./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ --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 a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:17:09,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:17:09,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:17:09,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:17:09,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:17:09,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:17:09,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:17:09,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:17:09,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:17:09,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:17:09,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:17:09,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:17:09,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:17:09,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:17:09,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:17:09,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:17:09,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:17:09,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:17:09,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:17:09,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:17:09,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:17:09,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:17:09,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:17:09,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:17:09,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:17:09,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:17:09,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:17:09,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:17:09,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:17:09,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:17:09,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:17:09,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:17:09,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:17:09,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:17:09,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:17:09,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:17:09,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:17:09,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:17:09,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:17:09,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:17:09,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:17:09,510 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-10-17 10:17:09,557 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:17:09,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:17:09,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:17:09,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:17:09,559 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:17:09,559 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:17:09,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:17:09,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:17:09,561 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:17:09,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:17:09,562 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:17:09,562 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:17:09,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:17:09,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:17:09,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:17:09,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:17:09,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:17:09,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:17:09,563 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-10-17 10:17:09,564 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:17:09,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:17:09,564 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:17:09,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:17:09,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:17:09,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:17:09,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:17:09,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:17:09,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:17:09,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:17:09,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:17:09,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:17:09,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:17:09,568 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:17:09,568 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:17:09,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:17:09,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a98c974c803b808e0d7e2f56f44a4386aecc7f9a41003cc6d1be849c6b132112 [2022-10-17 10:17:09,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:17:09,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:17:09,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:17:09,900 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:17:09,901 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:17:09,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2022-10-17 10:17:09,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ/data/5ad9f5812/7216718efe1844df88dfb35740bda65f/FLAG33b66c944 [2022-10-17 10:17:10,689 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:17:10,690 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/sv-benchmarks/c/goblint-regression/09-regions_26-alloc_region_rc.i [2022-10-17 10:17:10,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ/data/5ad9f5812/7216718efe1844df88dfb35740bda65f/FLAG33b66c944 [2022-10-17 10:17:10,723 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ/data/5ad9f5812/7216718efe1844df88dfb35740bda65f [2022-10-17 10:17:10,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:17:10,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:17:10,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:17:10,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:17:10,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:17:10,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:17:10" (1/1) ... [2022-10-17 10:17:10,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3144ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:10, skipping insertion in model container [2022-10-17 10:17:10,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:17:10" (1/1) ... [2022-10-17 10:17:10,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:17:10,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:17:11,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:17:11,562 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:17:11,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:17:11,745 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:17:11,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:11 WrapperNode [2022-10-17 10:17:11,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:17:11,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:17:11,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:17:11,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:17:11,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:11" (1/1) ... [2022-10-17 10:17:11,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:11" (1/1) ... [2022-10-17 10:17:11,857 INFO L138 Inliner]: procedures = 370, calls = 51, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 241 [2022-10-17 10:17:11,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:17:11,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:17:11,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:17:11,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:17:11,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:11" (1/1) ... [2022-10-17 10:17:11,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:11" (1/1) ... [2022-10-17 10:17:11,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:11" (1/1) ... [2022-10-17 10:17:11,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:11" (1/1) ... [2022-10-17 10:17:11,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:11" (1/1) ... [2022-10-17 10:17:11,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:11" (1/1) ... [2022-10-17 10:17:11,975 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:11" (1/1) ... [2022-10-17 10:17:11,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:11" (1/1) ... [2022-10-17 10:17:11,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:17:11,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:17:11,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:17:11,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:17:11,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:11" (1/1) ... [2022-10-17 10:17:12,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:17:12,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:17:12,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:17:12,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_806b58de-fd07-48c5-b484-d23f903c89b5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:17:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:17:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:17:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:17:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:17:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:17:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:17:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 10:17:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:17:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:17:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:17:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-17 10:17:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-17 10:17:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:17:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:17:12,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:17:12,099 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 10:17:12,304 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:17:12,311 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:17:12,921 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:17:12,934 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:17:12,935 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:17:12,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:17:12 BoogieIcfgContainer [2022-10-17 10:17:12,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:17:12,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:17:12,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:17:12,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:17:12,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:17:10" (1/3) ... [2022-10-17 10:17:12,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dccf786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:17:12, skipping insertion in model container [2022-10-17 10:17:12,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:17:11" (2/3) ... [2022-10-17 10:17:12,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dccf786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:17:12, skipping insertion in model container [2022-10-17 10:17:12,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:17:12" (3/3) ... [2022-10-17 10:17:12,948 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_26-alloc_region_rc.i [2022-10-17 10:17:12,958 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 10:17:12,970 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:17:12,970 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-10-17 10:17:12,970 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 10:17:13,152 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-17 10:17:13,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 281 places, 279 transitions, 563 flow [2022-10-17 10:17:13,422 INFO L130 PetriNetUnfolder]: 2/278 cut-off events. [2022-10-17 10:17:13,422 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 10:17:13,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 278 events. 2/278 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 257 event pairs, 0 based on Foata normal form. 0/256 useless extension candidates. Maximal degree in co-relation 199. Up to 2 conditions per place. [2022-10-17 10:17:13,432 INFO L82 GeneralOperation]: Start removeDead. Operand has 281 places, 279 transitions, 563 flow [2022-10-17 10:17:13,445 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 280 places, 278 transitions, 559 flow [2022-10-17 10:17:13,468 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:17:13,477 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;@2d8239c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:17:13,477 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-10-17 10:17:13,487 INFO L130 PetriNetUnfolder]: 0/39 cut-off events. [2022-10-17 10:17:13,487 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 10:17:13,488 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:17:13,489 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:17:13,489 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-10-17 10:17:13,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:17:13,496 INFO L85 PathProgramCache]: Analyzing trace with hash 655555695, now seen corresponding path program 1 times [2022-10-17 10:17:13,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:17:13,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758138669] [2022-10-17 10:17:13,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:17:13,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:17:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:14,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:17:14,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:17:14,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758138669] [2022-10-17 10:17:14,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758138669] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:17:14,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:17:14,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:17:14,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677422464] [2022-10-17 10:17:14,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:17:14,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:17:14,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:17:14,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:17:14,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:17:14,462 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 279 [2022-10-17 10:17:14,468 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 278 transitions, 559 flow. Second operand has 6 states, 6 states have (on average 148.66666666666666) internal successors, (892), 6 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:14,469 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:17:14,469 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 279 [2022-10-17 10:17:14,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:17:16,680 INFO L130 PetriNetUnfolder]: 2452/7160 cut-off events. [2022-10-17 10:17:16,681 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 10:17:16,697 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12116 conditions, 7160 events. 2452/7160 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 52896 event pairs, 2408 based on Foata normal form. 48/6331 useless extension candidates. Maximal degree in co-relation 12002. Up to 4947 conditions per place. [2022-10-17 10:17:16,743 INFO L137 encePairwiseOnDemand]: 272/279 looper letters, 125 selfloop transitions, 5 changer transitions 0/276 dead transitions. [2022-10-17 10:17:16,743 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 276 transitions, 815 flow [2022-10-17 10:17:16,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:17:16,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:17:16,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1014 transitions. [2022-10-17 10:17:16,771 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6057347670250897 [2022-10-17 10:17:16,772 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1014 transitions. [2022-10-17 10:17:16,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1014 transitions. [2022-10-17 10:17:16,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:17:16,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1014 transitions. [2022-10-17 10:17:16,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 169.0) internal successors, (1014), 6 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) [2022-10-17 10:17:16,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:16,831 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:16,834 INFO L175 Difference]: Start difference. First operand has 280 places, 278 transitions, 559 flow. Second operand 6 states and 1014 transitions. [2022-10-17 10:17:16,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 276 transitions, 815 flow [2022-10-17 10:17:16,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 276 transitions, 814 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-10-17 10:17:16,887 INFO L231 Difference]: Finished difference. Result has 283 places, 276 transitions, 564 flow [2022-10-17 10:17:16,889 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=564, PETRI_PLACES=283, PETRI_TRANSITIONS=276} [2022-10-17 10:17:16,909 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, 3 predicate places. [2022-10-17 10:17:16,910 INFO L495 AbstractCegarLoop]: Abstraction has has 283 places, 276 transitions, 564 flow [2022-10-17 10:17:16,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 148.66666666666666) internal successors, (892), 6 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:16,912 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:17:16,912 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:17:16,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:17:16,914 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-10-17 10:17:16,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:17:16,915 INFO L85 PathProgramCache]: Analyzing trace with hash 472888241, now seen corresponding path program 1 times [2022-10-17 10:17:16,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:17:16,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671415239] [2022-10-17 10:17:16,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:17:16,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:17:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:17,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:17:17,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:17:17,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671415239] [2022-10-17 10:17:17,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671415239] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:17:17,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:17:17,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:17:17,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430750248] [2022-10-17 10:17:17,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:17:17,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:17:17,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:17:17,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:17:17,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:17:17,565 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 279 [2022-10-17 10:17:17,567 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 276 transitions, 564 flow. Second operand has 6 states, 6 states have (on average 152.33333333333334) internal successors, (914), 6 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:17,567 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:17:17,574 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 279 [2022-10-17 10:17:17,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:17:20,331 INFO L130 PetriNetUnfolder]: 3374/9761 cut-off events. [2022-10-17 10:17:20,331 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 10:17:20,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16623 conditions, 9761 events. 3374/9761 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 77343 event pairs, 1399 based on Foata normal form. 0/8563 useless extension candidates. Maximal degree in co-relation 16565. Up to 5264 conditions per place. [2022-10-17 10:17:20,400 INFO L137 encePairwiseOnDemand]: 247/279 looper letters, 230 selfloop transitions, 90 changer transitions 0/469 dead transitions. [2022-10-17 10:17:20,400 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 469 transitions, 1590 flow [2022-10-17 10:17:20,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:17:20,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:17:20,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1222 transitions. [2022-10-17 10:17:20,406 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7299880525686977 [2022-10-17 10:17:20,406 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1222 transitions. [2022-10-17 10:17:20,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1222 transitions. [2022-10-17 10:17:20,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:17:20,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1222 transitions. [2022-10-17 10:17:20,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.66666666666666) internal successors, (1222), 6 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:20,419 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:20,421 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:20,421 INFO L175 Difference]: Start difference. First operand has 283 places, 276 transitions, 564 flow. Second operand 6 states and 1222 transitions. [2022-10-17 10:17:20,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 469 transitions, 1590 flow [2022-10-17 10:17:20,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 469 transitions, 1580 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-10-17 10:17:20,446 INFO L231 Difference]: Finished difference. Result has 287 places, 359 transitions, 1130 flow [2022-10-17 10:17:20,447 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1130, PETRI_PLACES=287, PETRI_TRANSITIONS=359} [2022-10-17 10:17:20,448 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, 7 predicate places. [2022-10-17 10:17:20,448 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 359 transitions, 1130 flow [2022-10-17 10:17:20,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 152.33333333333334) internal successors, (914), 6 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:20,449 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:17:20,450 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:17:20,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:17:20,450 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-10-17 10:17:20,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:17:20,451 INFO L85 PathProgramCache]: Analyzing trace with hash -722360085, now seen corresponding path program 1 times [2022-10-17 10:17:20,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:17:20,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306334928] [2022-10-17 10:17:20,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:17:20,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:17:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:17:20,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:17:20,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306334928] [2022-10-17 10:17:20,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306334928] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:17:20,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:17:20,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:17:20,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227791053] [2022-10-17 10:17:20,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:17:20,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:17:20,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:17:20,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:17:20,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:17:20,915 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 279 [2022-10-17 10:17:20,917 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 359 transitions, 1130 flow. Second operand has 6 states, 6 states have (on average 148.16666666666666) internal successors, (889), 6 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:20,917 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:17:20,917 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 279 [2022-10-17 10:17:20,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:17:24,006 INFO L130 PetriNetUnfolder]: 3685/10622 cut-off events. [2022-10-17 10:17:24,006 INFO L131 PetriNetUnfolder]: For 2178/2180 co-relation queries the response was YES. [2022-10-17 10:17:24,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20958 conditions, 10622 events. 3685/10622 cut-off events. For 2178/2180 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 83771 event pairs, 2558 based on Foata normal form. 0/9362 useless extension candidates. Maximal degree in co-relation 20835. Up to 7137 conditions per place. [2022-10-17 10:17:24,069 INFO L137 encePairwiseOnDemand]: 238/279 looper letters, 264 selfloop transitions, 123 changer transitions 0/531 dead transitions. [2022-10-17 10:17:24,070 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 531 transitions, 2408 flow [2022-10-17 10:17:24,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:17:24,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:17:24,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1175 transitions. [2022-10-17 10:17:24,075 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7019115890083633 [2022-10-17 10:17:24,075 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1175 transitions. [2022-10-17 10:17:24,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1175 transitions. [2022-10-17 10:17:24,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:17:24,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1175 transitions. [2022-10-17 10:17:24,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 195.83333333333334) internal successors, (1175), 6 states have internal predecessors, (1175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:24,086 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:24,087 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:24,088 INFO L175 Difference]: Start difference. First operand has 287 places, 359 transitions, 1130 flow. Second operand 6 states and 1175 transitions. [2022-10-17 10:17:24,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 531 transitions, 2408 flow [2022-10-17 10:17:24,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 531 transitions, 2408 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-10-17 10:17:24,118 INFO L231 Difference]: Finished difference. Result has 296 places, 475 transitions, 2082 flow [2022-10-17 10:17:24,119 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=1128, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2082, PETRI_PLACES=296, PETRI_TRANSITIONS=475} [2022-10-17 10:17:24,122 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, 16 predicate places. [2022-10-17 10:17:24,122 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 475 transitions, 2082 flow [2022-10-17 10:17:24,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 148.16666666666666) internal successors, (889), 6 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:24,124 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:17:24,124 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:17:24,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:17:24,124 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-10-17 10:17:24,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:17:24,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1691353780, now seen corresponding path program 1 times [2022-10-17 10:17:24,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:17:24,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280648856] [2022-10-17 10:17:24,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:17:24,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:17:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:17:24,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:17:24,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280648856] [2022-10-17 10:17:24,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280648856] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:17:24,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:17:24,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:17:24,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343657616] [2022-10-17 10:17:24,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:17:24,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:17:24,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:17:24,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:17:24,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:17:24,636 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 279 [2022-10-17 10:17:24,638 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 475 transitions, 2082 flow. Second operand has 6 states, 6 states have (on average 149.16666666666666) internal successors, (895), 6 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:24,638 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:17:24,638 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 279 [2022-10-17 10:17:24,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:17:27,552 INFO L130 PetriNetUnfolder]: 3905/11249 cut-off events. [2022-10-17 10:17:27,552 INFO L131 PetriNetUnfolder]: For 4607/4611 co-relation queries the response was YES. [2022-10-17 10:17:27,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25159 conditions, 11249 events. 3905/11249 cut-off events. For 4607/4611 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 89298 event pairs, 2420 based on Foata normal form. 0/9984 useless extension candidates. Maximal degree in co-relation 25023. Up to 7549 conditions per place. [2022-10-17 10:17:27,633 INFO L137 encePairwiseOnDemand]: 238/279 looper letters, 379 selfloop transitions, 123 changer transitions 0/647 dead transitions. [2022-10-17 10:17:27,633 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 647 transitions, 3814 flow [2022-10-17 10:17:27,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:17:27,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:17:27,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1174 transitions. [2022-10-17 10:17:27,639 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7013142174432497 [2022-10-17 10:17:27,639 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1174 transitions. [2022-10-17 10:17:27,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1174 transitions. [2022-10-17 10:17:27,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:17:27,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1174 transitions. [2022-10-17 10:17:27,646 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 195.66666666666666) internal successors, (1174), 6 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:27,651 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:27,653 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:27,653 INFO L175 Difference]: Start difference. First operand has 296 places, 475 transitions, 2082 flow. Second operand 6 states and 1174 transitions. [2022-10-17 10:17:27,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 647 transitions, 3814 flow [2022-10-17 10:17:27,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 647 transitions, 3654 flow, removed 80 selfloop flow, removed 0 redundant places. [2022-10-17 10:17:27,697 INFO L231 Difference]: Finished difference. Result has 305 places, 591 transitions, 3098 flow [2022-10-17 10:17:27,698 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=1920, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=474, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3098, PETRI_PLACES=305, PETRI_TRANSITIONS=591} [2022-10-17 10:17:27,699 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, 25 predicate places. [2022-10-17 10:17:27,699 INFO L495 AbstractCegarLoop]: Abstraction has has 305 places, 591 transitions, 3098 flow [2022-10-17 10:17:27,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 149.16666666666666) internal successors, (895), 6 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:27,700 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:17:27,700 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:17:27,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:17:27,701 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-10-17 10:17:27,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:17:27,701 INFO L85 PathProgramCache]: Analyzing trace with hash 337100362, now seen corresponding path program 1 times [2022-10-17 10:17:27,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:17:27,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133377225] [2022-10-17 10:17:27,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:17:27,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:17:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:28,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:17:28,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:17:28,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133377225] [2022-10-17 10:17:28,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133377225] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:17:28,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:17:28,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:17:28,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666882501] [2022-10-17 10:17:28,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:17:28,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:17:28,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:17:28,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:17:28,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:17:28,291 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 279 [2022-10-17 10:17:28,293 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 591 transitions, 3098 flow. Second operand has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:28,293 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:17:28,293 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 279 [2022-10-17 10:17:28,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:17:31,700 INFO L130 PetriNetUnfolder]: 4348/12361 cut-off events. [2022-10-17 10:17:31,700 INFO L131 PetriNetUnfolder]: For 7934/7970 co-relation queries the response was YES. [2022-10-17 10:17:31,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30414 conditions, 12361 events. 4348/12361 cut-off events. For 7934/7970 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 98962 event pairs, 2401 based on Foata normal form. 0/11096 useless extension candidates. Maximal degree in co-relation 30269. Up to 8246 conditions per place. [2022-10-17 10:17:31,791 INFO L137 encePairwiseOnDemand]: 236/279 looper letters, 501 selfloop transitions, 180 changer transitions 0/833 dead transitions. [2022-10-17 10:17:31,791 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 833 transitions, 5244 flow [2022-10-17 10:17:31,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:17:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:17:31,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1251 transitions. [2022-10-17 10:17:31,796 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7473118279569892 [2022-10-17 10:17:31,796 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1251 transitions. [2022-10-17 10:17:31,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1251 transitions. [2022-10-17 10:17:31,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:17:31,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1251 transitions. [2022-10-17 10:17:31,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.5) internal successors, (1251), 6 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:31,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:31,806 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:31,807 INFO L175 Difference]: Start difference. First operand has 305 places, 591 transitions, 3098 flow. Second operand 6 states and 1251 transitions. [2022-10-17 10:17:31,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 310 places, 833 transitions, 5244 flow [2022-10-17 10:17:31,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 833 transitions, 4848 flow, removed 198 selfloop flow, removed 0 redundant places. [2022-10-17 10:17:31,858 INFO L231 Difference]: Finished difference. Result has 315 places, 758 transitions, 4098 flow [2022-10-17 10:17:31,860 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=2714, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=591, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4098, PETRI_PLACES=315, PETRI_TRANSITIONS=758} [2022-10-17 10:17:31,863 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, 35 predicate places. [2022-10-17 10:17:31,863 INFO L495 AbstractCegarLoop]: Abstraction has has 315 places, 758 transitions, 4098 flow [2022-10-17 10:17:31,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:31,864 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:17:31,864 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:17:31,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:17:31,865 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-10-17 10:17:31,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:17:31,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1164186063, now seen corresponding path program 1 times [2022-10-17 10:17:31,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:17:31,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310000117] [2022-10-17 10:17:31,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:17:31,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:17:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:17:32,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:17:32,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310000117] [2022-10-17 10:17:32,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310000117] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:17:32,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:17:32,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:17:32,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981430118] [2022-10-17 10:17:32,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:17:32,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:17:32,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:17:32,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:17:32,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:17:32,544 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 279 [2022-10-17 10:17:32,546 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 758 transitions, 4098 flow. Second operand has 6 states, 6 states have (on average 157.0) internal successors, (942), 6 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:32,546 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:17:32,546 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 279 [2022-10-17 10:17:32,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:17:36,168 INFO L130 PetriNetUnfolder]: 4714/13239 cut-off events. [2022-10-17 10:17:36,168 INFO L131 PetriNetUnfolder]: For 12248/12408 co-relation queries the response was YES. [2022-10-17 10:17:36,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37026 conditions, 13239 events. 4714/13239 cut-off events. For 12248/12408 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 107036 event pairs, 2342 based on Foata normal form. 0/12021 useless extension candidates. Maximal degree in co-relation 36876. Up to 8882 conditions per place. [2022-10-17 10:17:36,287 INFO L137 encePairwiseOnDemand]: 236/279 looper letters, 667 selfloop transitions, 180 changer transitions 0/1000 dead transitions. [2022-10-17 10:17:36,288 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 1000 transitions, 6870 flow [2022-10-17 10:17:36,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:17:36,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:17:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1251 transitions. [2022-10-17 10:17:36,294 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7473118279569892 [2022-10-17 10:17:36,294 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1251 transitions. [2022-10-17 10:17:36,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1251 transitions. [2022-10-17 10:17:36,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:17:36,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1251 transitions. [2022-10-17 10:17:36,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 208.5) internal successors, (1251), 6 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:36,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:36,307 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 279.0) internal successors, (1953), 7 states have internal predecessors, (1953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:36,307 INFO L175 Difference]: Start difference. First operand has 315 places, 758 transitions, 4098 flow. Second operand 6 states and 1251 transitions. [2022-10-17 10:17:36,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 1000 transitions, 6870 flow [2022-10-17 10:17:36,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 1000 transitions, 6816 flow, removed 27 selfloop flow, removed 0 redundant places. [2022-10-17 10:17:36,394 INFO L231 Difference]: Finished difference. Result has 325 places, 925 transitions, 5734 flow [2022-10-17 10:17:36,395 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=4044, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=758, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=686, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5734, PETRI_PLACES=325, PETRI_TRANSITIONS=925} [2022-10-17 10:17:36,398 INFO L287 CegarLoopForPetriNet]: 280 programPoint places, 45 predicate places. [2022-10-17 10:17:36,398 INFO L495 AbstractCegarLoop]: Abstraction has has 325 places, 925 transitions, 5734 flow [2022-10-17 10:17:36,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 157.0) internal successors, (942), 6 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:36,399 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:17:36,399 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:17:36,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 10:17:36,399 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 25 more)] === [2022-10-17 10:17:36,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:17:36,400 INFO L85 PathProgramCache]: Analyzing trace with hash 179057877, now seen corresponding path program 1 times [2022-10-17 10:17:36,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:17:36,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362958639] [2022-10-17 10:17:36,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:17:36,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:17:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:17:37,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:17:37,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:17:37,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362958639] [2022-10-17 10:17:37,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362958639] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:17:37,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:17:37,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-17 10:17:37,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751704378] [2022-10-17 10:17:37,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:17:37,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-17 10:17:37,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:17:37,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-17 10:17:37,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-10-17 10:17:37,511 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 279 [2022-10-17 10:17:37,513 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 925 transitions, 5734 flow. Second operand has 15 states, 15 states have (on average 118.73333333333333) internal successors, (1781), 15 states have internal predecessors, (1781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:17:37,513 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:17:37,513 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 279 [2022-10-17 10:17:37,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand