./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL --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 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:18:33,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:18:33,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:18:33,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:18:33,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:18:33,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:18:33,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:18:33,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:18:33,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:18:33,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:18:33,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:18:33,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:18:33,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:18:33,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:18:33,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:18:33,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:18:33,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:18:33,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:18:33,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:18:33,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:18:33,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:18:33,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:18:33,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:18:33,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:18:33,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:18:33,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:18:33,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:18:33,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:18:33,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:18:33,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:18:33,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:18:33,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:18:33,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:18:33,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:18:33,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:18:33,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:18:33,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:18:33,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:18:33,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:18:33,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:18:33,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:18:33,632 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-19 05:18:33,673 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:18:33,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:18:33,675 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:18:33,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:18:33,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:18:33,678 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:18:33,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:18:33,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:18:33,679 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:18:33,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:18:33,681 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:18:33,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:18:33,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:18:33,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:18:33,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:18:33,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:18:33,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:18:33,683 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:18:33,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:18:33,683 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:18:33,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:18:33,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:18:33,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:18:33,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:18:33,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:18:33,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:18:33,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:18:33,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:18:33,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:18:33,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:18:33,688 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:18:33,688 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 05:18:33,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:18:33,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:18:33,689 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_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 [2021-11-19 05:18:33,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:18:34,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:18:34,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:18:34,031 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:18:34,032 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:18:34,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2021-11-19 05:18:34,108 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL/data/bfd2b69a9/343dce5db5624a17888b33f54468b468/FLAGf793a7ba4 [2021-11-19 05:18:34,662 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:18:34,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2021-11-19 05:18:34,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL/data/bfd2b69a9/343dce5db5624a17888b33f54468b468/FLAGf793a7ba4 [2021-11-19 05:18:34,998 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL/data/bfd2b69a9/343dce5db5624a17888b33f54468b468 [2021-11-19 05:18:35,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:18:35,002 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:18:35,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:18:35,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:18:35,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:18:35,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:18:34" (1/1) ... [2021-11-19 05:18:35,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a5004d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:35, skipping insertion in model container [2021-11-19 05:18:35,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:18:34" (1/1) ... [2021-11-19 05:18:35,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:18:35,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:18:35,279 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_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/sv-benchmarks/c/weaver/chl-word-subst.wvr.c[3345,3358] [2021-11-19 05:18:35,287 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:18:35,296 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:18:35,329 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_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/sv-benchmarks/c/weaver/chl-word-subst.wvr.c[3345,3358] [2021-11-19 05:18:35,334 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:18:35,349 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:18:35,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:35 WrapperNode [2021-11-19 05:18:35,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:18:35,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:18:35,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:18:35,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:18:35,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:35" (1/1) ... [2021-11-19 05:18:35,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:35" (1/1) ... [2021-11-19 05:18:35,406 INFO L137 Inliner]: procedures = 25, calls = 45, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 176 [2021-11-19 05:18:35,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:18:35,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:18:35,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:18:35,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:18:35,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:35" (1/1) ... [2021-11-19 05:18:35,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:35" (1/1) ... [2021-11-19 05:18:35,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:35" (1/1) ... [2021-11-19 05:18:35,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:35" (1/1) ... [2021-11-19 05:18:35,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:35" (1/1) ... [2021-11-19 05:18:35,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:35" (1/1) ... [2021-11-19 05:18:35,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:35" (1/1) ... [2021-11-19 05:18:35,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:18:35,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:18:35,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:18:35,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:18:35,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:35" (1/1) ... [2021-11-19 05:18:35,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:18:35,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:18:35,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:18:35,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537cc7ee-81d6-425d-b8dd-6f052b47cb8b/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:18:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:18:35,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:18:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:18:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:18:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-19 05:18:35,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-19 05:18:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-19 05:18:35,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-19 05:18:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-19 05:18:35,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-19 05:18:35,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:18:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 05:18:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:18:35,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:18:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:18:35,550 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 05:18:35,654 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:18:35,656 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:18:36,294 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:18:36,307 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:18:36,307 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-19 05:18:36,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:18:36 BoogieIcfgContainer [2021-11-19 05:18:36,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:18:36,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:18:36,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:18:36,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:18:36,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:18:34" (1/3) ... [2021-11-19 05:18:36,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176ac6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:18:36, skipping insertion in model container [2021-11-19 05:18:36,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:18:35" (2/3) ... [2021-11-19 05:18:36,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176ac6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:18:36, skipping insertion in model container [2021-11-19 05:18:36,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:18:36" (3/3) ... [2021-11-19 05:18:36,333 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-word-subst.wvr.c [2021-11-19 05:18:36,340 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 05:18:36,340 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:18:36,340 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:18:36,341 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 05:18:36,415 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,416 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,416 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,417 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,417 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,417 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,418 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,418 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,418 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,419 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,419 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,419 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,419 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,420 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,421 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,421 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,422 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,422 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,423 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,423 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,424 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,425 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,425 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,425 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,426 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,426 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,427 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,427 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,427 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,428 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,428 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,428 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,428 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,429 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,429 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,429 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,429 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,431 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,431 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,431 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,432 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,432 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,432 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,433 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,433 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,433 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,433 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,434 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,434 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,435 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,435 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,435 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,435 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,436 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,437 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,437 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,437 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,437 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,438 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,438 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,438 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,438 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,439 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,439 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,439 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,440 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,440 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,440 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,440 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,441 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,441 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,441 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,441 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,442 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,443 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,446 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,446 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,447 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,447 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,448 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,449 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,449 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,449 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,451 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,457 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,457 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,458 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,459 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,459 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,460 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,460 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,460 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,460 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,461 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,461 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,461 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,461 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,461 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,462 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,462 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,463 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,466 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,466 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,466 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,466 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,466 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,467 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,467 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,467 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,467 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,468 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,468 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,468 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,468 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,468 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,469 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,469 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,469 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,470 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,470 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,471 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,471 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,471 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,471 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,472 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,472 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,473 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,473 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,473 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,473 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,474 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,474 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,475 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,475 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,475 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,475 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,476 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,477 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,477 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,478 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,478 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,478 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,478 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,479 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,479 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,479 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,479 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,479 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,482 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,482 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,482 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,483 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,484 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,484 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,484 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,485 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,485 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,485 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,485 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,486 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,486 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,486 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,486 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,486 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,487 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,487 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,487 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,487 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,487 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,488 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,488 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,488 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,488 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,489 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,489 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,489 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,489 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,489 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,490 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,490 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,490 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,491 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,495 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,495 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,496 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,496 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,496 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,496 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,496 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,497 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,497 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,498 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,499 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,499 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,499 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,499 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,500 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,500 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,500 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,500 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,501 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,501 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,501 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,501 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,501 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,502 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,502 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,502 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,503 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,503 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,510 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,511 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,512 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,513 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,513 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,513 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,513 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,513 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,514 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,514 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,514 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,514 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,514 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,515 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,515 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,515 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,515 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,516 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,516 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,516 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,517 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,517 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,518 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,518 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,518 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,518 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,518 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,519 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,519 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,528 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,528 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,529 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,529 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,529 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,529 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~stop~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,529 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,530 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,530 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,530 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,530 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,534 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,535 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,535 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,535 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,535 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,536 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,536 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~stop~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,536 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,539 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,539 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,540 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,540 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~stop~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,540 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,540 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,541 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,541 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,541 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,541 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 05:18:36,545 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-19 05:18:36,618 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:18:36,627 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 [2021-11-19 05:18:36,628 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-19 05:18:36,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 340 transitions, 704 flow [2021-11-19 05:18:36,791 INFO L129 PetriNetUnfolder]: 35/337 cut-off events. [2021-11-19 05:18:36,792 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-19 05:18:36,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 337 events. 35/337 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 507 event pairs, 0 based on Foata normal form. 0/301 useless extension candidates. Maximal degree in co-relation 261. Up to 3 conditions per place. [2021-11-19 05:18:36,808 INFO L82 GeneralOperation]: Start removeDead. Operand has 315 places, 340 transitions, 704 flow [2021-11-19 05:18:36,817 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 301 places, 326 transitions, 670 flow [2021-11-19 05:18:36,925 INFO L129 PetriNetUnfolder]: 35/325 cut-off events. [2021-11-19 05:18:36,926 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-19 05:18:36,926 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 05:18:36,927 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:18:36,927 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:18:36,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:18:36,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1863076525, now seen corresponding path program 1 times [2021-11-19 05:18:36,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:18:36,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377709696] [2021-11-19 05:18:36,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:18:36,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:18:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:18:37,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:18:37,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:18:37,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377709696] [2021-11-19 05:18:37,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377709696] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:18:37,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:18:37,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 05:18:37,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931556959] [2021-11-19 05:18:37,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:18:37,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 05:18:37,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:18:37,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 05:18:37,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 05:18:37,395 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 340 [2021-11-19 05:18:37,403 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 326 transitions, 670 flow. Second operand has 2 states, 2 states have (on average 324.0) internal successors, (648), 2 states have internal predecessors, (648), 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) [2021-11-19 05:18:37,403 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 05:18:37,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 340 [2021-11-19 05:18:37,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 05:18:37,526 INFO L129 PetriNetUnfolder]: 21/312 cut-off events. [2021-11-19 05:18:37,526 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-11-19 05:18:37,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 312 events. 21/312 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 499 event pairs, 0 based on Foata normal form. 20/303 useless extension candidates. Maximal degree in co-relation 252. Up to 7 conditions per place. [2021-11-19 05:18:37,532 INFO L132 encePairwiseOnDemand]: 326/340 looper letters, 6 selfloop transitions, 0 changer transitions 8/312 dead transitions. [2021-11-19 05:18:37,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 312 transitions, 654 flow [2021-11-19 05:18:37,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:18:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-11-19 05:18:37,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 658 transitions. [2021-11-19 05:18:37,551 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9676470588235294 [2021-11-19 05:18:37,552 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 658 transitions. [2021-11-19 05:18:37,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 658 transitions. [2021-11-19 05:18:37,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:18:37,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 658 transitions. [2021-11-19 05:18:37,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 329.0) internal successors, (658), 2 states have internal predecessors, (658), 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) [2021-11-19 05:18:37,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 340.0) internal successors, (1020), 3 states have internal predecessors, (1020), 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) [2021-11-19 05:18:37,573 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 340.0) internal successors, (1020), 3 states have internal predecessors, (1020), 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) [2021-11-19 05:18:37,575 INFO L186 Difference]: Start difference. First operand has 301 places, 326 transitions, 670 flow. Second operand 2 states and 658 transitions. [2021-11-19 05:18:37,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 312 transitions, 654 flow [2021-11-19 05:18:37,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 312 transitions, 642 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-11-19 05:18:37,591 INFO L242 Difference]: Finished difference. Result has 296 places, 304 transitions, 614 flow [2021-11-19 05:18:37,593 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=614, PETRI_PLACES=296, PETRI_TRANSITIONS=304} [2021-11-19 05:18:37,597 INFO L334 CegarLoopForPetriNet]: 301 programPoint places, -5 predicate places. [2021-11-19 05:18:37,597 INFO L470 AbstractCegarLoop]: Abstraction has has 296 places, 304 transitions, 614 flow [2021-11-19 05:18:37,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 324.0) internal successors, (648), 2 states have internal predecessors, (648), 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) [2021-11-19 05:18:37,599 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 05:18:37,599 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:18:37,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:18:37,600 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:18:37,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:18:37,600 INFO L85 PathProgramCache]: Analyzing trace with hash -727196831, now seen corresponding path program 1 times [2021-11-19 05:18:37,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:18:37,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992878990] [2021-11-19 05:18:37,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:18:37,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:18:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:18:37,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:18:37,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:18:37,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992878990] [2021-11-19 05:18:37,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992878990] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:18:37,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:18:37,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:18:37,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029983252] [2021-11-19 05:18:37,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:18:37,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:18:37,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:18:37,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:18:37,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:18:37,753 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 340 [2021-11-19 05:18:37,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 304 transitions, 614 flow. Second operand has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 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) [2021-11-19 05:18:37,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 05:18:37,756 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 340 [2021-11-19 05:18:37,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 05:18:37,904 INFO L129 PetriNetUnfolder]: 50/489 cut-off events. [2021-11-19 05:18:37,904 INFO L130 PetriNetUnfolder]: For 6/8 co-relation queries the response was YES. [2021-11-19 05:18:37,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 489 events. 50/489 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1520 event pairs, 4 based on Foata normal form. 0/445 useless extension candidates. Maximal degree in co-relation 536. Up to 22 conditions per place. [2021-11-19 05:18:37,913 INFO L132 encePairwiseOnDemand]: 337/340 looper letters, 14 selfloop transitions, 2 changer transitions 0/310 dead transitions. [2021-11-19 05:18:37,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 310 transitions, 663 flow [2021-11-19 05:18:37,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:18:37,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-19 05:18:37,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 962 transitions. [2021-11-19 05:18:37,918 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9431372549019608 [2021-11-19 05:18:37,918 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 962 transitions. [2021-11-19 05:18:37,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 962 transitions. [2021-11-19 05:18:37,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:18:37,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 962 transitions. [2021-11-19 05:18:37,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 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) [2021-11-19 05:18:37,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 340.0) internal successors, (1360), 4 states have internal predecessors, (1360), 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) [2021-11-19 05:18:37,929 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 340.0) internal successors, (1360), 4 states have internal predecessors, (1360), 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) [2021-11-19 05:18:37,929 INFO L186 Difference]: Start difference. First operand has 296 places, 304 transitions, 614 flow. Second operand 3 states and 962 transitions. [2021-11-19 05:18:37,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 310 transitions, 663 flow [2021-11-19 05:18:37,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 310 transitions, 663 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-19 05:18:37,940 INFO L242 Difference]: Finished difference. Result has 291 places, 304 transitions, 622 flow [2021-11-19 05:18:37,941 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=622, PETRI_PLACES=291, PETRI_TRANSITIONS=304} [2021-11-19 05:18:37,942 INFO L334 CegarLoopForPetriNet]: 301 programPoint places, -10 predicate places. [2021-11-19 05:18:37,942 INFO L470 AbstractCegarLoop]: Abstraction has has 291 places, 304 transitions, 622 flow [2021-11-19 05:18:37,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 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) [2021-11-19 05:18:37,944 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 05:18:37,944 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:18:37,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:18:37,944 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:18:37,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:18:37,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1012256445, now seen corresponding path program 1 times [2021-11-19 05:18:37,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:18:37,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530369889] [2021-11-19 05:18:37,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:18:37,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:18:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:18:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:18:38,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:18:38,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530369889] [2021-11-19 05:18:38,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530369889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:18:38,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:18:38,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:18:38,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52971993] [2021-11-19 05:18:38,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:18:38,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:18:38,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:18:38,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:18:38,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:18:38,092 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 340 [2021-11-19 05:18:38,094 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 304 transitions, 622 flow. Second operand has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 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) [2021-11-19 05:18:38,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 05:18:38,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 340 [2021-11-19 05:18:38,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 05:18:38,264 INFO L129 PetriNetUnfolder]: 59/555 cut-off events. [2021-11-19 05:18:38,264 INFO L130 PetriNetUnfolder]: For 29/31 co-relation queries the response was YES. [2021-11-19 05:18:38,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 623 conditions, 555 events. 59/555 cut-off events. For 29/31 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1896 event pairs, 12 based on Foata normal form. 0/507 useless extension candidates. Maximal degree in co-relation 618. Up to 37 conditions per place. [2021-11-19 05:18:38,272 INFO L132 encePairwiseOnDemand]: 337/340 looper letters, 12 selfloop transitions, 2 changer transitions 0/308 dead transitions. [2021-11-19 05:18:38,272 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 308 transitions, 661 flow [2021-11-19 05:18:38,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:18:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-19 05:18:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 960 transitions. [2021-11-19 05:18:38,278 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9411764705882353 [2021-11-19 05:18:38,279 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 960 transitions. [2021-11-19 05:18:38,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 960 transitions. [2021-11-19 05:18:38,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:18:38,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 960 transitions. [2021-11-19 05:18:38,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 320.0) internal successors, (960), 3 states have internal predecessors, (960), 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) [2021-11-19 05:18:38,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 340.0) internal successors, (1360), 4 states have internal predecessors, (1360), 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) [2021-11-19 05:18:38,288 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 340.0) internal successors, (1360), 4 states have internal predecessors, (1360), 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) [2021-11-19 05:18:38,288 INFO L186 Difference]: Start difference. First operand has 291 places, 304 transitions, 622 flow. Second operand 3 states and 960 transitions. [2021-11-19 05:18:38,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 308 transitions, 661 flow [2021-11-19 05:18:38,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 308 transitions, 657 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-19 05:18:38,297 INFO L242 Difference]: Finished difference. Result has 292 places, 304 transitions, 626 flow [2021-11-19 05:18:38,297 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=626, PETRI_PLACES=292, PETRI_TRANSITIONS=304} [2021-11-19 05:18:38,300 INFO L334 CegarLoopForPetriNet]: 301 programPoint places, -9 predicate places. [2021-11-19 05:18:38,300 INFO L470 AbstractCegarLoop]: Abstraction has has 292 places, 304 transitions, 626 flow [2021-11-19 05:18:38,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 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) [2021-11-19 05:18:38,301 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 05:18:38,302 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:18:38,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 05:18:38,302 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:18:38,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:18:38,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1896015817, now seen corresponding path program 1 times [2021-11-19 05:18:38,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:18:38,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795408215] [2021-11-19 05:18:38,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:18:38,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:18:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:18:38,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:18:38,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:18:38,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795408215] [2021-11-19 05:18:38,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795408215] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:18:38,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:18:38,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:18:38,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348748682] [2021-11-19 05:18:38,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:18:38,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:18:38,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:18:38,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:18:38,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:18:38,463 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 340 [2021-11-19 05:18:38,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 304 transitions, 626 flow. Second operand has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 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) [2021-11-19 05:18:38,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 05:18:38,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 340 [2021-11-19 05:18:38,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 05:18:38,642 INFO L129 PetriNetUnfolder]: 48/577 cut-off events. [2021-11-19 05:18:38,642 INFO L130 PetriNetUnfolder]: For 25/29 co-relation queries the response was YES. [2021-11-19 05:18:38,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 649 conditions, 577 events. 48/577 cut-off events. For 25/29 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2014 event pairs, 9 based on Foata normal form. 0/531 useless extension candidates. Maximal degree in co-relation 643. Up to 33 conditions per place. [2021-11-19 05:18:38,651 INFO L132 encePairwiseOnDemand]: 337/340 looper letters, 13 selfloop transitions, 2 changer transitions 0/309 dead transitions. [2021-11-19 05:18:38,651 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 309 transitions, 670 flow [2021-11-19 05:18:38,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:18:38,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-19 05:18:38,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 961 transitions. [2021-11-19 05:18:38,656 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.942156862745098 [2021-11-19 05:18:38,656 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 961 transitions. [2021-11-19 05:18:38,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 961 transitions. [2021-11-19 05:18:38,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:18:38,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 961 transitions. [2021-11-19 05:18:38,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 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) [2021-11-19 05:18:38,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 340.0) internal successors, (1360), 4 states have internal predecessors, (1360), 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) [2021-11-19 05:18:38,665 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 340.0) internal successors, (1360), 4 states have internal predecessors, (1360), 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) [2021-11-19 05:18:38,665 INFO L186 Difference]: Start difference. First operand has 292 places, 304 transitions, 626 flow. Second operand 3 states and 961 transitions. [2021-11-19 05:18:38,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 309 transitions, 670 flow [2021-11-19 05:18:38,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 309 transitions, 666 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-19 05:18:38,674 INFO L242 Difference]: Finished difference. Result has 293 places, 304 transitions, 630 flow [2021-11-19 05:18:38,675 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=622, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=630, PETRI_PLACES=293, PETRI_TRANSITIONS=304} [2021-11-19 05:18:38,676 INFO L334 CegarLoopForPetriNet]: 301 programPoint places, -8 predicate places. [2021-11-19 05:18:38,676 INFO L470 AbstractCegarLoop]: Abstraction has has 293 places, 304 transitions, 630 flow [2021-11-19 05:18:38,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 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) [2021-11-19 05:18:38,677 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 05:18:38,678 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:18:38,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 05:18:38,678 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:18:38,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:18:38,679 INFO L85 PathProgramCache]: Analyzing trace with hash -644485703, now seen corresponding path program 1 times [2021-11-19 05:18:38,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:18:38,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403136121] [2021-11-19 05:18:38,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:18:38,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:18:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:18:40,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:18:40,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:18:40,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403136121] [2021-11-19 05:18:40,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403136121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:18:40,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:18:40,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-19 05:18:40,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927120996] [2021-11-19 05:18:40,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:18:40,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-19 05:18:40,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:18:40,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-19 05:18:40,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2021-11-19 05:18:40,179 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 340 [2021-11-19 05:18:40,190 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 304 transitions, 630 flow. Second operand has 28 states, 28 states have (on average 227.53571428571428) internal successors, (6371), 28 states have internal predecessors, (6371), 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) [2021-11-19 05:18:40,190 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 05:18:40,190 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 340 [2021-11-19 05:18:40,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 05:18:48,054 INFO L129 PetriNetUnfolder]: 5802/19872 cut-off events. [2021-11-19 05:18:48,054 INFO L130 PetriNetUnfolder]: For 931/931 co-relation queries the response was YES. [2021-11-19 05:18:48,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29244 conditions, 19872 events. 5802/19872 cut-off events. For 931/931 co-relation queries the response was YES. Maximal size of possible extension queue 744. Compared 237124 event pairs, 3153 based on Foata normal form. 8/17023 useless extension candidates. Maximal degree in co-relation 29237. Up to 1584 conditions per place. [2021-11-19 05:18:48,338 INFO L132 encePairwiseOnDemand]: 300/340 looper letters, 274 selfloop transitions, 43 changer transitions 12/541 dead transitions. [2021-11-19 05:18:48,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 541 transitions, 1795 flow [2021-11-19 05:18:48,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-19 05:18:48,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-11-19 05:18:48,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 10230 transitions. [2021-11-19 05:18:48,376 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6838235294117647 [2021-11-19 05:18:48,377 INFO L72 ComplementDD]: Start complementDD. Operand 44 states and 10230 transitions. [2021-11-19 05:18:48,377 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 10230 transitions. [2021-11-19 05:18:48,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:18:48,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 44 states and 10230 transitions. [2021-11-19 05:18:48,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 45 states, 44 states have (on average 232.5) internal successors, (10230), 44 states have internal predecessors, (10230), 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) [2021-11-19 05:18:48,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 45 states, 45 states have (on average 340.0) internal successors, (15300), 45 states have internal predecessors, (15300), 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) [2021-11-19 05:18:48,467 INFO L81 ComplementDD]: Finished complementDD. Result has 45 states, 45 states have (on average 340.0) internal successors, (15300), 45 states have internal predecessors, (15300), 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) [2021-11-19 05:18:48,467 INFO L186 Difference]: Start difference. First operand has 293 places, 304 transitions, 630 flow. Second operand 44 states and 10230 transitions. [2021-11-19 05:18:48,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 541 transitions, 1795 flow [2021-11-19 05:18:48,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 541 transitions, 1791 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-19 05:18:48,504 INFO L242 Difference]: Finished difference. Result has 353 places, 334 transitions, 861 flow [2021-11-19 05:18:48,505 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=626, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=44, PETRI_FLOW=861, PETRI_PLACES=353, PETRI_TRANSITIONS=334} [2021-11-19 05:18:48,507 INFO L334 CegarLoopForPetriNet]: 301 programPoint places, 52 predicate places. [2021-11-19 05:18:48,508 INFO L470 AbstractCegarLoop]: Abstraction has has 353 places, 334 transitions, 861 flow [2021-11-19 05:18:48,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 227.53571428571428) internal successors, (6371), 28 states have internal predecessors, (6371), 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) [2021-11-19 05:18:48,521 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 05:18:48,522 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:18:48,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 05:18:48,522 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:18:48,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:18:48,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1092263301, now seen corresponding path program 2 times [2021-11-19 05:18:48,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:18:48,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068312864] [2021-11-19 05:18:48,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:18:48,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:18:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:18:49,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:18:49,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:18:49,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068312864] [2021-11-19 05:18:49,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068312864] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:18:49,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:18:49,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-19 05:18:49,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831327471] [2021-11-19 05:18:49,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:18:49,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-19 05:18:49,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:18:49,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-19 05:18:49,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2021-11-19 05:18:49,805 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 340 [2021-11-19 05:18:49,813 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 334 transitions, 861 flow. Second operand has 28 states, 28 states have (on average 227.53571428571428) internal successors, (6371), 28 states have internal predecessors, (6371), 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) [2021-11-19 05:18:49,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 05:18:49,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 340 [2021-11-19 05:18:49,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 05:18:57,587 INFO L129 PetriNetUnfolder]: 6053/21519 cut-off events. [2021-11-19 05:18:57,587 INFO L130 PetriNetUnfolder]: For 3561/3563 co-relation queries the response was YES. [2021-11-19 05:18:57,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34148 conditions, 21519 events. 6053/21519 cut-off events. For 3561/3563 co-relation queries the response was YES. Maximal size of possible extension queue 783. Compared 262957 event pairs, 3250 based on Foata normal form. 10/18551 useless extension candidates. Maximal degree in co-relation 34122. Up to 1584 conditions per place. [2021-11-19 05:18:57,897 INFO L132 encePairwiseOnDemand]: 298/340 looper letters, 275 selfloop transitions, 46 changer transitions 12/545 dead transitions. [2021-11-19 05:18:57,897 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 545 transitions, 2121 flow [2021-11-19 05:18:57,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-19 05:18:57,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-11-19 05:18:57,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 11358 transitions. [2021-11-19 05:18:57,937 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6817527010804322 [2021-11-19 05:18:57,937 INFO L72 ComplementDD]: Start complementDD. Operand 49 states and 11358 transitions. [2021-11-19 05:18:57,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 11358 transitions. [2021-11-19 05:18:57,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:18:57,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 49 states and 11358 transitions. [2021-11-19 05:18:57,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 50 states, 49 states have (on average 231.79591836734693) internal successors, (11358), 49 states have internal predecessors, (11358), 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) [2021-11-19 05:18:58,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 50 states, 50 states have (on average 340.0) internal successors, (17000), 50 states have internal predecessors, (17000), 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) [2021-11-19 05:18:58,019 INFO L81 ComplementDD]: Finished complementDD. Result has 50 states, 50 states have (on average 340.0) internal successors, (17000), 50 states have internal predecessors, (17000), 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) [2021-11-19 05:18:58,019 INFO L186 Difference]: Start difference. First operand has 353 places, 334 transitions, 861 flow. Second operand 49 states and 11358 transitions. [2021-11-19 05:18:58,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 545 transitions, 2121 flow [2021-11-19 05:18:58,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 545 transitions, 2013 flow, removed 47 selfloop flow, removed 13 redundant places. [2021-11-19 05:18:58,096 INFO L242 Difference]: Finished difference. Result has 394 places, 339 transitions, 981 flow [2021-11-19 05:18:58,097 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=835, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=49, PETRI_FLOW=981, PETRI_PLACES=394, PETRI_TRANSITIONS=339} [2021-11-19 05:18:58,101 INFO L334 CegarLoopForPetriNet]: 301 programPoint places, 93 predicate places. [2021-11-19 05:18:58,101 INFO L470 AbstractCegarLoop]: Abstraction has has 394 places, 339 transitions, 981 flow [2021-11-19 05:18:58,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 227.53571428571428) internal successors, (6371), 28 states have internal predecessors, (6371), 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) [2021-11-19 05:18:58,103 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 05:18:58,104 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:18:58,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 05:18:58,106 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:18:58,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:18:58,107 INFO L85 PathProgramCache]: Analyzing trace with hash -818577027, now seen corresponding path program 3 times [2021-11-19 05:18:58,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:18:58,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536896826] [2021-11-19 05:18:58,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:18:58,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:18:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:18:59,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:18:59,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:18:59,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536896826] [2021-11-19 05:18:59,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536896826] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:18:59,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:18:59,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-19 05:18:59,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465830798] [2021-11-19 05:18:59,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:18:59,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-19 05:18:59,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:18:59,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-19 05:18:59,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-11-19 05:18:59,199 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 340 [2021-11-19 05:18:59,206 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 339 transitions, 981 flow. Second operand has 28 states, 28 states have (on average 227.53571428571428) internal successors, (6371), 28 states have internal predecessors, (6371), 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) [2021-11-19 05:18:59,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 05:18:59,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 340 [2021-11-19 05:18:59,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 05:19:06,672 INFO L129 PetriNetUnfolder]: 6105/23181 cut-off events. [2021-11-19 05:19:06,672 INFO L130 PetriNetUnfolder]: For 7305/7319 co-relation queries the response was YES. [2021-11-19 05:19:06,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38265 conditions, 23181 events. 6105/23181 cut-off events. For 7305/7319 co-relation queries the response was YES. Maximal size of possible extension queue 830. Compared 292720 event pairs, 3408 based on Foata normal form. 8/20159 useless extension candidates. Maximal degree in co-relation 38232. Up to 1870 conditions per place. [2021-11-19 05:19:07,221 INFO L132 encePairwiseOnDemand]: 300/340 looper letters, 277 selfloop transitions, 45 changer transitions 12/546 dead transitions. [2021-11-19 05:19:07,221 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 431 places, 546 transitions, 2270 flow [2021-11-19 05:19:07,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-19 05:19:07,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-11-19 05:19:07,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 10232 transitions. [2021-11-19 05:19:07,238 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6839572192513369 [2021-11-19 05:19:07,239 INFO L72 ComplementDD]: Start complementDD. Operand 44 states and 10232 transitions. [2021-11-19 05:19:07,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 10232 transitions. [2021-11-19 05:19:07,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:19:07,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 44 states and 10232 transitions. [2021-11-19 05:19:07,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 45 states, 44 states have (on average 232.54545454545453) internal successors, (10232), 44 states have internal predecessors, (10232), 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) [2021-11-19 05:19:07,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 45 states, 45 states have (on average 340.0) internal successors, (15300), 45 states have internal predecessors, (15300), 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) [2021-11-19 05:19:07,298 INFO L81 ComplementDD]: Finished complementDD. Result has 45 states, 45 states have (on average 340.0) internal successors, (15300), 45 states have internal predecessors, (15300), 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) [2021-11-19 05:19:07,298 INFO L186 Difference]: Start difference. First operand has 394 places, 339 transitions, 981 flow. Second operand 44 states and 10232 transitions. [2021-11-19 05:19:07,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 431 places, 546 transitions, 2270 flow [2021-11-19 05:19:07,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 546 transitions, 2086 flow, removed 52 selfloop flow, removed 39 redundant places. [2021-11-19 05:19:07,351 INFO L242 Difference]: Finished difference. Result has 401 places, 342 transitions, 1028 flow [2021-11-19 05:19:07,351 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=887, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=44, PETRI_FLOW=1028, PETRI_PLACES=401, PETRI_TRANSITIONS=342} [2021-11-19 05:19:07,352 INFO L334 CegarLoopForPetriNet]: 301 programPoint places, 100 predicate places. [2021-11-19 05:19:07,352 INFO L470 AbstractCegarLoop]: Abstraction has has 401 places, 342 transitions, 1028 flow [2021-11-19 05:19:07,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 227.53571428571428) internal successors, (6371), 28 states have internal predecessors, (6371), 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) [2021-11-19 05:19:07,355 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 05:19:07,355 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:07,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 05:19:07,355 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:19:07,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:07,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1492902743, now seen corresponding path program 4 times [2021-11-19 05:19:07,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:07,356 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681611813] [2021-11-19 05:19:07,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:07,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:08,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:08,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:08,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681611813] [2021-11-19 05:19:08,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681611813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:08,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:08,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-19 05:19:08,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549066508] [2021-11-19 05:19:08,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:08,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-19 05:19:08,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:08,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-19 05:19:08,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2021-11-19 05:19:08,346 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 340 [2021-11-19 05:19:08,353 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 401 places, 342 transitions, 1028 flow. Second operand has 28 states, 28 states have (on average 227.53571428571428) internal successors, (6371), 28 states have internal predecessors, (6371), 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) [2021-11-19 05:19:08,354 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 05:19:08,354 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 340 [2021-11-19 05:19:08,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 05:19:15,349 INFO L129 PetriNetUnfolder]: 6062/22226 cut-off events. [2021-11-19 05:19:15,350 INFO L130 PetriNetUnfolder]: For 8887/8921 co-relation queries the response was YES. [2021-11-19 05:19:15,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37505 conditions, 22226 events. 6062/22226 cut-off events. For 8887/8921 co-relation queries the response was YES. Maximal size of possible extension queue 822. Compared 275877 event pairs, 3342 based on Foata normal form. 25/19264 useless extension candidates. Maximal degree in co-relation 37469. Up to 1588 conditions per place. [2021-11-19 05:19:15,661 INFO L132 encePairwiseOnDemand]: 301/340 looper letters, 277 selfloop transitions, 45 changer transitions 12/546 dead transitions. [2021-11-19 05:19:15,661 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 546 transitions, 2299 flow [2021-11-19 05:19:15,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-19 05:19:15,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-11-19 05:19:15,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 10007 transitions. [2021-11-19 05:19:15,684 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6844733242134063 [2021-11-19 05:19:15,684 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 10007 transitions. [2021-11-19 05:19:15,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 10007 transitions. [2021-11-19 05:19:15,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:19:15,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 10007 transitions. [2021-11-19 05:19:15,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 232.72093023255815) internal successors, (10007), 43 states have internal predecessors, (10007), 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) [2021-11-19 05:19:15,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 340.0) internal successors, (14960), 44 states have internal predecessors, (14960), 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) [2021-11-19 05:19:15,747 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 340.0) internal successors, (14960), 44 states have internal predecessors, (14960), 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) [2021-11-19 05:19:15,747 INFO L186 Difference]: Start difference. First operand has 401 places, 342 transitions, 1028 flow. Second operand 43 states and 10007 transitions. [2021-11-19 05:19:15,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 546 transitions, 2299 flow [2021-11-19 05:19:15,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 546 transitions, 2125 flow, removed 47 selfloop flow, removed 39 redundant places. [2021-11-19 05:19:15,801 INFO L242 Difference]: Finished difference. Result has 406 places, 343 transitions, 1058 flow [2021-11-19 05:19:15,802 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=936, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=1058, PETRI_PLACES=406, PETRI_TRANSITIONS=343} [2021-11-19 05:19:15,804 INFO L334 CegarLoopForPetriNet]: 301 programPoint places, 105 predicate places. [2021-11-19 05:19:15,805 INFO L470 AbstractCegarLoop]: Abstraction has has 406 places, 343 transitions, 1058 flow [2021-11-19 05:19:15,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 227.53571428571428) internal successors, (6371), 28 states have internal predecessors, (6371), 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) [2021-11-19 05:19:15,808 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 05:19:15,808 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:15,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 05:19:15,809 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:19:15,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:15,809 INFO L85 PathProgramCache]: Analyzing trace with hash -480230501, now seen corresponding path program 1 times [2021-11-19 05:19:15,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:15,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849311174] [2021-11-19 05:19:15,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:15,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:15,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:15,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:15,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849311174] [2021-11-19 05:19:15,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849311174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:15,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:15,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:19:15,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224769344] [2021-11-19 05:19:15,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:15,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:19:15,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:15,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:19:15,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:19:15,872 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 340 [2021-11-19 05:19:15,874 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 343 transitions, 1058 flow. Second operand has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2021-11-19 05:19:15,874 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 05:19:15,874 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 340 [2021-11-19 05:19:15,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 05:19:19,409 INFO L129 PetriNetUnfolder]: 3146/20789 cut-off events. [2021-11-19 05:19:19,409 INFO L130 PetriNetUnfolder]: For 3679/3902 co-relation queries the response was YES. [2021-11-19 05:19:19,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28570 conditions, 20789 events. 3146/20789 cut-off events. For 3679/3902 co-relation queries the response was YES. Maximal size of possible extension queue 802. Compared 285643 event pairs, 1232 based on Foata normal form. 21/18108 useless extension candidates. Maximal degree in co-relation 28532. Up to 1684 conditions per place. [2021-11-19 05:19:19,661 INFO L132 encePairwiseOnDemand]: 332/340 looper letters, 54 selfloop transitions, 9 changer transitions 0/382 dead transitions. [2021-11-19 05:19:19,661 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 382 transitions, 1275 flow [2021-11-19 05:19:19,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:19:19,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-19 05:19:19,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1570 transitions. [2021-11-19 05:19:19,665 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9235294117647059 [2021-11-19 05:19:19,665 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1570 transitions. [2021-11-19 05:19:19,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1570 transitions. [2021-11-19 05:19:19,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:19:19,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1570 transitions. [2021-11-19 05:19:19,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 314.0) internal successors, (1570), 5 states have internal predecessors, (1570), 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) [2021-11-19 05:19:19,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 340.0) internal successors, (2040), 6 states have internal predecessors, (2040), 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) [2021-11-19 05:19:19,673 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 340.0) internal successors, (2040), 6 states have internal predecessors, (2040), 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) [2021-11-19 05:19:19,673 INFO L186 Difference]: Start difference. First operand has 406 places, 343 transitions, 1058 flow. Second operand 5 states and 1570 transitions. [2021-11-19 05:19:19,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 382 transitions, 1275 flow [2021-11-19 05:19:19,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 382 transitions, 1176 flow, removed 8 selfloop flow, removed 39 redundant places. [2021-11-19 05:19:19,768 INFO L242 Difference]: Finished difference. Result has 368 places, 352 transitions, 1026 flow [2021-11-19 05:19:19,769 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1026, PETRI_PLACES=368, PETRI_TRANSITIONS=352} [2021-11-19 05:19:19,770 INFO L334 CegarLoopForPetriNet]: 301 programPoint places, 67 predicate places. [2021-11-19 05:19:19,770 INFO L470 AbstractCegarLoop]: Abstraction has has 368 places, 352 transitions, 1026 flow [2021-11-19 05:19:19,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2021-11-19 05:19:19,771 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 05:19:19,771 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:19,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 05:19:19,771 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:19:19,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:19,772 INFO L85 PathProgramCache]: Analyzing trace with hash 870921169, now seen corresponding path program 2 times [2021-11-19 05:19:19,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:19,772 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406848669] [2021-11-19 05:19:19,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:19,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:19,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:19,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:19,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406848669] [2021-11-19 05:19:19,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406848669] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:19,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:19,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:19:19,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021609203] [2021-11-19 05:19:19,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:19,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:19:19,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:19,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:19:19,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:19:19,865 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 340 [2021-11-19 05:19:19,867 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 352 transitions, 1026 flow. Second operand has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2021-11-19 05:19:19,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 05:19:19,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 340 [2021-11-19 05:19:19,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 05:19:25,128 INFO L129 PetriNetUnfolder]: 4108/32727 cut-off events. [2021-11-19 05:19:25,128 INFO L130 PetriNetUnfolder]: For 8097/8464 co-relation queries the response was YES. [2021-11-19 05:19:25,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44025 conditions, 32727 events. 4108/32727 cut-off events. For 8097/8464 co-relation queries the response was YES. Maximal size of possible extension queue 996. Compared 495753 event pairs, 648 based on Foata normal form. 114/30777 useless extension candidates. Maximal degree in co-relation 43990. Up to 1940 conditions per place. [2021-11-19 05:19:25,485 INFO L132 encePairwiseOnDemand]: 332/340 looper letters, 55 selfloop transitions, 18 changer transitions 0/392 dead transitions. [2021-11-19 05:19:25,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 392 transitions, 1313 flow [2021-11-19 05:19:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:19:25,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-19 05:19:25,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1569 transitions. [2021-11-19 05:19:25,489 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9229411764705883 [2021-11-19 05:19:25,489 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1569 transitions. [2021-11-19 05:19:25,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1569 transitions. [2021-11-19 05:19:25,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:19:25,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1569 transitions. [2021-11-19 05:19:25,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 313.8) internal successors, (1569), 5 states have internal predecessors, (1569), 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) [2021-11-19 05:19:25,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 340.0) internal successors, (2040), 6 states have internal predecessors, (2040), 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) [2021-11-19 05:19:25,496 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 340.0) internal successors, (2040), 6 states have internal predecessors, (2040), 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) [2021-11-19 05:19:25,496 INFO L186 Difference]: Start difference. First operand has 368 places, 352 transitions, 1026 flow. Second operand 5 states and 1569 transitions. [2021-11-19 05:19:25,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 392 transitions, 1313 flow [2021-11-19 05:19:25,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 392 transitions, 1313 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-19 05:19:25,561 INFO L242 Difference]: Finished difference. Result has 376 places, 366 transitions, 1185 flow [2021-11-19 05:19:25,562 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=1026, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1185, PETRI_PLACES=376, PETRI_TRANSITIONS=366} [2021-11-19 05:19:25,563 INFO L334 CegarLoopForPetriNet]: 301 programPoint places, 75 predicate places. [2021-11-19 05:19:25,563 INFO L470 AbstractCegarLoop]: Abstraction has has 376 places, 366 transitions, 1185 flow [2021-11-19 05:19:25,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2021-11-19 05:19:25,564 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 05:19:25,564 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:25,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-19 05:19:25,564 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:19:25,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:25,565 INFO L85 PathProgramCache]: Analyzing trace with hash 919275467, now seen corresponding path program 3 times [2021-11-19 05:19:25,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:25,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215306942] [2021-11-19 05:19:25,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:25,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:25,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:25,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:25,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215306942] [2021-11-19 05:19:25,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215306942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:25,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:25,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:19:25,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896940090] [2021-11-19 05:19:25,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:25,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:19:25,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:25,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:19:25,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:19:25,615 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 340 [2021-11-19 05:19:25,617 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 366 transitions, 1185 flow. Second operand has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2021-11-19 05:19:25,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 05:19:25,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 340 [2021-11-19 05:19:25,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 05:19:30,085 INFO L129 PetriNetUnfolder]: 3486/26942 cut-off events. [2021-11-19 05:19:30,086 INFO L130 PetriNetUnfolder]: For 13092/13544 co-relation queries the response was YES. [2021-11-19 05:19:30,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40166 conditions, 26942 events. 3486/26942 cut-off events. For 13092/13544 co-relation queries the response was YES. Maximal size of possible extension queue 920. Compared 399390 event pairs, 1186 based on Foata normal form. 41/25299 useless extension candidates. Maximal degree in co-relation 40127. Up to 2430 conditions per place. [2021-11-19 05:19:30,473 INFO L132 encePairwiseOnDemand]: 335/340 looper letters, 62 selfloop transitions, 7 changer transitions 0/388 dead transitions. [2021-11-19 05:19:30,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 388 transitions, 1434 flow [2021-11-19 05:19:30,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:19:30,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-19 05:19:30,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1247 transitions. [2021-11-19 05:19:30,476 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9169117647058823 [2021-11-19 05:19:30,476 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1247 transitions. [2021-11-19 05:19:30,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1247 transitions. [2021-11-19 05:19:30,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:19:30,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1247 transitions. [2021-11-19 05:19:30,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 311.75) internal successors, (1247), 4 states have internal predecessors, (1247), 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) [2021-11-19 05:19:30,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 340.0) internal successors, (1700), 5 states have internal predecessors, (1700), 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) [2021-11-19 05:19:30,482 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 340.0) internal successors, (1700), 5 states have internal predecessors, (1700), 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) [2021-11-19 05:19:30,482 INFO L186 Difference]: Start difference. First operand has 376 places, 366 transitions, 1185 flow. Second operand 4 states and 1247 transitions. [2021-11-19 05:19:30,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 388 transitions, 1434 flow [2021-11-19 05:19:30,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 388 transitions, 1426 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-11-19 05:19:30,639 INFO L242 Difference]: Finished difference. Result has 381 places, 368 transitions, 1224 flow [2021-11-19 05:19:30,640 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=1181, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1224, PETRI_PLACES=381, PETRI_TRANSITIONS=368} [2021-11-19 05:19:30,641 INFO L334 CegarLoopForPetriNet]: 301 programPoint places, 80 predicate places. [2021-11-19 05:19:30,641 INFO L470 AbstractCegarLoop]: Abstraction has has 381 places, 368 transitions, 1224 flow [2021-11-19 05:19:30,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2021-11-19 05:19:30,642 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 05:19:30,642 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:30,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-19 05:19:30,642 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:19:30,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:30,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1337964803, now seen corresponding path program 1 times [2021-11-19 05:19:30,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:30,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879926385] [2021-11-19 05:19:30,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:30,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:30,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:30,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:30,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879926385] [2021-11-19 05:19:30,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879926385] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:30,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:30,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 05:19:30,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98724856] [2021-11-19 05:19:30,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:30,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:19:30,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:30,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:19:30,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:19:30,968 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 340 [2021-11-19 05:19:30,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 368 transitions, 1224 flow. Second operand has 6 states, 6 states have (on average 279.0) internal successors, (1674), 6 states have internal predecessors, (1674), 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) [2021-11-19 05:19:30,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 05:19:30,970 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 340 [2021-11-19 05:19:30,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 05:19:33,911 INFO L129 PetriNetUnfolder]: 1090/15683 cut-off events. [2021-11-19 05:19:33,911 INFO L130 PetriNetUnfolder]: For 7201/9091 co-relation queries the response was YES. [2021-11-19 05:19:34,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24041 conditions, 15683 events. 1090/15683 cut-off events. For 7201/9091 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 223498 event pairs, 137 based on Foata normal form. 209/14924 useless extension candidates. Maximal degree in co-relation 23999. Up to 3761 conditions per place. [2021-11-19 05:19:34,098 INFO L132 encePairwiseOnDemand]: 334/340 looper letters, 62 selfloop transitions, 3 changer transitions 8/382 dead transitions. [2021-11-19 05:19:34,098 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 382 transitions, 1405 flow [2021-11-19 05:19:34,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:19:34,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-19 05:19:34,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1964 transitions. [2021-11-19 05:19:34,101 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8252100840336134 [2021-11-19 05:19:34,101 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1964 transitions. [2021-11-19 05:19:34,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1964 transitions. [2021-11-19 05:19:34,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:19:34,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1964 transitions. [2021-11-19 05:19:34,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 280.57142857142856) internal successors, (1964), 7 states have internal predecessors, (1964), 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) [2021-11-19 05:19:34,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 340.0) internal successors, (2720), 8 states have internal predecessors, (2720), 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) [2021-11-19 05:19:34,109 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 340.0) internal successors, (2720), 8 states have internal predecessors, (2720), 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) [2021-11-19 05:19:34,109 INFO L186 Difference]: Start difference. First operand has 381 places, 368 transitions, 1224 flow. Second operand 7 states and 1964 transitions. [2021-11-19 05:19:34,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 382 transitions, 1405 flow [2021-11-19 05:19:34,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 382 transitions, 1400 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-19 05:19:34,143 INFO L242 Difference]: Finished difference. Result has 391 places, 369 transitions, 1234 flow [2021-11-19 05:19:34,144 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=1219, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1234, PETRI_PLACES=391, PETRI_TRANSITIONS=369} [2021-11-19 05:19:34,145 INFO L334 CegarLoopForPetriNet]: 301 programPoint places, 90 predicate places. [2021-11-19 05:19:34,146 INFO L470 AbstractCegarLoop]: Abstraction has has 391 places, 369 transitions, 1234 flow [2021-11-19 05:19:34,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 279.0) internal successors, (1674), 6 states have internal predecessors, (1674), 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) [2021-11-19 05:19:34,146 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 05:19:34,147 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:34,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-19 05:19:34,147 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:19:34,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:34,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1329140217, now seen corresponding path program 1 times [2021-11-19 05:19:34,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:34,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650417064] [2021-11-19 05:19:34,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:34,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:34,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:34,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650417064] [2021-11-19 05:19:34,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650417064] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:34,231 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:34,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 05:19:34,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464986807] [2021-11-19 05:19:34,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:34,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:19:34,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:34,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:19:34,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:19:34,235 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 272 out of 340 [2021-11-19 05:19:34,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 369 transitions, 1234 flow. Second operand has 6 states, 6 states have (on average 279.0) internal successors, (1674), 6 states have internal predecessors, (1674), 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) [2021-11-19 05:19:34,238 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 05:19:34,238 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 272 of 340 [2021-11-19 05:19:34,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-19 05:19:37,333 INFO L129 PetriNetUnfolder]: 1053/14410 cut-off events. [2021-11-19 05:19:37,333 INFO L130 PetriNetUnfolder]: For 7046/8892 co-relation queries the response was YES. [2021-11-19 05:19:37,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23102 conditions, 14410 events. 1053/14410 cut-off events. For 7046/8892 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 202769 event pairs, 201 based on Foata normal form. 208/13613 useless extension candidates. Maximal degree in co-relation 23055. Up to 3024 conditions per place. [2021-11-19 05:19:37,519 INFO L132 encePairwiseOnDemand]: 334/340 looper letters, 65 selfloop transitions, 3 changer transitions 4/381 dead transitions. [2021-11-19 05:19:37,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 381 transitions, 1415 flow [2021-11-19 05:19:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:19:37,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-11-19 05:19:37,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1964 transitions. [2021-11-19 05:19:37,522 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8252100840336134 [2021-11-19 05:19:37,522 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1964 transitions. [2021-11-19 05:19:37,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1964 transitions. [2021-11-19 05:19:37,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:19:37,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1964 transitions. [2021-11-19 05:19:37,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 280.57142857142856) internal successors, (1964), 7 states have internal predecessors, (1964), 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) [2021-11-19 05:19:37,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 340.0) internal successors, (2720), 8 states have internal predecessors, (2720), 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) [2021-11-19 05:19:37,530 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 340.0) internal successors, (2720), 8 states have internal predecessors, (2720), 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) [2021-11-19 05:19:37,530 INFO L186 Difference]: Start difference. First operand has 391 places, 369 transitions, 1234 flow. Second operand 7 states and 1964 transitions. [2021-11-19 05:19:37,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 381 transitions, 1415 flow [2021-11-19 05:19:37,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 381 transitions, 1408 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-11-19 05:19:37,606 INFO L242 Difference]: Finished difference. Result has 395 places, 369 transitions, 1242 flow [2021-11-19 05:19:37,607 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=1229, PETRI_DIFFERENCE_MINUEND_PLACES=386, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1242, PETRI_PLACES=395, PETRI_TRANSITIONS=369} [2021-11-19 05:19:37,607 INFO L334 CegarLoopForPetriNet]: 301 programPoint places, 94 predicate places. [2021-11-19 05:19:37,608 INFO L470 AbstractCegarLoop]: Abstraction has has 395 places, 369 transitions, 1242 flow [2021-11-19 05:19:37,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 279.0) internal successors, (1674), 6 states have internal predecessors, (1674), 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) [2021-11-19 05:19:37,608 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-19 05:19:37,609 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:19:37,609 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-19 05:19:37,609 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-19 05:19:37,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:19:37,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1430454997, now seen corresponding path program 4 times [2021-11-19 05:19:37,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:19:37,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699390809] [2021-11-19 05:19:37,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:19:37,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:19:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:19:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:19:37,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:19:37,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699390809] [2021-11-19 05:19:37,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699390809] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:19:37,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:19:37,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:19:37,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230103782] [2021-11-19 05:19:37,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:19:37,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:19:37,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:19:37,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:19:37,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:19:37,672 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 301 out of 340 [2021-11-19 05:19:37,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 369 transitions, 1242 flow. Second operand has 4 states, 4 states have (on average 305.0) internal successors, (1220), 4 states have internal predecessors, (1220), 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) [2021-11-19 05:19:37,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-19 05:19:37,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 301 of 340 [2021-11-19 05:19:37,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand