./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2ad190c36ab064f1e4bfbebf06775e6b037058a5a86becabf7b70897d3619304 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:50:05,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:50:05,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:50:05,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:50:05,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:50:05,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:50:05,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:50:05,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:50:05,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:50:05,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:50:05,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:50:05,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:50:05,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:50:05,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:50:05,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:50:05,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:50:05,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:50:05,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:50:05,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:50:05,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:50:05,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:50:05,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:50:05,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:50:05,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:50:05,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:50:05,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:50:05,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:50:05,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:50:05,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:50:05,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:50:05,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:50:05,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:50:05,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:50:05,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:50:05,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:50:05,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:50:05,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:50:05,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:50:05,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:50:05,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:50:05,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:50:05,519 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 14:50:05,545 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:50:05,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:50:05,546 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:50:05,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:50:05,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:50:05,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:50:05,548 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:50:05,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:50:05,549 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 14:50:05,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:50:05,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 14:50:05,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:50:05,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 14:50:05,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 14:50:05,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 14:50:05,550 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 14:50:05,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:50:05,551 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:50:05,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 14:50:05,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:50:05,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:50:05,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 14:50:05,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:50:05,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:50:05,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 14:50:05,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 14:50:05,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:50:05,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 14:50:05,553 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 14:50:05,553 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 14:50:05,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 14:50:05,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:50:05,554 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_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ad190c36ab064f1e4bfbebf06775e6b037058a5a86becabf7b70897d3619304 [2021-11-22 14:50:05,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:50:05,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:50:05,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:50:05,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:50:05,831 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:50:05,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i [2021-11-22 14:50:05,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0/data/ba9e028df/dcff884bbffc4bf98c3bc542a1446399/FLAG98126a7ae [2021-11-22 14:50:06,453 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:50:06,453 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i [2021-11-22 14:50:06,480 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0/data/ba9e028df/dcff884bbffc4bf98c3bc542a1446399/FLAG98126a7ae [2021-11-22 14:50:06,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0/data/ba9e028df/dcff884bbffc4bf98c3bc542a1446399 [2021-11-22 14:50:06,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:50:06,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:50:06,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:50:06,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:50:06,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:50:06,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:50:06" (1/1) ... [2021-11-22 14:50:06,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c4c054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:06, skipping insertion in model container [2021-11-22 14:50:06,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:50:06" (1/1) ... [2021-11-22 14:50:06,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:50:06,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:50:07,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i[992,1005] [2021-11-22 14:50:07,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:50:07,408 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:50:07,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i[992,1005] [2021-11-22 14:50:07,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:50:07,578 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:50:07,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:07 WrapperNode [2021-11-22 14:50:07,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:50:07,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:50:07,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:50:07,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:50:07,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:07" (1/1) ... [2021-11-22 14:50:07,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:07" (1/1) ... [2021-11-22 14:50:07,675 INFO L137 Inliner]: procedures = 177, calls = 86, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 167 [2021-11-22 14:50:07,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:50:07,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:50:07,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:50:07,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:50:07,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:07" (1/1) ... [2021-11-22 14:50:07,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:07" (1/1) ... [2021-11-22 14:50:07,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:07" (1/1) ... [2021-11-22 14:50:07,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:07" (1/1) ... [2021-11-22 14:50:07,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:07" (1/1) ... [2021-11-22 14:50:07,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:07" (1/1) ... [2021-11-22 14:50:07,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:07" (1/1) ... [2021-11-22 14:50:07,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:50:07,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:50:07,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:50:07,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:50:07,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:07" (1/1) ... [2021-11-22 14:50:07,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 14:50:07,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:50:07,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 14:50:07,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5237677f-fd4c-4304-9e83-3baef1964c39/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 14:50:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 14:50:07,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 14:50:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 14:50:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 14:50:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 14:50:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 14:50:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-22 14:50:07,857 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-22 14:50:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-22 14:50:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-22 14:50:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-22 14:50:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-22 14:50:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-22 14:50:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-22 14:50:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 14:50:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 14:50:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:50:07,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:50:07,862 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 14:50:08,072 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:50:08,075 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:50:08,864 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:50:09,355 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:50:09,356 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 14:50:09,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:50:09 BoogieIcfgContainer [2021-11-22 14:50:09,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:50:09,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 14:50:09,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 14:50:09,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 14:50:09,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:50:06" (1/3) ... [2021-11-22 14:50:09,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdcb3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:50:09, skipping insertion in model container [2021-11-22 14:50:09,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:50:07" (2/3) ... [2021-11-22 14:50:09,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fdcb3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:50:09, skipping insertion in model container [2021-11-22 14:50:09,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:50:09" (3/3) ... [2021-11-22 14:50:09,372 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_rmo.opt.i [2021-11-22 14:50:09,377 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-22 14:50:09,378 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 14:50:09,378 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 14:50:09,378 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-22 14:50:09,447 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,447 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,447 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,447 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,448 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,448 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,448 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,448 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,449 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,450 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,450 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,450 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,450 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,450 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,450 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,451 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,451 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,452 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,452 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,452 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,453 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,453 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,453 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,453 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,454 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,454 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,454 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,454 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,454 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,455 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,455 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,455 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,455 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,455 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,455 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,456 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,456 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,456 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,456 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,456 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,456 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,457 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,457 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,457 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,457 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,458 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,458 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,458 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,458 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,458 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,458 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,459 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,461 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,461 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,461 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,461 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,461 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,462 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,462 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,462 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,462 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,462 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,462 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,494 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,495 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,495 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,495 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,495 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,495 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,495 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,495 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,496 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,496 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,496 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,496 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,496 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,496 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,497 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,497 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,497 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,497 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,497 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,497 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,498 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,498 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,498 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,498 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,498 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,498 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,499 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,499 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,499 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,499 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,499 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,499 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,499 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,504 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,504 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,504 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,504 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,505 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,505 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,505 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,505 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,505 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,505 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,506 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,506 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,506 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,506 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,506 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,507 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,507 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,507 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,508 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,508 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,508 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,509 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,509 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,509 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,509 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,509 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,509 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,510 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,510 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,510 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,511 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,511 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,511 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,511 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,512 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,512 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,512 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,512 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,512 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,512 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,513 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,513 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,513 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,513 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,513 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,513 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,514 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,514 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,514 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,514 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,514 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,515 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,515 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,515 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,515 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,516 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,517 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,517 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,517 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,518 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,518 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,518 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,518 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,518 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,518 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,519 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,519 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,519 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,519 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,519 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,519 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,520 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,520 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,520 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,520 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,520 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,520 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,521 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,521 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,521 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,521 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,521 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,521 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,521 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,522 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,522 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,523 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,524 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,524 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,524 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,524 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,524 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,524 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,525 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,525 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,525 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,525 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,525 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,525 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,526 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,526 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,527 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,527 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,527 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,527 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,527 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,527 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,528 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,528 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,528 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,529 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,532 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,533 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,533 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,533 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,534 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,539 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,540 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,541 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,541 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,543 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,543 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,543 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,543 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,543 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,543 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,543 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,544 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,544 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,552 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,553 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,553 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,553 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,554 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,555 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,555 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,555 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,555 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,555 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,556 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,556 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,556 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,556 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,556 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~mem71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,556 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,557 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,557 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,557 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,557 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~mem71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,557 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,557 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,557 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,558 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~mem71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,558 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,558 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,558 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,558 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,558 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~mem71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,559 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,559 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,559 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,559 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,560 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,560 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,560 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,566 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,567 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,567 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,567 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,567 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,567 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,568 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,568 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,568 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,568 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,568 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,569 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,570 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,570 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,570 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,570 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,570 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,570 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,571 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,571 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,571 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,571 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,571 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,571 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,572 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,572 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,572 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,572 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,572 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,572 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,572 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,573 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,573 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,573 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,573 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,574 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,574 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,574 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,574 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,574 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,575 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,575 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,575 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,575 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,575 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,575 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,575 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,576 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,576 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,577 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,577 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,578 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,580 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,581 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,581 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,581 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,581 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,582 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,582 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,582 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,582 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,583 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,584 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,584 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,584 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,584 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,584 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,584 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~mem28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,585 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,585 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,585 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,585 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,585 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,585 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,585 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,586 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,586 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,586 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,587 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite75| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,587 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,587 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite77| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,587 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite76| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,587 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,587 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,587 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~mem71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,588 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,588 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 14:50:09,588 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-22 14:50:09,637 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 14:50:09,645 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 14:50:09,645 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-22 14:50:09,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 162 places, 151 transitions, 322 flow [2021-11-22 14:50:09,718 INFO L129 PetriNetUnfolder]: 2/147 cut-off events. [2021-11-22 14:50:09,718 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-22 14:50:09,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 147 events. 2/147 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 87. Up to 2 conditions per place. [2021-11-22 14:50:09,723 INFO L82 GeneralOperation]: Start removeDead. Operand has 162 places, 151 transitions, 322 flow [2021-11-22 14:50:09,728 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 143 places, 131 transitions, 274 flow [2021-11-22 14:50:09,758 INFO L129 PetriNetUnfolder]: 1/130 cut-off events. [2021-11-22 14:50:09,758 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-22 14:50:09,758 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:50:09,759 INFO L254 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] [2021-11-22 14:50:09,759 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-22 14:50:09,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:09,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1022250834, now seen corresponding path program 1 times [2021-11-22 14:50:09,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:09,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935924842] [2021-11-22 14:50:09,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:09,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:10,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:10,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:50:10,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935924842] [2021-11-22 14:50:10,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935924842] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:10,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:10,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 14:50:10,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627072999] [2021-11-22 14:50:10,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:10,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 14:50:10,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:50:10,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 14:50:10,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 14:50:10,392 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 151 [2021-11-22 14:50:10,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 131 transitions, 274 flow. Second operand has 6 states, 6 states have (on average 131.0) internal successors, (786), 6 states have internal predecessors, (786), 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) [2021-11-22 14:50:10,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:50:10,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 151 [2021-11-22 14:50:10,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 14:50:11,340 INFO L129 PetriNetUnfolder]: 747/1559 cut-off events. [2021-11-22 14:50:11,340 INFO L130 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2021-11-22 14:50:11,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2733 conditions, 1559 events. 747/1559 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 9335 event pairs, 403 based on Foata normal form. 42/1544 useless extension candidates. Maximal degree in co-relation 2656. Up to 585 conditions per place. [2021-11-22 14:50:11,365 INFO L132 encePairwiseOnDemand]: 144/151 looper letters, 24 selfloop transitions, 2 changer transitions 37/175 dead transitions. [2021-11-22 14:50:11,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 175 transitions, 497 flow [2021-11-22 14:50:11,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 14:50:11,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-22 14:50:11,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1228 transitions. [2021-11-22 14:50:11,397 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9036055923473142 [2021-11-22 14:50:11,397 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1228 transitions. [2021-11-22 14:50:11,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1228 transitions. [2021-11-22 14:50:11,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:50:11,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1228 transitions. [2021-11-22 14:50:11,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 136.44444444444446) internal successors, (1228), 9 states have internal predecessors, (1228), 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) [2021-11-22 14:50:11,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 151.0) internal successors, (1510), 10 states have internal predecessors, (1510), 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) [2021-11-22 14:50:11,428 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 151.0) internal successors, (1510), 10 states have internal predecessors, (1510), 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) [2021-11-22 14:50:11,430 INFO L186 Difference]: Start difference. First operand has 143 places, 131 transitions, 274 flow. Second operand 9 states and 1228 transitions. [2021-11-22 14:50:11,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 175 transitions, 497 flow [2021-11-22 14:50:11,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 175 transitions, 490 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-22 14:50:11,443 INFO L242 Difference]: Finished difference. Result has 154 places, 130 transitions, 288 flow [2021-11-22 14:50:11,445 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=288, PETRI_PLACES=154, PETRI_TRANSITIONS=130} [2021-11-22 14:50:11,450 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 11 predicate places. [2021-11-22 14:50:11,450 INFO L470 AbstractCegarLoop]: Abstraction has has 154 places, 130 transitions, 288 flow [2021-11-22 14:50:11,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 131.0) internal successors, (786), 6 states have internal predecessors, (786), 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) [2021-11-22 14:50:11,451 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:50:11,451 INFO L254 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, 1, 1] [2021-11-22 14:50:11,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 14:50:11,452 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-22 14:50:11,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:11,453 INFO L85 PathProgramCache]: Analyzing trace with hash 963542035, now seen corresponding path program 1 times [2021-11-22 14:50:11,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:11,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77431334] [2021-11-22 14:50:11,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:11,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:11,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:11,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:50:11,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77431334] [2021-11-22 14:50:11,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77431334] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:11,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:11,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 14:50:11,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477364516] [2021-11-22 14:50:11,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:11,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 14:50:11,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:50:11,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 14:50:11,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 14:50:11,761 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 151 [2021-11-22 14:50:11,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 130 transitions, 288 flow. Second operand has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 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) [2021-11-22 14:50:11,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:50:11,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 151 [2021-11-22 14:50:11,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 14:50:13,179 INFO L129 PetriNetUnfolder]: 1436/2853 cut-off events. [2021-11-22 14:50:13,179 INFO L130 PetriNetUnfolder]: For 563/563 co-relation queries the response was YES. [2021-11-22 14:50:13,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5682 conditions, 2853 events. 1436/2853 cut-off events. For 563/563 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 18898 event pairs, 358 based on Foata normal form. 48/2765 useless extension candidates. Maximal degree in co-relation 5599. Up to 949 conditions per place. [2021-11-22 14:50:13,208 INFO L132 encePairwiseOnDemand]: 142/151 looper letters, 30 selfloop transitions, 5 changer transitions 47/191 dead transitions. [2021-11-22 14:50:13,208 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 191 transitions, 601 flow [2021-11-22 14:50:13,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 14:50:13,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-22 14:50:13,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1344 transitions. [2021-11-22 14:50:13,217 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8900662251655629 [2021-11-22 14:50:13,217 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1344 transitions. [2021-11-22 14:50:13,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1344 transitions. [2021-11-22 14:50:13,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:50:13,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1344 transitions. [2021-11-22 14:50:13,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.4) internal successors, (1344), 10 states have internal predecessors, (1344), 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) [2021-11-22 14:50:13,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 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) [2021-11-22 14:50:13,229 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 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) [2021-11-22 14:50:13,229 INFO L186 Difference]: Start difference. First operand has 154 places, 130 transitions, 288 flow. Second operand 10 states and 1344 transitions. [2021-11-22 14:50:13,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 191 transitions, 601 flow [2021-11-22 14:50:13,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 191 transitions, 567 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-11-22 14:50:13,268 INFO L242 Difference]: Finished difference. Result has 157 places, 132 transitions, 326 flow [2021-11-22 14:50:13,269 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=326, PETRI_PLACES=157, PETRI_TRANSITIONS=132} [2021-11-22 14:50:13,270 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 14 predicate places. [2021-11-22 14:50:13,270 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 132 transitions, 326 flow [2021-11-22 14:50:13,271 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 128.0) internal successors, (896), 7 states have internal predecessors, (896), 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) [2021-11-22 14:50:13,271 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:50:13,271 INFO L254 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, 1, 1, 1, 1] [2021-11-22 14:50:13,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 14:50:13,272 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-22 14:50:13,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:13,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1289152926, now seen corresponding path program 1 times [2021-11-22 14:50:13,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:13,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830606929] [2021-11-22 14:50:13,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:13,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:13,474 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:50:13,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830606929] [2021-11-22 14:50:13,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830606929] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:13,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:13,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 14:50:13,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842355009] [2021-11-22 14:50:13,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:13,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 14:50:13,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:50:13,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 14:50:13,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-22 14:50:13,477 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 151 [2021-11-22 14:50:13,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 132 transitions, 326 flow. Second operand has 7 states, 7 states have (on average 130.85714285714286) internal successors, (916), 7 states have internal predecessors, (916), 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) [2021-11-22 14:50:13,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:50:13,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 151 [2021-11-22 14:50:13,480 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 14:50:14,259 INFO L129 PetriNetUnfolder]: 679/1478 cut-off events. [2021-11-22 14:50:14,260 INFO L130 PetriNetUnfolder]: For 1186/1209 co-relation queries the response was YES. [2021-11-22 14:50:14,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3339 conditions, 1478 events. 679/1478 cut-off events. For 1186/1209 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 8865 event pairs, 251 based on Foata normal form. 32/1445 useless extension candidates. Maximal degree in co-relation 3252. Up to 557 conditions per place. [2021-11-22 14:50:14,282 INFO L132 encePairwiseOnDemand]: 144/151 looper letters, 20 selfloop transitions, 3 changer transitions 31/168 dead transitions. [2021-11-22 14:50:14,282 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 168 transitions, 530 flow [2021-11-22 14:50:14,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 14:50:14,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-22 14:50:14,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1346 transitions. [2021-11-22 14:50:14,288 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8913907284768212 [2021-11-22 14:50:14,288 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1346 transitions. [2021-11-22 14:50:14,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1346 transitions. [2021-11-22 14:50:14,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:50:14,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1346 transitions. [2021-11-22 14:50:14,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.6) internal successors, (1346), 10 states have internal predecessors, (1346), 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) [2021-11-22 14:50:14,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 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) [2021-11-22 14:50:14,300 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 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) [2021-11-22 14:50:14,300 INFO L186 Difference]: Start difference. First operand has 157 places, 132 transitions, 326 flow. Second operand 10 states and 1346 transitions. [2021-11-22 14:50:14,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 168 transitions, 530 flow [2021-11-22 14:50:14,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 168 transitions, 505 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-11-22 14:50:14,312 INFO L242 Difference]: Finished difference. Result has 162 places, 132 transitions, 333 flow [2021-11-22 14:50:14,312 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=333, PETRI_PLACES=162, PETRI_TRANSITIONS=132} [2021-11-22 14:50:14,313 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 19 predicate places. [2021-11-22 14:50:14,313 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 132 transitions, 333 flow [2021-11-22 14:50:14,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 130.85714285714286) internal successors, (916), 7 states have internal predecessors, (916), 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) [2021-11-22 14:50:14,314 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:50:14,315 INFO L254 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, 1, 1, 1, 1, 1] [2021-11-22 14:50:14,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 14:50:14,315 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-22 14:50:14,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:14,316 INFO L85 PathProgramCache]: Analyzing trace with hash 65415168, now seen corresponding path program 1 times [2021-11-22 14:50:14,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:14,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879862342] [2021-11-22 14:50:14,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:14,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:14,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:14,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:50:14,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879862342] [2021-11-22 14:50:14,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879862342] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:14,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:14,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 14:50:14,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358277885] [2021-11-22 14:50:14,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:14,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 14:50:14,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:50:14,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 14:50:14,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 14:50:14,585 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 151 [2021-11-22 14:50:14,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 132 transitions, 333 flow. Second operand has 6 states, 6 states have (on average 129.5) internal successors, (777), 6 states have internal predecessors, (777), 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) [2021-11-22 14:50:14,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:50:14,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 151 [2021-11-22 14:50:14,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 14:50:15,481 INFO L129 PetriNetUnfolder]: 1084/2343 cut-off events. [2021-11-22 14:50:15,481 INFO L130 PetriNetUnfolder]: For 2278/2286 co-relation queries the response was YES. [2021-11-22 14:50:15,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5415 conditions, 2343 events. 1084/2343 cut-off events. For 2278/2286 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 16091 event pairs, 334 based on Foata normal form. 40/2311 useless extension candidates. Maximal degree in co-relation 5325. Up to 656 conditions per place. [2021-11-22 14:50:15,508 INFO L132 encePairwiseOnDemand]: 145/151 looper letters, 30 selfloop transitions, 3 changer transitions 34/177 dead transitions. [2021-11-22 14:50:15,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 177 transitions, 633 flow [2021-11-22 14:50:15,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 14:50:15,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-22 14:50:15,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1211 transitions. [2021-11-22 14:50:15,513 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8910963944076526 [2021-11-22 14:50:15,514 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1211 transitions. [2021-11-22 14:50:15,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1211 transitions. [2021-11-22 14:50:15,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:50:15,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1211 transitions. [2021-11-22 14:50:15,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 134.55555555555554) internal successors, (1211), 9 states have internal predecessors, (1211), 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) [2021-11-22 14:50:15,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 151.0) internal successors, (1510), 10 states have internal predecessors, (1510), 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) [2021-11-22 14:50:15,522 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 151.0) internal successors, (1510), 10 states have internal predecessors, (1510), 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) [2021-11-22 14:50:15,522 INFO L186 Difference]: Start difference. First operand has 162 places, 132 transitions, 333 flow. Second operand 9 states and 1211 transitions. [2021-11-22 14:50:15,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 177 transitions, 633 flow [2021-11-22 14:50:15,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 177 transitions, 579 flow, removed 24 selfloop flow, removed 9 redundant places. [2021-11-22 14:50:15,542 INFO L242 Difference]: Finished difference. Result has 162 places, 132 transitions, 336 flow [2021-11-22 14:50:15,542 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=336, PETRI_PLACES=162, PETRI_TRANSITIONS=132} [2021-11-22 14:50:15,544 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 19 predicate places. [2021-11-22 14:50:15,544 INFO L470 AbstractCegarLoop]: Abstraction has has 162 places, 132 transitions, 336 flow [2021-11-22 14:50:15,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 129.5) internal successors, (777), 6 states have internal predecessors, (777), 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) [2021-11-22 14:50:15,544 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:50:15,545 INFO L254 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, 1, 1, 1, 1, 1, 1] [2021-11-22 14:50:15,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 14:50:15,545 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-22 14:50:15,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:15,546 INFO L85 PathProgramCache]: Analyzing trace with hash -2113012525, now seen corresponding path program 1 times [2021-11-22 14:50:15,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:15,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007282260] [2021-11-22 14:50:15,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:15,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:15,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:50:15,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007282260] [2021-11-22 14:50:15,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007282260] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:15,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:15,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 14:50:15,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256253081] [2021-11-22 14:50:15,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:15,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 14:50:15,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:50:15,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 14:50:15,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 14:50:15,741 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 151 [2021-11-22 14:50:15,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 132 transitions, 336 flow. Second operand has 6 states, 6 states have (on average 127.33333333333333) internal successors, (764), 6 states have internal predecessors, (764), 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) [2021-11-22 14:50:15,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:50:15,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 151 [2021-11-22 14:50:15,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 14:50:18,201 INFO L129 PetriNetUnfolder]: 5684/9798 cut-off events. [2021-11-22 14:50:18,201 INFO L130 PetriNetUnfolder]: For 2707/2751 co-relation queries the response was YES. [2021-11-22 14:50:18,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19994 conditions, 9798 events. 5684/9798 cut-off events. For 2707/2751 co-relation queries the response was YES. Maximal size of possible extension queue 607. Compared 73005 event pairs, 312 based on Foata normal form. 0/9499 useless extension candidates. Maximal degree in co-relation 19905. Up to 3567 conditions per place. [2021-11-22 14:50:18,292 INFO L132 encePairwiseOnDemand]: 140/151 looper letters, 35 selfloop transitions, 7 changer transitions 55/206 dead transitions. [2021-11-22 14:50:18,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 206 transitions, 689 flow [2021-11-22 14:50:18,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 14:50:18,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-22 14:50:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1349 transitions. [2021-11-22 14:50:18,297 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8933774834437086 [2021-11-22 14:50:18,297 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1349 transitions. [2021-11-22 14:50:18,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1349 transitions. [2021-11-22 14:50:18,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:50:18,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1349 transitions. [2021-11-22 14:50:18,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.9) internal successors, (1349), 10 states have internal predecessors, (1349), 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) [2021-11-22 14:50:18,306 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 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) [2021-11-22 14:50:18,307 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 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) [2021-11-22 14:50:18,308 INFO L186 Difference]: Start difference. First operand has 162 places, 132 transitions, 336 flow. Second operand 10 states and 1349 transitions. [2021-11-22 14:50:18,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 206 transitions, 689 flow [2021-11-22 14:50:18,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 206 transitions, 668 flow, removed 9 selfloop flow, removed 7 redundant places. [2021-11-22 14:50:18,341 INFO L242 Difference]: Finished difference. Result has 164 places, 135 transitions, 381 flow [2021-11-22 14:50:18,342 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=381, PETRI_PLACES=164, PETRI_TRANSITIONS=135} [2021-11-22 14:50:18,342 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 21 predicate places. [2021-11-22 14:50:18,343 INFO L470 AbstractCegarLoop]: Abstraction has has 164 places, 135 transitions, 381 flow [2021-11-22 14:50:18,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 127.33333333333333) internal successors, (764), 6 states have internal predecessors, (764), 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) [2021-11-22 14:50:18,343 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:50:18,344 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:50:18,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 14:50:18,344 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-22 14:50:18,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:18,345 INFO L85 PathProgramCache]: Analyzing trace with hash 470728592, now seen corresponding path program 1 times [2021-11-22 14:50:18,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:18,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071384889] [2021-11-22 14:50:18,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:18,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:18,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:50:18,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071384889] [2021-11-22 14:50:18,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071384889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:18,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:18,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-22 14:50:18,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100884784] [2021-11-22 14:50:18,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:18,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-22 14:50:18,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:50:18,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-22 14:50:18,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-11-22 14:50:18,821 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 151 [2021-11-22 14:50:18,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 135 transitions, 381 flow. Second operand has 14 states, 14 states have (on average 115.14285714285714) internal successors, (1612), 14 states have internal predecessors, (1612), 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) [2021-11-22 14:50:18,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:50:18,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 151 [2021-11-22 14:50:18,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 14:50:21,224 INFO L129 PetriNetUnfolder]: 3720/9353 cut-off events. [2021-11-22 14:50:21,224 INFO L130 PetriNetUnfolder]: For 8330/9153 co-relation queries the response was YES. [2021-11-22 14:50:21,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23440 conditions, 9353 events. 3720/9353 cut-off events. For 8330/9153 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 93841 event pairs, 1749 based on Foata normal form. 87/8836 useless extension candidates. Maximal degree in co-relation 23336. Up to 2261 conditions per place. [2021-11-22 14:50:21,345 INFO L132 encePairwiseOnDemand]: 135/151 looper letters, 54 selfloop transitions, 29 changer transitions 0/184 dead transitions. [2021-11-22 14:50:21,346 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 184 transitions, 678 flow [2021-11-22 14:50:21,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-22 14:50:21,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-11-22 14:50:21,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1893 transitions. [2021-11-22 14:50:21,353 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7835264900662252 [2021-11-22 14:50:21,353 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1893 transitions. [2021-11-22 14:50:21,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1893 transitions. [2021-11-22 14:50:21,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:50:21,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1893 transitions. [2021-11-22 14:50:21,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 118.3125) internal successors, (1893), 16 states have internal predecessors, (1893), 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) [2021-11-22 14:50:21,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 151.0) internal successors, (2567), 17 states have internal predecessors, (2567), 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) [2021-11-22 14:50:21,369 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 151.0) internal successors, (2567), 17 states have internal predecessors, (2567), 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) [2021-11-22 14:50:21,369 INFO L186 Difference]: Start difference. First operand has 164 places, 135 transitions, 381 flow. Second operand 16 states and 1893 transitions. [2021-11-22 14:50:21,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 184 transitions, 678 flow [2021-11-22 14:50:21,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 184 transitions, 663 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-11-22 14:50:21,419 INFO L242 Difference]: Finished difference. Result has 176 places, 166 transitions, 583 flow [2021-11-22 14:50:21,420 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=583, PETRI_PLACES=176, PETRI_TRANSITIONS=166} [2021-11-22 14:50:21,421 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 33 predicate places. [2021-11-22 14:50:21,421 INFO L470 AbstractCegarLoop]: Abstraction has has 176 places, 166 transitions, 583 flow [2021-11-22 14:50:21,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 115.14285714285714) internal successors, (1612), 14 states have internal predecessors, (1612), 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) [2021-11-22 14:50:21,422 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:50:21,422 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:50:21,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 14:50:21,423 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-22 14:50:21,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:21,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1334349552, now seen corresponding path program 2 times [2021-11-22 14:50:21,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:21,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247303696] [2021-11-22 14:50:21,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:21,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:22,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:22,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:50:22,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247303696] [2021-11-22 14:50:22,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247303696] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:22,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:22,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-22 14:50:22,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386774875] [2021-11-22 14:50:22,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:22,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-22 14:50:22,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:50:22,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-22 14:50:22,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-11-22 14:50:22,029 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 151 [2021-11-22 14:50:22,031 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 166 transitions, 583 flow. Second operand has 13 states, 13 states have (on average 116.23076923076923) internal successors, (1511), 13 states have internal predecessors, (1511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:50:22,031 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:50:22,031 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 151 [2021-11-22 14:50:22,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 14:50:24,780 INFO L129 PetriNetUnfolder]: 4721/11478 cut-off events. [2021-11-22 14:50:24,781 INFO L130 PetriNetUnfolder]: For 18492/19471 co-relation queries the response was YES. [2021-11-22 14:50:24,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33723 conditions, 11478 events. 4721/11478 cut-off events. For 18492/19471 co-relation queries the response was YES. Maximal size of possible extension queue 687. Compared 118497 event pairs, 2001 based on Foata normal form. 95/10762 useless extension candidates. Maximal degree in co-relation 33610. Up to 4098 conditions per place. [2021-11-22 14:50:24,915 INFO L132 encePairwiseOnDemand]: 135/151 looper letters, 95 selfloop transitions, 47 changer transitions 0/244 dead transitions. [2021-11-22 14:50:24,916 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 244 transitions, 1259 flow [2021-11-22 14:50:24,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-22 14:50:24,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-11-22 14:50:24,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1800 transitions. [2021-11-22 14:50:24,923 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7947019867549668 [2021-11-22 14:50:24,923 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1800 transitions. [2021-11-22 14:50:24,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1800 transitions. [2021-11-22 14:50:24,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:50:24,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1800 transitions. [2021-11-22 14:50:24,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 120.0) internal successors, (1800), 15 states have internal predecessors, (1800), 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) [2021-11-22 14:50:24,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 151.0) internal successors, (2416), 16 states have internal predecessors, (2416), 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) [2021-11-22 14:50:24,937 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 151.0) internal successors, (2416), 16 states have internal predecessors, (2416), 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) [2021-11-22 14:50:24,937 INFO L186 Difference]: Start difference. First operand has 176 places, 166 transitions, 583 flow. Second operand 15 states and 1800 transitions. [2021-11-22 14:50:24,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 244 transitions, 1259 flow [2021-11-22 14:50:25,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 244 transitions, 1244 flow, removed 2 selfloop flow, removed 6 redundant places. [2021-11-22 14:50:25,096 INFO L242 Difference]: Finished difference. Result has 192 places, 209 transitions, 1019 flow [2021-11-22 14:50:25,096 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1019, PETRI_PLACES=192, PETRI_TRANSITIONS=209} [2021-11-22 14:50:25,097 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 49 predicate places. [2021-11-22 14:50:25,097 INFO L470 AbstractCegarLoop]: Abstraction has has 192 places, 209 transitions, 1019 flow [2021-11-22 14:50:25,098 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 116.23076923076923) internal successors, (1511), 13 states have internal predecessors, (1511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 14:50:25,098 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:50:25,099 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:50:25,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 14:50:25,099 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-22 14:50:25,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:25,100 INFO L85 PathProgramCache]: Analyzing trace with hash 103916384, now seen corresponding path program 3 times [2021-11-22 14:50:25,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:25,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074079263] [2021-11-22 14:50:25,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:25,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:26,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:50:26,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074079263] [2021-11-22 14:50:26,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074079263] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:26,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:26,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-11-22 14:50:26,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120279817] [2021-11-22 14:50:26,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:26,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-22 14:50:26,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:50:26,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-22 14:50:26,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2021-11-22 14:50:26,183 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 151 [2021-11-22 14:50:26,186 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 209 transitions, 1019 flow. Second operand has 20 states, 20 states have (on average 98.9) internal successors, (1978), 20 states have internal predecessors, (1978), 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) [2021-11-22 14:50:26,186 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:50:26,186 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 151 [2021-11-22 14:50:26,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 14:50:29,980 INFO L129 PetriNetUnfolder]: 5202/12710 cut-off events. [2021-11-22 14:50:29,980 INFO L130 PetriNetUnfolder]: For 40189/41273 co-relation queries the response was YES. [2021-11-22 14:50:30,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45670 conditions, 12710 events. 5202/12710 cut-off events. For 40189/41273 co-relation queries the response was YES. Maximal size of possible extension queue 773. Compared 132288 event pairs, 2297 based on Foata normal form. 45/11895 useless extension candidates. Maximal degree in co-relation 45543. Up to 5520 conditions per place. [2021-11-22 14:50:30,149 INFO L132 encePairwiseOnDemand]: 129/151 looper letters, 123 selfloop transitions, 48 changer transitions 52/316 dead transitions. [2021-11-22 14:50:30,149 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 316 transitions, 2267 flow [2021-11-22 14:50:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-22 14:50:30,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-11-22 14:50:30,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 2956 transitions. [2021-11-22 14:50:30,160 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6750399634619776 [2021-11-22 14:50:30,160 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 2956 transitions. [2021-11-22 14:50:30,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 2956 transitions. [2021-11-22 14:50:30,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:50:30,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 2956 transitions. [2021-11-22 14:50:30,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 101.93103448275862) internal successors, (2956), 29 states have internal predecessors, (2956), 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) [2021-11-22 14:50:30,182 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 151.0) internal successors, (4530), 30 states have internal predecessors, (4530), 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) [2021-11-22 14:50:30,184 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 151.0) internal successors, (4530), 30 states have internal predecessors, (4530), 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) [2021-11-22 14:50:30,185 INFO L186 Difference]: Start difference. First operand has 192 places, 209 transitions, 1019 flow. Second operand 29 states and 2956 transitions. [2021-11-22 14:50:30,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 316 transitions, 2267 flow [2021-11-22 14:50:30,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 316 transitions, 2230 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-11-22 14:50:30,531 INFO L242 Difference]: Finished difference. Result has 231 places, 248 transitions, 1471 flow [2021-11-22 14:50:30,532 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=986, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=1471, PETRI_PLACES=231, PETRI_TRANSITIONS=248} [2021-11-22 14:50:30,535 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 88 predicate places. [2021-11-22 14:50:30,536 INFO L470 AbstractCegarLoop]: Abstraction has has 231 places, 248 transitions, 1471 flow [2021-11-22 14:50:30,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 98.9) internal successors, (1978), 20 states have internal predecessors, (1978), 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) [2021-11-22 14:50:30,553 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:50:30,554 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:50:30,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 14:50:30,554 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-22 14:50:30,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:30,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1773674094, now seen corresponding path program 4 times [2021-11-22 14:50:30,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:30,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822824894] [2021-11-22 14:50:30,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:30,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:31,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:31,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:50:31,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822824894] [2021-11-22 14:50:31,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822824894] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:31,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:31,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-22 14:50:31,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66181062] [2021-11-22 14:50:31,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:31,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-22 14:50:31,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:50:31,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-22 14:50:31,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2021-11-22 14:50:31,958 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 151 [2021-11-22 14:50:31,962 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 248 transitions, 1471 flow. Second operand has 24 states, 24 states have (on average 95.70833333333333) internal successors, (2297), 24 states have internal predecessors, (2297), 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) [2021-11-22 14:50:31,963 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:50:31,963 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 151 [2021-11-22 14:50:31,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 14:50:38,239 INFO L129 PetriNetUnfolder]: 6371/15923 cut-off events. [2021-11-22 14:50:38,239 INFO L130 PetriNetUnfolder]: For 95061/96058 co-relation queries the response was YES. [2021-11-22 14:50:38,398 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65558 conditions, 15923 events. 6371/15923 cut-off events. For 95061/96058 co-relation queries the response was YES. Maximal size of possible extension queue 824. Compared 169603 event pairs, 2555 based on Foata normal form. 65/15010 useless extension candidates. Maximal degree in co-relation 65410. Up to 6605 conditions per place. [2021-11-22 14:50:38,495 INFO L132 encePairwiseOnDemand]: 125/151 looper letters, 181 selfloop transitions, 130 changer transitions 0/401 dead transitions. [2021-11-22 14:50:38,495 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 401 transitions, 3715 flow [2021-11-22 14:50:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-22 14:50:38,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-11-22 14:50:38,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 3756 transitions. [2021-11-22 14:50:38,503 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6545834785639596 [2021-11-22 14:50:38,503 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 3756 transitions. [2021-11-22 14:50:38,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 3756 transitions. [2021-11-22 14:50:38,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:50:38,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 3756 transitions. [2021-11-22 14:50:38,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 98.84210526315789) internal successors, (3756), 38 states have internal predecessors, (3756), 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) [2021-11-22 14:50:38,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 151.0) internal successors, (5889), 39 states have internal predecessors, (5889), 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) [2021-11-22 14:50:38,525 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 151.0) internal successors, (5889), 39 states have internal predecessors, (5889), 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) [2021-11-22 14:50:38,526 INFO L186 Difference]: Start difference. First operand has 231 places, 248 transitions, 1471 flow. Second operand 38 states and 3756 transitions. [2021-11-22 14:50:38,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 401 transitions, 3715 flow [2021-11-22 14:50:39,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 401 transitions, 3357 flow, removed 171 selfloop flow, removed 17 redundant places. [2021-11-22 14:50:39,392 INFO L242 Difference]: Finished difference. Result has 260 places, 360 transitions, 3025 flow [2021-11-22 14:50:39,393 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=1355, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=3025, PETRI_PLACES=260, PETRI_TRANSITIONS=360} [2021-11-22 14:50:39,394 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 117 predicate places. [2021-11-22 14:50:39,394 INFO L470 AbstractCegarLoop]: Abstraction has has 260 places, 360 transitions, 3025 flow [2021-11-22 14:50:39,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 95.70833333333333) internal successors, (2297), 24 states have internal predecessors, (2297), 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) [2021-11-22 14:50:39,395 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:50:39,395 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:50:39,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 14:50:39,396 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-22 14:50:39,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:39,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1966479938, now seen corresponding path program 1 times [2021-11-22 14:50:39,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:39,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209948244] [2021-11-22 14:50:39,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:39,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:39,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:39,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:50:39,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209948244] [2021-11-22 14:50:39,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209948244] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:39,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:39,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 14:50:39,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095816586] [2021-11-22 14:50:39,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:39,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 14:50:39,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:50:39,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 14:50:39,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-22 14:50:39,535 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 151 [2021-11-22 14:50:39,536 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 360 transitions, 3025 flow. Second operand has 7 states, 7 states have (on average 127.28571428571429) internal successors, (891), 7 states have internal predecessors, (891), 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) [2021-11-22 14:50:39,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:50:39,537 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 151 [2021-11-22 14:50:39,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 14:50:44,164 INFO L129 PetriNetUnfolder]: 8737/17544 cut-off events. [2021-11-22 14:50:44,164 INFO L130 PetriNetUnfolder]: For 107183/108834 co-relation queries the response was YES. [2021-11-22 14:50:44,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77294 conditions, 17544 events. 8737/17544 cut-off events. For 107183/108834 co-relation queries the response was YES. Maximal size of possible extension queue 984. Compared 159424 event pairs, 208 based on Foata normal form. 619/17841 useless extension candidates. Maximal degree in co-relation 77153. Up to 5161 conditions per place. [2021-11-22 14:50:44,477 INFO L132 encePairwiseOnDemand]: 141/151 looper letters, 265 selfloop transitions, 21 changer transitions 162/614 dead transitions. [2021-11-22 14:50:44,478 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 614 transitions, 6467 flow [2021-11-22 14:50:44,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-22 14:50:44,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-22 14:50:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1347 transitions. [2021-11-22 14:50:44,483 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8920529801324504 [2021-11-22 14:50:44,483 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1347 transitions. [2021-11-22 14:50:44,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1347 transitions. [2021-11-22 14:50:44,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:50:44,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1347 transitions. [2021-11-22 14:50:44,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 134.7) internal successors, (1347), 10 states have internal predecessors, (1347), 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) [2021-11-22 14:50:44,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 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) [2021-11-22 14:50:44,493 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 151.0) internal successors, (1661), 11 states have internal predecessors, (1661), 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) [2021-11-22 14:50:44,493 INFO L186 Difference]: Start difference. First operand has 260 places, 360 transitions, 3025 flow. Second operand 10 states and 1347 transitions. [2021-11-22 14:50:44,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 614 transitions, 6467 flow [2021-11-22 14:50:44,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 614 transitions, 5515 flow, removed 445 selfloop flow, removed 13 redundant places. [2021-11-22 14:50:44,877 INFO L242 Difference]: Finished difference. Result has 261 places, 271 transitions, 1828 flow [2021-11-22 14:50:44,877 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=2234, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1828, PETRI_PLACES=261, PETRI_TRANSITIONS=271} [2021-11-22 14:50:44,878 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 118 predicate places. [2021-11-22 14:50:44,879 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 271 transitions, 1828 flow [2021-11-22 14:50:44,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 127.28571428571429) internal successors, (891), 7 states have internal predecessors, (891), 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) [2021-11-22 14:50:44,879 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:50:44,880 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:50:44,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 14:50:44,880 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-22 14:50:44,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:44,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1187506511, now seen corresponding path program 1 times [2021-11-22 14:50:44,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:44,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505211317] [2021-11-22 14:50:44,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:44,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:46,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:50:46,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505211317] [2021-11-22 14:50:46,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505211317] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:46,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:46,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-11-22 14:50:46,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002113911] [2021-11-22 14:50:46,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:46,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-22 14:50:46,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:50:46,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-22 14:50:46,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2021-11-22 14:50:46,305 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 151 [2021-11-22 14:50:46,308 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 271 transitions, 1828 flow. Second operand has 24 states, 24 states have (on average 94.79166666666667) internal successors, (2275), 24 states have internal predecessors, (2275), 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) [2021-11-22 14:50:46,308 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:50:46,308 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 151 [2021-11-22 14:50:46,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 14:50:50,109 INFO L129 PetriNetUnfolder]: 3899/11171 cut-off events. [2021-11-22 14:50:50,109 INFO L130 PetriNetUnfolder]: For 74713/77672 co-relation queries the response was YES. [2021-11-22 14:50:50,232 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49484 conditions, 11171 events. 3899/11171 cut-off events. For 74713/77672 co-relation queries the response was YES. Maximal size of possible extension queue 847. Compared 124454 event pairs, 781 based on Foata normal form. 191/10876 useless extension candidates. Maximal degree in co-relation 49324. Up to 3554 conditions per place. [2021-11-22 14:50:50,295 INFO L132 encePairwiseOnDemand]: 127/151 looper letters, 139 selfloop transitions, 124 changer transitions 0/371 dead transitions. [2021-11-22 14:50:50,295 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 371 transitions, 3559 flow [2021-11-22 14:50:50,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-22 14:50:50,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-11-22 14:50:50,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 3122 transitions. [2021-11-22 14:50:50,301 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6461092715231788 [2021-11-22 14:50:50,301 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 3122 transitions. [2021-11-22 14:50:50,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 3122 transitions. [2021-11-22 14:50:50,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:50:50,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 3122 transitions. [2021-11-22 14:50:50,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 97.5625) internal successors, (3122), 32 states have internal predecessors, (3122), 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) [2021-11-22 14:50:50,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 151.0) internal successors, (4983), 33 states have internal predecessors, (4983), 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) [2021-11-22 14:50:50,317 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 151.0) internal successors, (4983), 33 states have internal predecessors, (4983), 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) [2021-11-22 14:50:50,317 INFO L186 Difference]: Start difference. First operand has 261 places, 271 transitions, 1828 flow. Second operand 32 states and 3122 transitions. [2021-11-22 14:50:50,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 371 transitions, 3559 flow [2021-11-22 14:50:51,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 371 transitions, 3280 flow, removed 136 selfloop flow, removed 17 redundant places. [2021-11-22 14:50:51,255 INFO L242 Difference]: Finished difference. Result has 267 places, 333 transitions, 2935 flow [2021-11-22 14:50:51,256 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=1711, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=2935, PETRI_PLACES=267, PETRI_TRANSITIONS=333} [2021-11-22 14:50:51,257 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 124 predicate places. [2021-11-22 14:50:51,257 INFO L470 AbstractCegarLoop]: Abstraction has has 267 places, 333 transitions, 2935 flow [2021-11-22 14:50:51,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 94.79166666666667) internal successors, (2275), 24 states have internal predecessors, (2275), 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) [2021-11-22 14:50:51,257 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:50:51,258 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:50:51,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 14:50:51,258 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-22 14:50:51,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:51,259 INFO L85 PathProgramCache]: Analyzing trace with hash 846301345, now seen corresponding path program 2 times [2021-11-22 14:50:51,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:51,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541960112] [2021-11-22 14:50:51,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:51,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:51,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:51,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:50:51,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541960112] [2021-11-22 14:50:51,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541960112] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:51,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:51,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-11-22 14:50:51,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727334269] [2021-11-22 14:50:51,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:51,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-22 14:50:51,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:50:51,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-22 14:50:51,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2021-11-22 14:50:51,798 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 151 [2021-11-22 14:50:51,800 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 333 transitions, 2935 flow. Second operand has 17 states, 17 states have (on average 112.0) internal successors, (1904), 17 states have internal predecessors, (1904), 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) [2021-11-22 14:50:51,800 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:50:51,801 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 151 [2021-11-22 14:50:51,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 14:50:55,959 INFO L129 PetriNetUnfolder]: 5890/16951 cut-off events. [2021-11-22 14:50:55,959 INFO L130 PetriNetUnfolder]: For 108329/109860 co-relation queries the response was YES. [2021-11-22 14:50:56,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70043 conditions, 16951 events. 5890/16951 cut-off events. For 108329/109860 co-relation queries the response was YES. Maximal size of possible extension queue 1321. Compared 205817 event pairs, 1161 based on Foata normal form. 311/16517 useless extension candidates. Maximal degree in co-relation 69881. Up to 3956 conditions per place. [2021-11-22 14:50:56,220 INFO L132 encePairwiseOnDemand]: 133/151 looper letters, 213 selfloop transitions, 71 changer transitions 0/407 dead transitions. [2021-11-22 14:50:56,220 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 407 transitions, 4483 flow [2021-11-22 14:50:56,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-22 14:50:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-11-22 14:50:56,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1845 transitions. [2021-11-22 14:50:56,223 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7636589403973509 [2021-11-22 14:50:56,223 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1845 transitions. [2021-11-22 14:50:56,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1845 transitions. [2021-11-22 14:50:56,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:50:56,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1845 transitions. [2021-11-22 14:50:56,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 115.3125) internal successors, (1845), 16 states have internal predecessors, (1845), 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) [2021-11-22 14:50:56,231 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 151.0) internal successors, (2567), 17 states have internal predecessors, (2567), 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) [2021-11-22 14:50:56,232 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 151.0) internal successors, (2567), 17 states have internal predecessors, (2567), 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) [2021-11-22 14:50:56,232 INFO L186 Difference]: Start difference. First operand has 267 places, 333 transitions, 2935 flow. Second operand 16 states and 1845 transitions. [2021-11-22 14:50:56,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 407 transitions, 4483 flow [2021-11-22 14:50:57,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 407 transitions, 4054 flow, removed 174 selfloop flow, removed 18 redundant places. [2021-11-22 14:50:57,073 INFO L242 Difference]: Finished difference. Result has 270 places, 357 transitions, 3096 flow [2021-11-22 14:50:57,074 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=2506, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=3096, PETRI_PLACES=270, PETRI_TRANSITIONS=357} [2021-11-22 14:50:57,074 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 127 predicate places. [2021-11-22 14:50:57,074 INFO L470 AbstractCegarLoop]: Abstraction has has 270 places, 357 transitions, 3096 flow [2021-11-22 14:50:57,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 112.0) internal successors, (1904), 17 states have internal predecessors, (1904), 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) [2021-11-22 14:50:57,075 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:50:57,075 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:50:57,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 14:50:57,075 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-22 14:50:57,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:50:57,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1993880443, now seen corresponding path program 3 times [2021-11-22 14:50:57,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:50:57,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830436128] [2021-11-22 14:50:57,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:50:57,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:50:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:50:57,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:50:57,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:50:57,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830436128] [2021-11-22 14:50:57,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830436128] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:50:57,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:50:57,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-11-22 14:50:57,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792035280] [2021-11-22 14:50:57,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:50:57,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-22 14:50:57,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:50:57,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-22 14:50:57,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2021-11-22 14:50:57,808 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 151 [2021-11-22 14:50:57,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 357 transitions, 3096 flow. Second operand has 18 states, 18 states have (on average 110.94444444444444) internal successors, (1997), 18 states have internal predecessors, (1997), 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) [2021-11-22 14:50:57,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:50:57,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 151 [2021-11-22 14:50:57,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 14:51:03,152 INFO L129 PetriNetUnfolder]: 7348/21123 cut-off events. [2021-11-22 14:51:03,152 INFO L130 PetriNetUnfolder]: For 135129/137205 co-relation queries the response was YES. [2021-11-22 14:51:03,450 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86601 conditions, 21123 events. 7348/21123 cut-off events. For 135129/137205 co-relation queries the response was YES. Maximal size of possible extension queue 1602. Compared 264816 event pairs, 1420 based on Foata normal form. 401/20540 useless extension candidates. Maximal degree in co-relation 86435. Up to 5166 conditions per place. [2021-11-22 14:51:03,751 INFO L132 encePairwiseOnDemand]: 132/151 looper letters, 182 selfloop transitions, 104 changer transitions 59/467 dead transitions. [2021-11-22 14:51:03,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 467 transitions, 5217 flow [2021-11-22 14:51:03,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-22 14:51:03,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-11-22 14:51:03,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2390 transitions. [2021-11-22 14:51:03,760 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7537054556922107 [2021-11-22 14:51:03,760 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 2390 transitions. [2021-11-22 14:51:03,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 2390 transitions. [2021-11-22 14:51:03,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:51:03,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 2390 transitions. [2021-11-22 14:51:03,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 113.80952380952381) internal successors, (2390), 21 states have internal predecessors, (2390), 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) [2021-11-22 14:51:03,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 151.0) internal successors, (3322), 22 states have internal predecessors, (3322), 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) [2021-11-22 14:51:03,773 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 151.0) internal successors, (3322), 22 states have internal predecessors, (3322), 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) [2021-11-22 14:51:03,773 INFO L186 Difference]: Start difference. First operand has 270 places, 357 transitions, 3096 flow. Second operand 21 states and 2390 transitions. [2021-11-22 14:51:03,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 467 transitions, 5217 flow [2021-11-22 14:51:05,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 467 transitions, 5084 flow, removed 59 selfloop flow, removed 8 redundant places. [2021-11-22 14:51:05,094 INFO L242 Difference]: Finished difference. Result has 290 places, 360 transitions, 3383 flow [2021-11-22 14:51:05,095 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=3025, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3383, PETRI_PLACES=290, PETRI_TRANSITIONS=360} [2021-11-22 14:51:05,095 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 147 predicate places. [2021-11-22 14:51:05,096 INFO L470 AbstractCegarLoop]: Abstraction has has 290 places, 360 transitions, 3383 flow [2021-11-22 14:51:05,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 110.94444444444444) internal successors, (1997), 18 states have internal predecessors, (1997), 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) [2021-11-22 14:51:05,096 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:51:05,097 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:51:05,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-22 14:51:05,097 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-22 14:51:05,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:51:05,098 INFO L85 PathProgramCache]: Analyzing trace with hash -985234739, now seen corresponding path program 4 times [2021-11-22 14:51:05,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:51:05,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29653772] [2021-11-22 14:51:05,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:51:05,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:51:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:51:06,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:51:06,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:51:06,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29653772] [2021-11-22 14:51:06,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29653772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:51:06,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:51:06,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-11-22 14:51:06,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144277757] [2021-11-22 14:51:06,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:51:06,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-22 14:51:06,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:51:06,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-22 14:51:06,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2021-11-22 14:51:06,206 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 151 [2021-11-22 14:51:06,210 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 360 transitions, 3383 flow. Second operand has 22 states, 22 states have (on average 96.86363636363636) internal successors, (2131), 22 states have internal predecessors, (2131), 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) [2021-11-22 14:51:06,210 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:51:06,210 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 151 [2021-11-22 14:51:06,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 14:51:13,069 INFO L129 PetriNetUnfolder]: 7460/21836 cut-off events. [2021-11-22 14:51:13,069 INFO L130 PetriNetUnfolder]: For 168534/170351 co-relation queries the response was YES. [2021-11-22 14:51:13,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92691 conditions, 21836 events. 7460/21836 cut-off events. For 168534/170351 co-relation queries the response was YES. Maximal size of possible extension queue 1655. Compared 277216 event pairs, 1785 based on Foata normal form. 305/21192 useless extension candidates. Maximal degree in co-relation 92512. Up to 5201 conditions per place. [2021-11-22 14:51:13,511 INFO L132 encePairwiseOnDemand]: 129/151 looper letters, 154 selfloop transitions, 176 changer transitions 5/445 dead transitions. [2021-11-22 14:51:13,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 445 transitions, 5578 flow [2021-11-22 14:51:13,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-22 14:51:13,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-11-22 14:51:13,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 3286 transitions. [2021-11-22 14:51:13,517 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6594421031507124 [2021-11-22 14:51:13,517 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 3286 transitions. [2021-11-22 14:51:13,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 3286 transitions. [2021-11-22 14:51:13,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:51:13,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 3286 transitions. [2021-11-22 14:51:13,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 99.57575757575758) internal successors, (3286), 33 states have internal predecessors, (3286), 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) [2021-11-22 14:51:13,534 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 151.0) internal successors, (5134), 34 states have internal predecessors, (5134), 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) [2021-11-22 14:51:13,536 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 151.0) internal successors, (5134), 34 states have internal predecessors, (5134), 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) [2021-11-22 14:51:13,537 INFO L186 Difference]: Start difference. First operand has 290 places, 360 transitions, 3383 flow. Second operand 33 states and 3286 transitions. [2021-11-22 14:51:13,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 445 transitions, 5578 flow [2021-11-22 14:51:15,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 445 transitions, 5316 flow, removed 73 selfloop flow, removed 14 redundant places. [2021-11-22 14:51:15,157 INFO L242 Difference]: Finished difference. Result has 314 places, 408 transitions, 4770 flow [2021-11-22 14:51:15,157 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=151, PETRI_DIFFERENCE_MINUEND_FLOW=3232, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=4770, PETRI_PLACES=314, PETRI_TRANSITIONS=408} [2021-11-22 14:51:15,158 INFO L334 CegarLoopForPetriNet]: 143 programPoint places, 171 predicate places. [2021-11-22 14:51:15,158 INFO L470 AbstractCegarLoop]: Abstraction has has 314 places, 408 transitions, 4770 flow [2021-11-22 14:51:15,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 96.86363636363636) internal successors, (2131), 22 states have internal predecessors, (2131), 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) [2021-11-22 14:51:15,159 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 14:51:15,159 INFO L254 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 14:51:15,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-22 14:51:15,159 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-22 14:51:15,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:51:15,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1290347007, now seen corresponding path program 1 times [2021-11-22 14:51:15,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:51:15,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792026844] [2021-11-22 14:51:15,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:51:15,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:51:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:51:15,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:51:15,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 14:51:15,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792026844] [2021-11-22 14:51:15,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792026844] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 14:51:15,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 14:51:15,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 14:51:15,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65521912] [2021-11-22 14:51:15,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 14:51:15,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 14:51:15,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 14:51:15,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 14:51:15,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 14:51:15,563 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 151 [2021-11-22 14:51:15,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 408 transitions, 4770 flow. Second operand has 7 states, 7 states have (on average 128.71428571428572) internal successors, (901), 7 states have internal predecessors, (901), 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) [2021-11-22 14:51:15,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 14:51:15,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 151 [2021-11-22 14:51:15,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand