522 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 21:15:05,248 INFO L231 Difference]: Finished difference. Result has 181 places, 193 transitions, 396 flow [2023-11-06 21:15:05,249 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1046, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=396, PETRI_PLACES=181, PETRI_TRANSITIONS=193} [2023-11-06 21:15:05,250 INFO L281 CegarLoopForPetriNet]: 247 programPoint places, -66 predicate places. [2023-11-06 21:15:05,250 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 193 transitions, 396 flow [2023-11-06 21:15:05,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 380.0) internal successors, (760), 2 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:05,251 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:15:05,252 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:05,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 21:15:05,252 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err47ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 147 more)] === [2023-11-06 21:15:05,252 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:05,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1020997142, now seen corresponding path program 1 times [2023-11-06 21:15:05,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:05,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400087238] [2023-11-06 21:15:05,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:05,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:05,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:05,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:05,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400087238] [2023-11-06 21:15:05,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400087238] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:05,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:05,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:15:05,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020902088] [2023-11-06 21:15:05,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:05,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:15:05,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:05,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:15:05,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:15:05,426 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 1046 [2023-11-06 21:15:05,428 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 193 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:05,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:15:05,429 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 1046 [2023-11-06 21:15:05,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:15:07,951 INFO L124 PetriNetUnfolderBase]: 9726/20754 cut-off events. [2023-11-06 21:15:07,951 INFO L125 PetriNetUnfolderBase]: For 118/118 co-relation queries the response was YES. [2023-11-06 21:15:08,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35700 conditions, 20754 events. 9726/20754 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 648. Compared 194325 event pairs, 2145 based on Foata normal form. 0/16467 useless extension candidates. Maximal degree in co-relation 35695. Up to 7593 conditions per place. [2023-11-06 21:15:08,105 INFO L140 encePairwiseOnDemand]: 970/1046 looper letters, 132 selfloop transitions, 62 changer transitions 0/282 dead transitions. [2023-11-06 21:15:08,105 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 282 transitions, 967 flow [2023-11-06 21:15:08,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:15:08,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 21:15:08,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1216 transitions. [2023-11-06 21:15:08,112 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38750796685787126 [2023-11-06 21:15:08,112 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1216 transitions. [2023-11-06 21:15:08,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1216 transitions. [2023-11-06 21:15:08,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:15:08,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1216 transitions. [2023-11-06 21:15:08,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 405.3333333333333) internal successors, (1216), 3 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:08,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1046.0) internal successors, (4184), 4 states have internal predecessors, (4184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:08,129 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1046.0) internal successors, (4184), 4 states have internal predecessors, (4184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:08,129 INFO L175 Difference]: Start difference. First operand has 181 places, 193 transitions, 396 flow. Second operand 3 states and 1216 transitions. [2023-11-06 21:15:08,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 282 transitions, 967 flow [2023-11-06 21:15:08,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 282 transitions, 967 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 21:15:08,142 INFO L231 Difference]: Finished difference. Result has 185 places, 255 transitions, 920 flow [2023-11-06 21:15:08,143 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1046, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=920, PETRI_PLACES=185, PETRI_TRANSITIONS=255} [2023-11-06 21:15:08,146 INFO L281 CegarLoopForPetriNet]: 247 programPoint places, -62 predicate places. [2023-11-06 21:15:08,146 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 255 transitions, 920 flow [2023-11-06 21:15:08,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 338.0) internal successors, (1014), 3 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:08,147 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:15:08,148 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:08,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 21:15:08,148 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err34ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 147 more)] === [2023-11-06 21:15:08,148 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:08,149 INFO L85 PathProgramCache]: Analyzing trace with hash 507867611, now seen corresponding path program 1 times [2023-11-06 21:15:08,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:08,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401639898] [2023-11-06 21:15:08,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:08,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:08,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:08,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:08,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401639898] [2023-11-06 21:15:08,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401639898] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:08,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:08,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:15:08,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437450705] [2023-11-06 21:15:08,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:08,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:15:08,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:08,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:15:08,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:15:08,295 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 1046 [2023-11-06 21:15:08,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 255 transitions, 920 flow. Second operand has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:08,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:15:08,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 1046 [2023-11-06 21:15:08,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:15:12,480 INFO L124 PetriNetUnfolderBase]: 18521/38169 cut-off events. [2023-11-06 21:15:12,480 INFO L125 PetriNetUnfolderBase]: For 11949/12161 co-relation queries the response was YES. [2023-11-06 21:15:12,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90394 conditions, 38169 events. 18521/38169 cut-off events. For 11949/12161 co-relation queries the response was YES. Maximal size of possible extension queue 1183. Compared 379687 event pairs, 3555 based on Foata normal form. 36/32361 useless extension candidates. Maximal degree in co-relation 90387. Up to 14690 conditions per place. [2023-11-06 21:15:12,768 INFO L140 encePairwiseOnDemand]: 1010/1046 looper letters, 216 selfloop transitions, 26 changer transitions 0/370 dead transitions. [2023-11-06 21:15:12,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 370 transitions, 1843 flow [2023-11-06 21:15:12,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:15:12,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 21:15:12,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1210 transitions. [2023-11-06 21:15:12,774 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38559592096876993 [2023-11-06 21:15:12,774 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1210 transitions. [2023-11-06 21:15:12,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1210 transitions. [2023-11-06 21:15:12,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:15:12,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1210 transitions. [2023-11-06 21:15:12,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:12,787 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1046.0) internal successors, (4184), 4 states have internal predecessors, (4184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:12,790 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1046.0) internal successors, (4184), 4 states have internal predecessors, (4184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:12,791 INFO L175 Difference]: Start difference. First operand has 185 places, 255 transitions, 920 flow. Second operand 3 states and 1210 transitions. [2023-11-06 21:15:12,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 370 transitions, 1843 flow [2023-11-06 21:15:12,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 370 transitions, 1651 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 21:15:12,856 INFO L231 Difference]: Finished difference. Result has 187 places, 281 transitions, 1024 flow [2023-11-06 21:15:12,856 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1046, PETRI_DIFFERENCE_MINUEND_FLOW=796, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1024, PETRI_PLACES=187, PETRI_TRANSITIONS=281} [2023-11-06 21:15:12,858 INFO L281 CegarLoopForPetriNet]: 247 programPoint places, -60 predicate places. [2023-11-06 21:15:12,858 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 281 transitions, 1024 flow [2023-11-06 21:15:12,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:12,860 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:15:12,860 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-11-06 21:15:12,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 21:15:12,860 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 147 more)] === [2023-11-06 21:15:12,860 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:12,861 INFO L85 PathProgramCache]: Analyzing trace with hash 822537385, now seen corresponding path program 1 times [2023-11-06 21:15:12,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:12,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091991714] [2023-11-06 21:15:12,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:12,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:15:12,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 21:15:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 21:15:12,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 21:15:12,907 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 21:15:12,908 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (150 of 151 remaining) [2023-11-06 21:15:12,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (149 of 151 remaining) [2023-11-06 21:15:12,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (148 of 151 remaining) [2023-11-06 21:15:12,908 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (147 of 151 remaining) [2023-11-06 21:15:12,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (146 of 151 remaining) [2023-11-06 21:15:12,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (145 of 151 remaining) [2023-11-06 21:15:12,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (144 of 151 remaining) [2023-11-06 21:15:12,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (143 of 151 remaining) [2023-11-06 21:15:12,909 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (142 of 151 remaining) [2023-11-06 21:15:12,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (141 of 151 remaining) [2023-11-06 21:15:12,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (140 of 151 remaining) [2023-11-06 21:15:12,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (139 of 151 remaining) [2023-11-06 21:15:12,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (138 of 151 remaining) [2023-11-06 21:15:12,910 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (137 of 151 remaining) [2023-11-06 21:15:12,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (136 of 151 remaining) [2023-11-06 21:15:12,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (135 of 151 remaining) [2023-11-06 21:15:12,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (134 of 151 remaining) [2023-11-06 21:15:12,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (133 of 151 remaining) [2023-11-06 21:15:12,911 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (132 of 151 remaining) [2023-11-06 21:15:12,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (131 of 151 remaining) [2023-11-06 21:15:12,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (130 of 151 remaining) [2023-11-06 21:15:12,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (129 of 151 remaining) [2023-11-06 21:15:12,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (128 of 151 remaining) [2023-11-06 21:15:12,912 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (127 of 151 remaining) [2023-11-06 21:15:12,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (126 of 151 remaining) [2023-11-06 21:15:12,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (125 of 151 remaining) [2023-11-06 21:15:12,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (124 of 151 remaining) [2023-11-06 21:15:12,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (123 of 151 remaining) [2023-11-06 21:15:12,913 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (122 of 151 remaining) [2023-11-06 21:15:12,914 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (121 of 151 remaining) [2023-11-06 21:15:12,914 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (120 of 151 remaining) [2023-11-06 21:15:12,914 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (119 of 151 remaining) [2023-11-06 21:15:12,914 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (118 of 151 remaining) [2023-11-06 21:15:12,914 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (117 of 151 remaining) [2023-11-06 21:15:12,915 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (116 of 151 remaining) [2023-11-06 21:15:12,915 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (115 of 151 remaining) [2023-11-06 21:15:12,915 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (114 of 151 remaining) [2023-11-06 21:15:12,915 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (113 of 151 remaining) [2023-11-06 21:15:12,915 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (112 of 151 remaining) [2023-11-06 21:15:12,916 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (111 of 151 remaining) [2023-11-06 21:15:12,916 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (110 of 151 remaining) [2023-11-06 21:15:12,916 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (109 of 151 remaining) [2023-11-06 21:15:12,916 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (108 of 151 remaining) [2023-11-06 21:15:12,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (107 of 151 remaining) [2023-11-06 21:15:12,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (106 of 151 remaining) [2023-11-06 21:15:12,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (105 of 151 remaining) [2023-11-06 21:15:12,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (104 of 151 remaining) [2023-11-06 21:15:12,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (103 of 151 remaining) [2023-11-06 21:15:12,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (102 of 151 remaining) [2023-11-06 21:15:12,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (101 of 151 remaining) [2023-11-06 21:15:12,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (100 of 151 remaining) [2023-11-06 21:15:12,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (99 of 151 remaining) [2023-11-06 21:15:12,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (98 of 151 remaining) [2023-11-06 21:15:12,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (97 of 151 remaining) [2023-11-06 21:15:12,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (96 of 151 remaining) [2023-11-06 21:15:12,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (95 of 151 remaining) [2023-11-06 21:15:12,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (94 of 151 remaining) [2023-11-06 21:15:12,919 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (93 of 151 remaining) [2023-11-06 21:15:12,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (92 of 151 remaining) [2023-11-06 21:15:12,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (91 of 151 remaining) [2023-11-06 21:15:12,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (90 of 151 remaining) [2023-11-06 21:15:12,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (89 of 151 remaining) [2023-11-06 21:15:12,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (88 of 151 remaining) [2023-11-06 21:15:12,920 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (87 of 151 remaining) [2023-11-06 21:15:12,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (86 of 151 remaining) [2023-11-06 21:15:12,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (85 of 151 remaining) [2023-11-06 21:15:12,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (84 of 151 remaining) [2023-11-06 21:15:12,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (83 of 151 remaining) [2023-11-06 21:15:12,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (82 of 151 remaining) [2023-11-06 21:15:12,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (81 of 151 remaining) [2023-11-06 21:15:12,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (80 of 151 remaining) [2023-11-06 21:15:12,922 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (79 of 151 remaining) [2023-11-06 21:15:12,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (78 of 151 remaining) [2023-11-06 21:15:12,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (77 of 151 remaining) [2023-11-06 21:15:12,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (76 of 151 remaining) [2023-11-06 21:15:12,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (75 of 151 remaining) [2023-11-06 21:15:12,923 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (74 of 151 remaining) [2023-11-06 21:15:12,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (73 of 151 remaining) [2023-11-06 21:15:12,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (72 of 151 remaining) [2023-11-06 21:15:12,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (71 of 151 remaining) [2023-11-06 21:15:12,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (70 of 151 remaining) [2023-11-06 21:15:12,924 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (69 of 151 remaining) [2023-11-06 21:15:12,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (68 of 151 remaining) [2023-11-06 21:15:12,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (67 of 151 remaining) [2023-11-06 21:15:12,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (66 of 151 remaining) [2023-11-06 21:15:12,925 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (65 of 151 remaining) [2023-11-06 21:15:12,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (64 of 151 remaining) [2023-11-06 21:15:12,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (63 of 151 remaining) [2023-11-06 21:15:12,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (62 of 151 remaining) [2023-11-06 21:15:12,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (61 of 151 remaining) [2023-11-06 21:15:12,926 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (60 of 151 remaining) [2023-11-06 21:15:12,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (59 of 151 remaining) [2023-11-06 21:15:12,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (58 of 151 remaining) [2023-11-06 21:15:12,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (57 of 151 remaining) [2023-11-06 21:15:12,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (56 of 151 remaining) [2023-11-06 21:15:12,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (55 of 151 remaining) [2023-11-06 21:15:12,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (54 of 151 remaining) [2023-11-06 21:15:12,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (53 of 151 remaining) [2023-11-06 21:15:12,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (52 of 151 remaining) [2023-11-06 21:15:12,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (51 of 151 remaining) [2023-11-06 21:15:12,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (50 of 151 remaining) [2023-11-06 21:15:12,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (49 of 151 remaining) [2023-11-06 21:15:12,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (48 of 151 remaining) [2023-11-06 21:15:12,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (47 of 151 remaining) [2023-11-06 21:15:12,929 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (46 of 151 remaining) [2023-11-06 21:15:12,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (45 of 151 remaining) [2023-11-06 21:15:12,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (44 of 151 remaining) [2023-11-06 21:15:12,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (43 of 151 remaining) [2023-11-06 21:15:12,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (42 of 151 remaining) [2023-11-06 21:15:12,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (41 of 151 remaining) [2023-11-06 21:15:12,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (40 of 151 remaining) [2023-11-06 21:15:12,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (39 of 151 remaining) [2023-11-06 21:15:12,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (38 of 151 remaining) [2023-11-06 21:15:12,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (37 of 151 remaining) [2023-11-06 21:15:12,931 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (36 of 151 remaining) [2023-11-06 21:15:12,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err45ASSERT_VIOLATIONDATA_RACE (35 of 151 remaining) [2023-11-06 21:15:12,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err46ASSERT_VIOLATIONDATA_RACE (34 of 151 remaining) [2023-11-06 21:15:12,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (33 of 151 remaining) [2023-11-06 21:15:12,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (32 of 151 remaining) [2023-11-06 21:15:12,932 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err47ASSERT_VIOLATIONDATA_RACE (31 of 151 remaining) [2023-11-06 21:15:12,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (30 of 151 remaining) [2023-11-06 21:15:12,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err48ASSERT_VIOLATIONDATA_RACE (29 of 151 remaining) [2023-11-06 21:15:12,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err49ASSERT_VIOLATIONDATA_RACE (28 of 151 remaining) [2023-11-06 21:15:12,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (27 of 151 remaining) [2023-11-06 21:15:12,933 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (26 of 151 remaining) [2023-11-06 21:15:12,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (25 of 151 remaining) [2023-11-06 21:15:12,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 151 remaining) [2023-11-06 21:15:12,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (23 of 151 remaining) [2023-11-06 21:15:12,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (22 of 151 remaining) [2023-11-06 21:15:12,934 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (21 of 151 remaining) [2023-11-06 21:15:12,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (20 of 151 remaining) [2023-11-06 21:15:12,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (19 of 151 remaining) [2023-11-06 21:15:12,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (18 of 151 remaining) [2023-11-06 21:15:12,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (17 of 151 remaining) [2023-11-06 21:15:12,935 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (16 of 151 remaining) [2023-11-06 21:15:12,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (15 of 151 remaining) [2023-11-06 21:15:12,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (14 of 151 remaining) [2023-11-06 21:15:12,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (13 of 151 remaining) [2023-11-06 21:15:12,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (12 of 151 remaining) [2023-11-06 21:15:12,936 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (11 of 151 remaining) [2023-11-06 21:15:12,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err40ASSERT_VIOLATIONDATA_RACE (10 of 151 remaining) [2023-11-06 21:15:12,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (9 of 151 remaining) [2023-11-06 21:15:12,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (8 of 151 remaining) [2023-11-06 21:15:12,937 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (7 of 151 remaining) [2023-11-06 21:15:12,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err41ASSERT_VIOLATIONDATA_RACE (6 of 151 remaining) [2023-11-06 21:15:12,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (5 of 151 remaining) [2023-11-06 21:15:12,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err42ASSERT_VIOLATIONDATA_RACE (4 of 151 remaining) [2023-11-06 21:15:12,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err43ASSERT_VIOLATIONDATA_RACE (3 of 151 remaining) [2023-11-06 21:15:12,938 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err44ASSERT_VIOLATIONDATA_RACE (2 of 151 remaining) [2023-11-06 21:15:12,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (1 of 151 remaining) [2023-11-06 21:15:12,939 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (0 of 151 remaining) [2023-11-06 21:15:12,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 21:15:12,939 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 21:15:12,940 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2023-11-06 21:15:12,940 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2023-11-06 21:15:13,003 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 21:15:13,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 701 places, 785 transitions, 1588 flow [2023-11-06 21:15:13,399 INFO L124 PetriNetUnfolderBase]: 94/822 cut-off events. [2023-11-06 21:15:13,399 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-06 21:15:13,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 835 conditions, 822 events. 94/822 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4810 event pairs, 0 based on Foata normal form. 0/574 useless extension candidates. Maximal degree in co-relation 769. Up to 8 conditions per place. [2023-11-06 21:15:13,422 INFO L82 GeneralOperation]: Start removeDead. Operand has 701 places, 785 transitions, 1588 flow [2023-11-06 21:15:13,458 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 701 places, 785 transitions, 1588 flow [2023-11-06 21:15:13,458 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 21:15:13,458 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 701 places, 785 transitions, 1588 flow [2023-11-06 21:15:13,459 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 701 places, 785 transitions, 1588 flow [2023-11-06 21:15:13,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 701 places, 785 transitions, 1588 flow [2023-11-06 21:15:13,829 INFO L124 PetriNetUnfolderBase]: 94/822 cut-off events. [2023-11-06 21:15:13,829 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-06 21:15:13,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 835 conditions, 822 events. 94/822 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4810 event pairs, 0 based on Foata normal form. 0/574 useless extension candidates. Maximal degree in co-relation 769. Up to 8 conditions per place. [2023-11-06 21:15:14,010 INFO L119 LiptonReduction]: Number of co-enabled transitions 403704 [2023-11-06 21:15:25,022 INFO L134 LiptonReduction]: Checked pairs total: 2132487 [2023-11-06 21:15:25,022 INFO L136 LiptonReduction]: Total number of compositions: 759 [2023-11-06 21:15:25,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:15:25,025 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=LoopsAndPotentialCycles, 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;@49d77e04, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:15:25,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 201 error locations. [2023-11-06 21:15:25,028 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 21:15:25,028 INFO L124 PetriNetUnfolderBase]: 1/9 cut-off events. [2023-11-06 21:15:25,028 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 21:15:25,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:15:25,029 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 21:15:25,029 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 197 more)] === [2023-11-06 21:15:25,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:25,030 INFO L85 PathProgramCache]: Analyzing trace with hash 497312964, now seen corresponding path program 1 times [2023-11-06 21:15:25,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:25,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611891838] [2023-11-06 21:15:25,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:25,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:25,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:25,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:25,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611891838] [2023-11-06 21:15:25,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611891838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:25,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:25,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 21:15:25,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720017413] [2023-11-06 21:15:25,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:25,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 21:15:25,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:25,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 21:15:25,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 21:15:25,052 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 555 out of 1544 [2023-11-06 21:15:25,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 367 places, 408 transitions, 834 flow. Second operand has 2 states, 2 states have (on average 557.0) internal successors, (1114), 2 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:25,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:15:25,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 555 of 1544 [2023-11-06 21:15:25,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 21:15:44,676 INFO L124 PetriNetUnfolderBase]: 108035/195293 cut-off events. [2023-11-06 21:15:44,676 INFO L125 PetriNetUnfolderBase]: For 3532/3532 co-relation queries the response was YES. [2023-11-06 21:15:45,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332161 conditions, 195293 events. 108035/195293 cut-off events. For 3532/3532 co-relation queries the response was YES. Maximal size of possible extension queue 4244. Compared 2093331 event pairs, 61838 based on Foata normal form. 23134/160455 useless extension candidates. Maximal degree in co-relation 55242. Up to 134664 conditions per place. [2023-11-06 21:15:46,337 INFO L140 encePairwiseOnDemand]: 1423/1544 looper letters, 93 selfloop transitions, 0 changer transitions 0/287 dead transitions. [2023-11-06 21:15:46,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 287 transitions, 778 flow [2023-11-06 21:15:46,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 21:15:46,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 21:15:46,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1324 transitions. [2023-11-06 21:15:46,344 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42875647668393785 [2023-11-06 21:15:46,344 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1324 transitions. [2023-11-06 21:15:46,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1324 transitions. [2023-11-06 21:15:46,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 21:15:46,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1324 transitions. [2023-11-06 21:15:46,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 662.0) internal successors, (1324), 2 states have internal predecessors, (1324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:46,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1544.0) internal successors, (4632), 3 states have internal predecessors, (4632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:46,364 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1544.0) internal successors, (4632), 3 states have internal predecessors, (4632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:46,364 INFO L175 Difference]: Start difference. First operand has 367 places, 408 transitions, 834 flow. Second operand 2 states and 1324 transitions. [2023-11-06 21:15:46,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 287 transitions, 778 flow [2023-11-06 21:15:46,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 287 transitions, 776 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-11-06 21:15:46,377 INFO L231 Difference]: Finished difference. Result has 268 places, 287 transitions, 590 flow [2023-11-06 21:15:46,378 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1544, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=590, PETRI_PLACES=268, PETRI_TRANSITIONS=287} [2023-11-06 21:15:46,379 INFO L281 CegarLoopForPetriNet]: 367 programPoint places, -99 predicate places. [2023-11-06 21:15:46,379 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 287 transitions, 590 flow [2023-11-06 21:15:46,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 557.0) internal successors, (1114), 2 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:46,380 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 21:15:46,380 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:15:46,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 21:15:46,381 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err23ASSERT_VIOLATIONDATA_RACE === [thr1Err21ASSERT_VIOLATIONDATA_RACE, thr1Err22ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err26ASSERT_VIOLATIONDATA_RACE (and 197 more)] === [2023-11-06 21:15:46,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:15:46,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1176561177, now seen corresponding path program 1 times [2023-11-06 21:15:46,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:15:46,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651836052] [2023-11-06 21:15:46,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:15:46,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:15:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:15:46,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 21:15:46,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:15:46,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651836052] [2023-11-06 21:15:46,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651836052] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:15:46,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:15:46,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:15:46,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274748178] [2023-11-06 21:15:46,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:15:46,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:15:46,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:15:46,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:15:46,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:15:46,485 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 492 out of 1544 [2023-11-06 21:15:46,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 287 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 494.0) internal successors, (1482), 3 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 21:15:46,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 21:15:46,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 492 of 1544 [2023-11-06 21:15:46,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand