./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 03:01:04,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 03:01:04,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 03:01:04,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 03:01:04,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 03:01:04,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 03:01:04,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 03:01:04,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 03:01:04,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 03:01:04,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 03:01:04,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 03:01:04,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 03:01:04,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 03:01:04,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 03:01:04,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 03:01:04,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 03:01:04,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 03:01:04,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 03:01:04,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 03:01:04,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 03:01:04,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 03:01:04,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 03:01:04,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 03:01:04,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 03:01:04,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 03:01:04,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 03:01:04,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 03:01:04,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 03:01:04,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 03:01:04,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 03:01:04,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 03:01:04,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 03:01:04,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 03:01:04,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 03:01:04,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 03:01:04,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 03:01:04,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 03:01:04,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 03:01:04,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 03:01:04,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 03:01:04,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 03:01:04,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-16 03:01:04,554 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 03:01:04,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 03:01:04,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 03:01:04,555 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 03:01:04,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 03:01:04,556 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 03:01:04,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 03:01:04,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 03:01:04,557 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 03:01:04,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 03:01:04,558 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 03:01:04,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 03:01:04,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 03:01:04,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 03:01:04,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 03:01:04,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 03:01:04,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 03:01:04,559 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 03:01:04,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 03:01:04,559 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 03:01:04,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 03:01:04,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 03:01:04,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 03:01:04,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 03:01:04,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:01:04,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 03:01:04,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 03:01:04,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 03:01:04,561 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 03:01:04,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 03:01:04,561 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 03:01:04,561 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 03:01:04,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 03:01:04,562 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 03:01:04,562 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7850c8f92b7e0b0b866687e8f3ea719169cacbc5985a977f15b280bf9bb53b5b [2021-12-16 03:01:04,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 03:01:04,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 03:01:04,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 03:01:04,809 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 03:01:04,810 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 03:01:04,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c [2021-12-16 03:01:04,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/628721c4f/058a0327ac9d4b8eb7e63f4043d532cb/FLAG0ea41ae6b [2021-12-16 03:01:05,211 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 03:01:05,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c [2021-12-16 03:01:05,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/628721c4f/058a0327ac9d4b8eb7e63f4043d532cb/FLAG0ea41ae6b [2021-12-16 03:01:05,225 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/628721c4f/058a0327ac9d4b8eb7e63f4043d532cb [2021-12-16 03:01:05,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 03:01:05,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 03:01:05,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 03:01:05,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 03:01:05,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 03:01:05,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:01:05" (1/1) ... [2021-12-16 03:01:05,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a50730b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:05, skipping insertion in model container [2021-12-16 03:01:05,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:01:05" (1/1) ... [2021-12-16 03:01:05,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 03:01:05,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:01:05,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c[2817,2830] [2021-12-16 03:01:05,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:01:05,413 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 03:01:05,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-file-item-trans.wvr.c[2817,2830] [2021-12-16 03:01:05,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:01:05,449 INFO L208 MainTranslator]: Completed translation [2021-12-16 03:01:05,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:05 WrapperNode [2021-12-16 03:01:05,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 03:01:05,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 03:01:05,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 03:01:05,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 03:01:05,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:05" (1/1) ... [2021-12-16 03:01:05,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:05" (1/1) ... [2021-12-16 03:01:05,506 INFO L137 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 217 [2021-12-16 03:01:05,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 03:01:05,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 03:01:05,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 03:01:05,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 03:01:05,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:05" (1/1) ... [2021-12-16 03:01:05,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:05" (1/1) ... [2021-12-16 03:01:05,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:05" (1/1) ... [2021-12-16 03:01:05,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:05" (1/1) ... [2021-12-16 03:01:05,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:05" (1/1) ... [2021-12-16 03:01:05,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:05" (1/1) ... [2021-12-16 03:01:05,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:05" (1/1) ... [2021-12-16 03:01:05,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 03:01:05,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 03:01:05,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 03:01:05,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 03:01:05,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:05" (1/1) ... [2021-12-16 03:01:05,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:01:05,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:01:05,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 03:01:05,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 03:01:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 03:01:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-12-16 03:01:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-12-16 03:01:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-12-16 03:01:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-12-16 03:01:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-12-16 03:01:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-12-16 03:01:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 03:01:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 03:01:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 03:01:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 03:01:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 03:01:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 03:01:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 03:01:05,674 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-16 03:01:05,784 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 03:01:05,788 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 03:01:06,081 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 03:01:06,103 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 03:01:06,103 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 03:01:06,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:01:06 BoogieIcfgContainer [2021-12-16 03:01:06,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 03:01:06,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 03:01:06,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 03:01:06,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 03:01:06,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:01:05" (1/3) ... [2021-12-16 03:01:06,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547a0e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:01:06, skipping insertion in model container [2021-12-16 03:01:06,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:01:05" (2/3) ... [2021-12-16 03:01:06,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547a0e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:01:06, skipping insertion in model container [2021-12-16 03:01:06,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:01:06" (3/3) ... [2021-12-16 03:01:06,126 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-file-item-trans.wvr.c [2021-12-16 03:01:06,130 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-16 03:01:06,131 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 03:01:06,131 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 03:01:06,131 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-16 03:01:06,194 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,195 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,196 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,197 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,198 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,202 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,203 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,204 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,205 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,206 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,206 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,206 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,206 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,206 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,207 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,208 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,226 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,227 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,228 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,228 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,228 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,228 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,229 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,229 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,229 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,230 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,231 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,232 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,233 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,233 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,233 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,233 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,234 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,234 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,235 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,236 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,236 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,236 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,237 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,238 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,238 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,239 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,240 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,240 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,240 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,240 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,240 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,240 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,241 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,241 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,241 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,241 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,241 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,241 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,241 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,241 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,242 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,242 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,242 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,242 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,243 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,243 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,243 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,244 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,244 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,244 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,244 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,244 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,245 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,245 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,245 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,245 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,245 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,245 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,245 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,246 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,246 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,246 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,246 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,246 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,247 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,247 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,247 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,247 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,247 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,247 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,247 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,248 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,248 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,249 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,250 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,251 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,252 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,253 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,254 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,255 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,256 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,257 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,258 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,259 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,259 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,259 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,259 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,259 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,262 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,263 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,268 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,268 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,268 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,269 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,279 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,280 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,285 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,290 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,290 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,290 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,290 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,290 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,290 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,290 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,290 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,292 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,292 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,292 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,292 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,292 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,292 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,292 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,293 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,294 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,294 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,294 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,294 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,296 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,297 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,297 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,297 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,297 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,298 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ret10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,302 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,320 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ret17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,321 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,322 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,323 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,323 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,323 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,323 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,323 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ret3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,323 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,323 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,323 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,323 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,324 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,324 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,324 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,324 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,324 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,324 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-16 03:01:06,326 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-12-16 03:01:06,355 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 03:01:06,361 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 [2021-12-16 03:01:06,361 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-16 03:01:06,372 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 263 places, 278 transitions, 580 flow [2021-12-16 03:01:06,459 INFO L129 PetriNetUnfolder]: 25/275 cut-off events. [2021-12-16 03:01:06,459 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-16 03:01:06,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 275 events. 25/275 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 746 event pairs, 0 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 199. Up to 2 conditions per place. [2021-12-16 03:01:06,481 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 278 transitions, 580 flow [2021-12-16 03:01:06,513 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 249 places, 264 transitions, 546 flow [2021-12-16 03:01:06,599 INFO L129 PetriNetUnfolder]: 25/263 cut-off events. [2021-12-16 03:01:06,614 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-12-16 03:01:06,614 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:06,615 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] [2021-12-16 03:01:06,615 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:06,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:06,629 INFO L85 PathProgramCache]: Analyzing trace with hash -802081389, now seen corresponding path program 1 times [2021-12-16 03:01:06,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:06,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991015548] [2021-12-16 03:01:06,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:06,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:07,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:07,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:07,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991015548] [2021-12-16 03:01:07,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991015548] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:07,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:07,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:01:07,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208871170] [2021-12-16 03:01:07,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:07,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:01:07,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:07,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:01:07,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:01:07,164 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-12-16 03:01:07,170 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 264 transitions, 546 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-16 03:01:07,170 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:07,171 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-12-16 03:01:07,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:07,415 INFO L129 PetriNetUnfolder]: 113/997 cut-off events. [2021-12-16 03:01:07,416 INFO L130 PetriNetUnfolder]: For 121/121 co-relation queries the response was YES. [2021-12-16 03:01:07,425 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1175 conditions, 997 events. 113/997 cut-off events. For 121/121 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 6897 event pairs, 26 based on Foata normal form. 55/939 useless extension candidates. Maximal degree in co-relation 963. Up to 74 conditions per place. [2021-12-16 03:01:07,430 INFO L132 encePairwiseOnDemand]: 261/278 looper letters, 18 selfloop transitions, 6 changer transitions 1/265 dead transitions. [2021-12-16 03:01:07,431 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 265 transitions, 608 flow [2021-12-16 03:01:07,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:01:07,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 03:01:07,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 800 transitions. [2021-12-16 03:01:07,445 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9592326139088729 [2021-12-16 03:01:07,446 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 800 transitions. [2021-12-16 03:01:07,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 800 transitions. [2021-12-16 03:01:07,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:07,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 800 transitions. [2021-12-16 03:01:07,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 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) [2021-12-16 03:01:07,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:07,480 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:07,481 INFO L186 Difference]: Start difference. First operand has 249 places, 264 transitions, 546 flow. Second operand 3 states and 800 transitions. [2021-12-16 03:01:07,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 265 transitions, 608 flow [2021-12-16 03:01:07,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 265 transitions, 588 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-12-16 03:01:07,489 INFO L242 Difference]: Finished difference. Result has 247 places, 260 transitions, 566 flow [2021-12-16 03:01:07,490 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=251, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=566, PETRI_PLACES=247, PETRI_TRANSITIONS=260} [2021-12-16 03:01:07,493 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, -2 predicate places. [2021-12-16 03:01:07,493 INFO L470 AbstractCegarLoop]: Abstraction has has 247 places, 260 transitions, 566 flow [2021-12-16 03:01:07,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-16 03:01:07,493 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:07,494 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] [2021-12-16 03:01:07,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 03:01:07,494 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:07,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:07,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1464503203, now seen corresponding path program 1 times [2021-12-16 03:01:07,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:07,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712174895] [2021-12-16 03:01:07,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:07,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:07,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:07,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:07,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712174895] [2021-12-16 03:01:07,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712174895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:07,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:07,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:01:07,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525589001] [2021-12-16 03:01:07,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:07,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:01:07,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:07,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:01:07,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:01:07,569 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-12-16 03:01:07,569 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 260 transitions, 566 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-16 03:01:07,570 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:07,570 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-12-16 03:01:07,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:07,856 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([843] thread3EXIT-->L80-2: Formula: (and (= v_thread3Thread1of1ForFork1_thidvar3_4 0) (= v_thread3Thread1of1ForFork1_thidvar2_4 0) (= v_thread3Thread1of1ForFork1_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem39#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) (= v_thread3Thread1of1ForFork1_thidvar1_4 0)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][257], [17#L80-2true, 268#(= ~isNull_6~0 (* 256 (div ~isNull_6~0 256))), 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), Black: 266#true]) [2021-12-16 03:01:07,856 INFO L384 tUnfolder$Statistics]: this new event has 116 ancestors and is not cut-off event [2021-12-16 03:01:07,856 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is not cut-off event [2021-12-16 03:01:07,857 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is not cut-off event [2021-12-16 03:01:07,857 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is not cut-off event [2021-12-16 03:01:07,858 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([843] thread3EXIT-->L80-2: Formula: (and (= v_thread3Thread1of1ForFork1_thidvar3_4 0) (= v_thread3Thread1of1ForFork1_thidvar2_4 0) (= v_thread3Thread1of1ForFork1_thidvar0_4 (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem39#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296))))) (= v_thread3Thread1of1ForFork1_thidvar1_4 0)) InVars {thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, ULTIMATE.start_main_#t~mem39#1=|v_ULTIMATE.start_main_#t~mem39#1_5|, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][257], [17#L80-2true, 268#(= ~isNull_6~0 (* 256 (div ~isNull_6~0 256))), 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), Black: 266#true]) [2021-12-16 03:01:07,858 INFO L384 tUnfolder$Statistics]: this new event has 120 ancestors and is cut-off event [2021-12-16 03:01:07,858 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-16 03:01:07,858 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-16 03:01:07,858 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-16 03:01:07,858 INFO L387 tUnfolder$Statistics]: existing Event has 116 ancestors and is cut-off event [2021-12-16 03:01:07,865 INFO L129 PetriNetUnfolder]: 173/2319 cut-off events. [2021-12-16 03:01:07,865 INFO L130 PetriNetUnfolder]: For 75/75 co-relation queries the response was YES. [2021-12-16 03:01:07,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2551 conditions, 2319 events. 173/2319 cut-off events. For 75/75 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 21879 event pairs, 25 based on Foata normal form. 0/2095 useless extension candidates. Maximal degree in co-relation 1196. Up to 72 conditions per place. [2021-12-16 03:01:07,888 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 15 selfloop transitions, 4 changer transitions 0/267 dead transitions. [2021-12-16 03:01:07,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 267 transitions, 623 flow [2021-12-16 03:01:07,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:01:07,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 03:01:07,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-12-16 03:01:07,891 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-12-16 03:01:07,891 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-12-16 03:01:07,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-12-16 03:01:07,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:07,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-12-16 03:01:07,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2021-12-16 03:01:07,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:07,896 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:07,896 INFO L186 Difference]: Start difference. First operand has 247 places, 260 transitions, 566 flow. Second operand 3 states and 795 transitions. [2021-12-16 03:01:07,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 267 transitions, 623 flow [2021-12-16 03:01:07,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 267 transitions, 611 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-16 03:01:07,907 INFO L242 Difference]: Finished difference. Result has 248 places, 262 transitions, 582 flow [2021-12-16 03:01:07,908 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=260, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=248, PETRI_TRANSITIONS=262} [2021-12-16 03:01:07,908 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, -1 predicate places. [2021-12-16 03:01:07,909 INFO L470 AbstractCegarLoop]: Abstraction has has 248 places, 262 transitions, 582 flow [2021-12-16 03:01:07,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-16 03:01:07,909 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:07,910 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] [2021-12-16 03:01:07,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 03:01:07,910 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:07,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:07,911 INFO L85 PathProgramCache]: Analyzing trace with hash 584730219, now seen corresponding path program 1 times [2021-12-16 03:01:07,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:07,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102119571] [2021-12-16 03:01:07,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:07,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:08,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:08,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:08,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102119571] [2021-12-16 03:01:08,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102119571] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:08,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:08,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 03:01:08,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078810594] [2021-12-16 03:01:08,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:08,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:01:08,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:08,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:01:08,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 03:01:08,054 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 278 [2021-12-16 03:01:08,055 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 262 transitions, 582 flow. Second operand has 7 states, 7 states have (on average 249.85714285714286) internal successors, (1749), 7 states have internal predecessors, (1749), 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) [2021-12-16 03:01:08,055 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:08,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 278 [2021-12-16 03:01:08,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:08,288 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-16 03:01:08,288 INFO L384 tUnfolder$Statistics]: this new event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,288 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,288 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,288 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,291 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-16 03:01:08,291 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-12-16 03:01:08,291 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,291 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,291 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,291 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,292 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-16 03:01:08,292 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-16 03:01:08,292 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-16 03:01:08,292 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-16 03:01:08,292 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-16 03:01:08,295 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-16 03:01:08,295 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-12-16 03:01:08,295 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,295 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,295 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,295 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,295 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-16 03:01:08,295 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, Black: 266#true, 94#L44-30true]) [2021-12-16 03:01:08,295 INFO L384 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,295 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,296 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-16 03:01:08,296 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-16 03:01:08,302 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-16 03:01:08,302 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-16 03:01:08,302 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-16 03:01:08,302 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-16 03:01:08,302 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-16 03:01:08,302 INFO L387 tUnfolder$Statistics]: existing Event has 77 ancestors and is cut-off event [2021-12-16 03:01:08,302 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-16 03:01:08,302 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-12-16 03:01:08,302 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-16 03:01:08,302 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,302 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,302 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,302 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,302 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-16 03:01:08,303 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, Black: 266#true, 94#L44-30true]) [2021-12-16 03:01:08,303 INFO L384 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,303 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,303 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-16 03:01:08,303 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-16 03:01:08,303 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,305 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-16 03:01:08,305 INFO L384 tUnfolder$Statistics]: this new event has 82 ancestors and is cut-off event [2021-12-16 03:01:08,305 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-16 03:01:08,305 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-16 03:01:08,305 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,305 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,305 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,305 INFO L387 tUnfolder$Statistics]: existing Event has 78 ancestors and is cut-off event [2021-12-16 03:01:08,305 INFO L387 tUnfolder$Statistics]: existing Event has 82 ancestors and is cut-off event [2021-12-16 03:01:08,305 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, Black: 266#true, 94#L44-30true]) [2021-12-16 03:01:08,305 INFO L384 tUnfolder$Statistics]: this new event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,306 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,306 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-16 03:01:08,306 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-16 03:01:08,306 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,306 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,307 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-16 03:01:08,307 INFO L384 tUnfolder$Statistics]: this new event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,307 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,307 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,307 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,314 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, 94#L44-30true, Black: 266#true]) [2021-12-16 03:01:08,314 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2021-12-16 03:01:08,314 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,314 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,314 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-16 03:01:08,314 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-16 03:01:08,314 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,315 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,315 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [278#true, 69#L56-30true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 237#L50-30true, 94#L44-30true, Black: 266#true]) [2021-12-16 03:01:08,315 INFO L384 tUnfolder$Statistics]: this new event has 79 ancestors and is cut-off event [2021-12-16 03:01:08,315 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,315 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,315 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-16 03:01:08,315 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-16 03:01:08,315 INFO L387 tUnfolder$Statistics]: existing Event has 79 ancestors and is cut-off event [2021-12-16 03:01:08,315 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,315 INFO L387 tUnfolder$Statistics]: existing Event has 83 ancestors and is cut-off event [2021-12-16 03:01:08,316 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-16 03:01:08,317 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-12-16 03:01:08,317 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,317 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,317 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,317 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,319 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-16 03:01:08,319 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-12-16 03:01:08,319 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,319 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-16 03:01:08,319 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,319 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,319 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,328 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-16 03:01:08,329 INFO L384 tUnfolder$Statistics]: this new event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,329 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,329 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,329 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,335 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-16 03:01:08,335 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-12-16 03:01:08,335 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-16 03:01:08,335 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,335 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-16 03:01:08,335 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,335 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,335 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,336 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-16 03:01:08,336 INFO L384 tUnfolder$Statistics]: this new event has 80 ancestors and is cut-off event [2021-12-16 03:01:08,336 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-16 03:01:08,336 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,336 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-16 03:01:08,336 INFO L387 tUnfolder$Statistics]: existing Event has 80 ancestors and is cut-off event [2021-12-16 03:01:08,336 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,336 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,336 INFO L387 tUnfolder$Statistics]: existing Event has 84 ancestors and is cut-off event [2021-12-16 03:01:08,337 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-16 03:01:08,337 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-16 03:01:08,337 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,337 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,337 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,338 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,339 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, Black: 266#true, 94#L44-30true]) [2021-12-16 03:01:08,339 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-16 03:01:08,339 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,339 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,339 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,339 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,339 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-16 03:01:08,392 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-16 03:01:08,392 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-16 03:01:08,392 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,392 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,392 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,392 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-16 03:01:08,392 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,392 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-16 03:01:08,392 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 89#L77-4true, 94#L44-30true, Black: 266#true]) [2021-12-16 03:01:08,393 INFO L384 tUnfolder$Statistics]: this new event has 81 ancestors and is cut-off event [2021-12-16 03:01:08,393 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,393 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,393 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-16 03:01:08,393 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,393 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-16 03:01:08,393 INFO L387 tUnfolder$Statistics]: existing Event has 85 ancestors and is cut-off event [2021-12-16 03:01:08,393 INFO L387 tUnfolder$Statistics]: existing Event has 81 ancestors and is cut-off event [2021-12-16 03:01:08,505 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,505 INFO L384 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,505 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,505 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,505 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,510 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,510 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-12-16 03:01:08,510 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,510 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,510 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,510 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,511 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,511 INFO L384 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2021-12-16 03:01:08,511 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-16 03:01:08,511 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-16 03:01:08,511 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-16 03:01:08,512 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 3#L50-4true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,512 INFO L384 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2021-12-16 03:01:08,512 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-16 03:01:08,512 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-16 03:01:08,512 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-16 03:01:08,512 INFO L387 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2021-12-16 03:01:08,514 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,514 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-12-16 03:01:08,514 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-16 03:01:08,514 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,514 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,514 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,514 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,520 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-12-16 03:01:08,520 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,520 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,520 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,520 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,525 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-12-16 03:01:08,525 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-16 03:01:08,525 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,525 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,525 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,525 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,525 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,525 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-12-16 03:01:08,525 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-16 03:01:08,525 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-16 03:01:08,525 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,525 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,525 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,525 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,526 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 51#L50-29true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,526 INFO L384 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2021-12-16 03:01:08,526 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-16 03:01:08,526 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-16 03:01:08,526 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,526 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,526 INFO L387 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2021-12-16 03:01:08,526 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,526 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-12-16 03:01:08,527 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-12-16 03:01:08,527 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-16 03:01:08,528 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,528 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,528 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,528 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-16 03:01:08,528 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,532 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,532 INFO L384 tUnfolder$Statistics]: this new event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,532 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,532 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,532 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,536 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,536 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-12-16 03:01:08,536 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,536 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,536 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,536 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,537 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-12-16 03:01:08,537 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-16 03:01:08,537 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,537 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,537 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,537 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-16 03:01:08,537 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,537 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-16 03:01:08,537 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, 237#L50-30true, Black: 266#true]) [2021-12-16 03:01:08,537 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-12-16 03:01:08,537 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,538 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,538 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,590 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-16 03:01:08,590 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-16 03:01:08,590 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-12-16 03:01:08,590 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-12-16 03:01:08,593 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,593 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-12-16 03:01:08,593 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,593 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-16 03:01:08,593 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,593 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,593 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,599 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,599 INFO L384 tUnfolder$Statistics]: this new event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,599 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,599 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,599 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,603 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,603 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-12-16 03:01:08,603 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,603 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-16 03:01:08,603 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,603 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,603 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-16 03:01:08,603 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,604 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,604 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-12-16 03:01:08,604 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,604 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,604 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,604 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,604 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 107#L50-31true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,604 INFO L384 tUnfolder$Statistics]: this new event has 93 ancestors and is cut-off event [2021-12-16 03:01:08,604 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,604 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-16 03:01:08,604 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,604 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,604 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-16 03:01:08,604 INFO L387 tUnfolder$Statistics]: existing Event has 93 ancestors and is cut-off event [2021-12-16 03:01:08,604 INFO L387 tUnfolder$Statistics]: existing Event has 97 ancestors and is cut-off event [2021-12-16 03:01:08,606 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,607 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-12-16 03:01:08,607 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,607 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,607 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,607 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,607 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-16 03:01:08,615 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,616 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-12-16 03:01:08,616 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,616 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,616 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,616 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,616 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-16 03:01:08,616 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-16 03:01:08,616 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, 27#L50-32true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 159#L78-2true, Black: 266#true]) [2021-12-16 03:01:08,616 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-12-16 03:01:08,616 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-16 03:01:08,616 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,616 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,616 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,616 INFO L387 tUnfolder$Statistics]: existing Event has 98 ancestors and is cut-off event [2021-12-16 03:01:08,616 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-16 03:01:08,616 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-12-16 03:01:08,671 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-12-16 03:01:08,671 INFO L384 tUnfolder$Statistics]: this new event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,671 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,671 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,671 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,672 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-12-16 03:01:08,672 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-16 03:01:08,672 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,672 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,672 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,672 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,675 INFO L382 tUnfolder$Statistics]: inserting event number 6 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-12-16 03:01:08,675 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-16 03:01:08,675 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,675 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,675 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,675 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,675 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-16 03:01:08,676 INFO L382 tUnfolder$Statistics]: inserting event number 7 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-12-16 03:01:08,676 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-16 03:01:08,676 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,676 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,676 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,676 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,676 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-16 03:01:08,676 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-16 03:01:08,676 INFO L382 tUnfolder$Statistics]: inserting event number 8 for the transition-marking pair ([792] L56-29-->L56-30: Formula: (= v_~result_11~0_1 |v_thread3Thread1of1ForFork1_#t~ite21#1_5|) InVars {thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|} OutVars{thread3Thread1of1ForFork1_#t~ite21#1=|v_thread3Thread1of1ForFork1_#t~ite21#1_5|, ~result_11~0=v_~result_11~0_1} AuxVars[] AssignedVars[~result_11~0][187], [69#L56-30true, 278#true, Black: 272#true, 274#(= ~isNull_0~0 (* 256 (div ~isNull_0~0 256))), 148#L79-2true, Black: 266#true]) [2021-12-16 03:01:08,676 INFO L384 tUnfolder$Statistics]: this new event has 104 ancestors and is cut-off event [2021-12-16 03:01:08,676 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,676 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-16 03:01:08,676 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,677 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,677 INFO L387 tUnfolder$Statistics]: existing Event has 108 ancestors and is cut-off event [2021-12-16 03:01:08,677 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-16 03:01:08,677 INFO L387 tUnfolder$Statistics]: existing Event has 104 ancestors and is cut-off event [2021-12-16 03:01:08,724 INFO L129 PetriNetUnfolder]: 1007/4694 cut-off events. [2021-12-16 03:01:08,725 INFO L130 PetriNetUnfolder]: For 217/217 co-relation queries the response was YES. [2021-12-16 03:01:08,752 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6406 conditions, 4694 events. 1007/4694 cut-off events. For 217/217 co-relation queries the response was YES. Maximal size of possible extension queue 307. Compared 51165 event pairs, 316 based on Foata normal form. 4/4187 useless extension candidates. Maximal degree in co-relation 4096. Up to 1022 conditions per place. [2021-12-16 03:01:08,774 INFO L132 encePairwiseOnDemand]: 266/278 looper letters, 34 selfloop transitions, 15 changer transitions 4/293 dead transitions. [2021-12-16 03:01:08,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 293 transitions, 762 flow [2021-12-16 03:01:08,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 03:01:08,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 03:01:08,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2277 transitions. [2021-12-16 03:01:08,779 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9100719424460432 [2021-12-16 03:01:08,779 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2277 transitions. [2021-12-16 03:01:08,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2277 transitions. [2021-12-16 03:01:08,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:08,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2277 transitions. [2021-12-16 03:01:08,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 253.0) internal successors, (2277), 9 states have internal predecessors, (2277), 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) [2021-12-16 03:01:08,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-16 03:01:08,790 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-16 03:01:08,790 INFO L186 Difference]: Start difference. First operand has 248 places, 262 transitions, 582 flow. Second operand 9 states and 2277 transitions. [2021-12-16 03:01:08,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 293 transitions, 762 flow [2021-12-16 03:01:08,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 293 transitions, 754 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-16 03:01:08,795 INFO L242 Difference]: Finished difference. Result has 261 places, 274 transitions, 678 flow [2021-12-16 03:01:08,795 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=574, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=678, PETRI_PLACES=261, PETRI_TRANSITIONS=274} [2021-12-16 03:01:08,797 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 12 predicate places. [2021-12-16 03:01:08,797 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 274 transitions, 678 flow [2021-12-16 03:01:08,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 249.85714285714286) internal successors, (1749), 7 states have internal predecessors, (1749), 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) [2021-12-16 03:01:08,799 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:08,799 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] [2021-12-16 03:01:08,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 03:01:08,799 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:08,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:08,801 INFO L85 PathProgramCache]: Analyzing trace with hash 353464671, now seen corresponding path program 1 times [2021-12-16 03:01:08,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:08,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597076068] [2021-12-16 03:01:08,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:08,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:08,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:08,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:08,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597076068] [2021-12-16 03:01:08,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597076068] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:08,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:08,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:01:08,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620948643] [2021-12-16 03:01:08,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:08,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:01:08,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:08,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:01:08,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:01:08,861 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-12-16 03:01:08,862 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 274 transitions, 678 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-16 03:01:08,862 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:08,862 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-12-16 03:01:08,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:09,161 INFO L129 PetriNetUnfolder]: 327/2667 cut-off events. [2021-12-16 03:01:09,161 INFO L130 PetriNetUnfolder]: For 516/698 co-relation queries the response was YES. [2021-12-16 03:01:09,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3730 conditions, 2667 events. 327/2667 cut-off events. For 516/698 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 26314 event pairs, 70 based on Foata normal form. 0/2404 useless extension candidates. Maximal degree in co-relation 3702. Up to 155 conditions per place. [2021-12-16 03:01:09,183 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 24 selfloop transitions, 4 changer transitions 0/282 dead transitions. [2021-12-16 03:01:09,183 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 282 transitions, 762 flow [2021-12-16 03:01:09,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:01:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 03:01:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-12-16 03:01:09,185 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.947242206235012 [2021-12-16 03:01:09,185 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-12-16 03:01:09,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-12-16 03:01:09,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:09,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-12-16 03:01:09,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 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) [2021-12-16 03:01:09,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:09,189 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:09,189 INFO L186 Difference]: Start difference. First operand has 261 places, 274 transitions, 678 flow. Second operand 3 states and 790 transitions. [2021-12-16 03:01:09,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 282 transitions, 762 flow [2021-12-16 03:01:09,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 282 transitions, 758 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-12-16 03:01:09,197 INFO L242 Difference]: Finished difference. Result has 261 places, 278 transitions, 722 flow [2021-12-16 03:01:09,197 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=674, PETRI_DIFFERENCE_MINUEND_PLACES=257, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=722, PETRI_PLACES=261, PETRI_TRANSITIONS=278} [2021-12-16 03:01:09,198 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 12 predicate places. [2021-12-16 03:01:09,199 INFO L470 AbstractCegarLoop]: Abstraction has has 261 places, 278 transitions, 722 flow [2021-12-16 03:01:09,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-16 03:01:09,199 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:09,199 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] [2021-12-16 03:01:09,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 03:01:09,200 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:09,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:09,200 INFO L85 PathProgramCache]: Analyzing trace with hash 541551261, now seen corresponding path program 1 times [2021-12-16 03:01:09,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:09,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23109094] [2021-12-16 03:01:09,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:09,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:09,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:09,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:09,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23109094] [2021-12-16 03:01:09,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23109094] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:09,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:09,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 03:01:09,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518409678] [2021-12-16 03:01:09,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:09,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:01:09,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:09,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:01:09,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 03:01:09,306 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 278 [2021-12-16 03:01:09,308 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 278 transitions, 722 flow. Second operand has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 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) [2021-12-16 03:01:09,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:09,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 278 [2021-12-16 03:01:09,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:09,619 INFO L129 PetriNetUnfolder]: 345/2282 cut-off events. [2021-12-16 03:01:09,619 INFO L130 PetriNetUnfolder]: For 632/960 co-relation queries the response was YES. [2021-12-16 03:01:09,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3603 conditions, 2282 events. 345/2282 cut-off events. For 632/960 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 22179 event pairs, 116 based on Foata normal form. 6/2045 useless extension candidates. Maximal degree in co-relation 2323. Up to 474 conditions per place. [2021-12-16 03:01:09,640 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 25 selfloop transitions, 5 changer transitions 9/296 dead transitions. [2021-12-16 03:01:09,640 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 296 transitions, 855 flow [2021-12-16 03:01:09,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 03:01:09,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 03:01:09,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2296 transitions. [2021-12-16 03:01:09,645 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9176658673061551 [2021-12-16 03:01:09,645 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2296 transitions. [2021-12-16 03:01:09,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2296 transitions. [2021-12-16 03:01:09,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:09,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2296 transitions. [2021-12-16 03:01:09,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 255.11111111111111) internal successors, (2296), 9 states have internal predecessors, (2296), 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) [2021-12-16 03:01:09,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-16 03:01:09,653 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-16 03:01:09,653 INFO L186 Difference]: Start difference. First operand has 261 places, 278 transitions, 722 flow. Second operand 9 states and 2296 transitions. [2021-12-16 03:01:09,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 296 transitions, 855 flow [2021-12-16 03:01:09,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 296 transitions, 843 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-12-16 03:01:09,658 INFO L242 Difference]: Finished difference. Result has 275 places, 282 transitions, 757 flow [2021-12-16 03:01:09,658 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=710, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=757, PETRI_PLACES=275, PETRI_TRANSITIONS=282} [2021-12-16 03:01:09,659 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 26 predicate places. [2021-12-16 03:01:09,659 INFO L470 AbstractCegarLoop]: Abstraction has has 275 places, 282 transitions, 757 flow [2021-12-16 03:01:09,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 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) [2021-12-16 03:01:09,660 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:09,660 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] [2021-12-16 03:01:09,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 03:01:09,660 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:09,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:09,661 INFO L85 PathProgramCache]: Analyzing trace with hash 515963671, now seen corresponding path program 1 times [2021-12-16 03:01:09,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:09,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420500462] [2021-12-16 03:01:09,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:09,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:09,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:09,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:09,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420500462] [2021-12-16 03:01:09,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420500462] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:09,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:09,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:01:09,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792000787] [2021-12-16 03:01:09,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:09,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:01:09,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:09,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:01:09,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:01:09,707 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-12-16 03:01:09,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 282 transitions, 757 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-16 03:01:09,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:09,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-12-16 03:01:09,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:09,949 INFO L129 PetriNetUnfolder]: 171/2079 cut-off events. [2021-12-16 03:01:09,950 INFO L130 PetriNetUnfolder]: For 567/713 co-relation queries the response was YES. [2021-12-16 03:01:09,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3094 conditions, 2079 events. 171/2079 cut-off events. For 567/713 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 19308 event pairs, 46 based on Foata normal form. 0/1941 useless extension candidates. Maximal degree in co-relation 3063. Up to 116 conditions per place. [2021-12-16 03:01:09,963 INFO L132 encePairwiseOnDemand]: 274/278 looper letters, 19 selfloop transitions, 2 changer transitions 0/289 dead transitions. [2021-12-16 03:01:09,963 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 289 transitions, 822 flow [2021-12-16 03:01:09,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:01:09,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 03:01:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-12-16 03:01:09,965 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-12-16 03:01:09,965 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-12-16 03:01:09,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-12-16 03:01:09,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:09,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-12-16 03:01:09,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2021-12-16 03:01:09,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:09,969 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:09,969 INFO L186 Difference]: Start difference. First operand has 275 places, 282 transitions, 757 flow. Second operand 3 states and 795 transitions. [2021-12-16 03:01:09,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 289 transitions, 822 flow [2021-12-16 03:01:09,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 289 transitions, 817 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-12-16 03:01:09,976 INFO L242 Difference]: Finished difference. Result has 274 places, 284 transitions, 776 flow [2021-12-16 03:01:09,977 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=776, PETRI_PLACES=274, PETRI_TRANSITIONS=284} [2021-12-16 03:01:09,978 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 25 predicate places. [2021-12-16 03:01:09,979 INFO L470 AbstractCegarLoop]: Abstraction has has 274 places, 284 transitions, 776 flow [2021-12-16 03:01:09,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-16 03:01:09,979 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:09,979 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] [2021-12-16 03:01:09,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 03:01:09,980 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:09,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:09,980 INFO L85 PathProgramCache]: Analyzing trace with hash 800860355, now seen corresponding path program 1 times [2021-12-16 03:01:09,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:09,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450921609] [2021-12-16 03:01:09,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:09,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:10,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:10,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:10,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450921609] [2021-12-16 03:01:10,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450921609] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:10,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:10,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 03:01:10,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115622757] [2021-12-16 03:01:10,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:10,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 03:01:10,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:10,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 03:01:10,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-12-16 03:01:10,089 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 278 [2021-12-16 03:01:10,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 284 transitions, 776 flow. Second operand has 8 states, 8 states have (on average 249.5) internal successors, (1996), 8 states have internal predecessors, (1996), 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) [2021-12-16 03:01:10,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:10,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 278 [2021-12-16 03:01:10,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:10,352 INFO L129 PetriNetUnfolder]: 412/2335 cut-off events. [2021-12-16 03:01:10,352 INFO L130 PetriNetUnfolder]: For 2393/2704 co-relation queries the response was YES. [2021-12-16 03:01:10,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4696 conditions, 2335 events. 412/2335 cut-off events. For 2393/2704 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 22613 event pairs, 106 based on Foata normal form. 30/2166 useless extension candidates. Maximal degree in co-relation 4562. Up to 295 conditions per place. [2021-12-16 03:01:10,382 INFO L132 encePairwiseOnDemand]: 268/278 looper letters, 32 selfloop transitions, 9 changer transitions 12/302 dead transitions. [2021-12-16 03:01:10,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 302 transitions, 982 flow [2021-12-16 03:01:10,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 03:01:10,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-12-16 03:01:10,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2020 transitions. [2021-12-16 03:01:10,387 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.908273381294964 [2021-12-16 03:01:10,387 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2020 transitions. [2021-12-16 03:01:10,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2020 transitions. [2021-12-16 03:01:10,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:10,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2020 transitions. [2021-12-16 03:01:10,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 252.5) internal successors, (2020), 8 states have internal predecessors, (2020), 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) [2021-12-16 03:01:10,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 278.0) internal successors, (2502), 9 states have internal predecessors, (2502), 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) [2021-12-16 03:01:10,396 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 278.0) internal successors, (2502), 9 states have internal predecessors, (2502), 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) [2021-12-16 03:01:10,396 INFO L186 Difference]: Start difference. First operand has 274 places, 284 transitions, 776 flow. Second operand 8 states and 2020 transitions. [2021-12-16 03:01:10,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 302 transitions, 982 flow [2021-12-16 03:01:10,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 302 transitions, 976 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-12-16 03:01:10,405 INFO L242 Difference]: Finished difference. Result has 283 places, 281 transitions, 782 flow [2021-12-16 03:01:10,406 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=782, PETRI_PLACES=283, PETRI_TRANSITIONS=281} [2021-12-16 03:01:10,406 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 34 predicate places. [2021-12-16 03:01:10,406 INFO L470 AbstractCegarLoop]: Abstraction has has 283 places, 281 transitions, 782 flow [2021-12-16 03:01:10,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 249.5) internal successors, (1996), 8 states have internal predecessors, (1996), 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) [2021-12-16 03:01:10,407 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:10,408 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] [2021-12-16 03:01:10,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 03:01:10,408 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:10,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:10,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1122775931, now seen corresponding path program 1 times [2021-12-16 03:01:10,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:10,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981373337] [2021-12-16 03:01:10,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:10,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:10,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:10,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981373337] [2021-12-16 03:01:10,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981373337] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:10,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:10,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:01:10,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088632937] [2021-12-16 03:01:10,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:10,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:01:10,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:10,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:01:10,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:01:10,440 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-12-16 03:01:10,440 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 281 transitions, 782 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-16 03:01:10,441 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:10,441 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-12-16 03:01:10,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:10,773 INFO L129 PetriNetUnfolder]: 243/3303 cut-off events. [2021-12-16 03:01:10,773 INFO L130 PetriNetUnfolder]: For 844/1013 co-relation queries the response was YES. [2021-12-16 03:01:10,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5043 conditions, 3303 events. 243/3303 cut-off events. For 844/1013 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 35864 event pairs, 65 based on Foata normal form. 0/3056 useless extension candidates. Maximal degree in co-relation 4998. Up to 169 conditions per place. [2021-12-16 03:01:10,806 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 18 selfloop transitions, 3 changer transitions 1/289 dead transitions. [2021-12-16 03:01:10,807 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 289 transitions, 847 flow [2021-12-16 03:01:10,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:01:10,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 03:01:10,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-12-16 03:01:10,809 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-12-16 03:01:10,809 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-12-16 03:01:10,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-12-16 03:01:10,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:10,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-12-16 03:01:10,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 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) [2021-12-16 03:01:10,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:10,812 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:10,812 INFO L186 Difference]: Start difference. First operand has 283 places, 281 transitions, 782 flow. Second operand 3 states and 793 transitions. [2021-12-16 03:01:10,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 289 transitions, 847 flow [2021-12-16 03:01:10,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 289 transitions, 824 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-12-16 03:01:10,822 INFO L242 Difference]: Finished difference. Result has 278 places, 283 transitions, 785 flow [2021-12-16 03:01:10,823 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=759, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=785, PETRI_PLACES=278, PETRI_TRANSITIONS=283} [2021-12-16 03:01:10,823 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 29 predicate places. [2021-12-16 03:01:10,823 INFO L470 AbstractCegarLoop]: Abstraction has has 278 places, 283 transitions, 785 flow [2021-12-16 03:01:10,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-16 03:01:10,824 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:10,824 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] [2021-12-16 03:01:10,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 03:01:10,824 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:10,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:10,825 INFO L85 PathProgramCache]: Analyzing trace with hash 131068539, now seen corresponding path program 2 times [2021-12-16 03:01:10,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:10,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845072199] [2021-12-16 03:01:10,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:10,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:10,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:10,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:10,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845072199] [2021-12-16 03:01:10,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845072199] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:10,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:10,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:01:10,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013523252] [2021-12-16 03:01:10,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:10,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:01:10,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:10,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:01:10,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:01:10,852 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-12-16 03:01:10,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 283 transitions, 785 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-16 03:01:10,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:10,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-12-16 03:01:10,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:11,176 INFO L129 PetriNetUnfolder]: 191/2884 cut-off events. [2021-12-16 03:01:11,176 INFO L130 PetriNetUnfolder]: For 722/840 co-relation queries the response was YES. [2021-12-16 03:01:11,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4264 conditions, 2884 events. 191/2884 cut-off events. For 722/840 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 30333 event pairs, 57 based on Foata normal form. 14/2712 useless extension candidates. Maximal degree in co-relation 4081. Up to 131 conditions per place. [2021-12-16 03:01:11,206 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 18 selfloop transitions, 5 changer transitions 2/291 dead transitions. [2021-12-16 03:01:11,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 291 transitions, 860 flow [2021-12-16 03:01:11,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:01:11,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 03:01:11,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-12-16 03:01:11,208 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-12-16 03:01:11,209 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-12-16 03:01:11,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-12-16 03:01:11,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:11,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-12-16 03:01:11,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 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) [2021-12-16 03:01:11,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:11,212 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:11,212 INFO L186 Difference]: Start difference. First operand has 278 places, 283 transitions, 785 flow. Second operand 3 states and 793 transitions. [2021-12-16 03:01:11,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 291 transitions, 860 flow [2021-12-16 03:01:11,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 279 places, 291 transitions, 857 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-16 03:01:11,222 INFO L242 Difference]: Finished difference. Result has 281 places, 284 transitions, 817 flow [2021-12-16 03:01:11,222 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=817, PETRI_PLACES=281, PETRI_TRANSITIONS=284} [2021-12-16 03:01:11,222 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 32 predicate places. [2021-12-16 03:01:11,223 INFO L470 AbstractCegarLoop]: Abstraction has has 281 places, 284 transitions, 817 flow [2021-12-16 03:01:11,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-16 03:01:11,223 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:11,223 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] [2021-12-16 03:01:11,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 03:01:11,224 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:11,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:11,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1689771465, now seen corresponding path program 1 times [2021-12-16 03:01:11,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:11,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193148072] [2021-12-16 03:01:11,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:11,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:11,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:11,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193148072] [2021-12-16 03:01:11,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193148072] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:11,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:11,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 03:01:11,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459049268] [2021-12-16 03:01:11,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:11,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:01:11,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:11,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:01:11,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 03:01:11,277 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 278 [2021-12-16 03:01:11,278 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 284 transitions, 817 flow. Second operand has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 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) [2021-12-16 03:01:11,278 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:11,278 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 278 [2021-12-16 03:01:11,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:11,552 INFO L129 PetriNetUnfolder]: 215/2364 cut-off events. [2021-12-16 03:01:11,552 INFO L130 PetriNetUnfolder]: For 600/791 co-relation queries the response was YES. [2021-12-16 03:01:11,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3695 conditions, 2364 events. 215/2364 cut-off events. For 600/791 co-relation queries the response was YES. Maximal size of possible extension queue 145. Compared 24801 event pairs, 93 based on Foata normal form. 8/2205 useless extension candidates. Maximal degree in co-relation 3527. Up to 245 conditions per place. [2021-12-16 03:01:11,570 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 26 selfloop transitions, 5 changer transitions 13/303 dead transitions. [2021-12-16 03:01:11,570 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 303 transitions, 959 flow [2021-12-16 03:01:11,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 03:01:11,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 03:01:11,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2297 transitions. [2021-12-16 03:01:11,573 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9180655475619505 [2021-12-16 03:01:11,574 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2297 transitions. [2021-12-16 03:01:11,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2297 transitions. [2021-12-16 03:01:11,575 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:11,575 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2297 transitions. [2021-12-16 03:01:11,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 255.22222222222223) internal successors, (2297), 9 states have internal predecessors, (2297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 03:01:11,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-16 03:01:11,581 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-16 03:01:11,581 INFO L186 Difference]: Start difference. First operand has 281 places, 284 transitions, 817 flow. Second operand 9 states and 2297 transitions. [2021-12-16 03:01:11,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 303 transitions, 959 flow [2021-12-16 03:01:11,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 303 transitions, 943 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-12-16 03:01:11,588 INFO L242 Difference]: Finished difference. Result has 293 places, 285 transitions, 836 flow [2021-12-16 03:01:11,589 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=836, PETRI_PLACES=293, PETRI_TRANSITIONS=285} [2021-12-16 03:01:11,589 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 44 predicate places. [2021-12-16 03:01:11,589 INFO L470 AbstractCegarLoop]: Abstraction has has 293 places, 285 transitions, 836 flow [2021-12-16 03:01:11,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 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) [2021-12-16 03:01:11,590 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:11,591 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] [2021-12-16 03:01:11,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-16 03:01:11,591 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:11,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:11,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1989589058, now seen corresponding path program 1 times [2021-12-16 03:01:11,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:11,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878114001] [2021-12-16 03:01:11,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:11,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:11,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:11,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:11,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878114001] [2021-12-16 03:01:11,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878114001] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:11,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:11,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 03:01:11,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475920389] [2021-12-16 03:01:11,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:11,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-16 03:01:11,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:11,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 03:01:11,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 03:01:11,640 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 278 [2021-12-16 03:01:11,641 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 285 transitions, 836 flow. Second operand has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 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) [2021-12-16 03:01:11,641 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:11,641 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 278 [2021-12-16 03:01:11,641 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:11,830 INFO L129 PetriNetUnfolder]: 111/1699 cut-off events. [2021-12-16 03:01:11,830 INFO L130 PetriNetUnfolder]: For 431/558 co-relation queries the response was YES. [2021-12-16 03:01:11,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2568 conditions, 1699 events. 111/1699 cut-off events. For 431/558 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 16254 event pairs, 21 based on Foata normal form. 15/1599 useless extension candidates. Maximal degree in co-relation 2536. Up to 74 conditions per place. [2021-12-16 03:01:11,846 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 27 selfloop transitions, 5 changer transitions 5/305 dead transitions. [2021-12-16 03:01:11,846 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 305 transitions, 979 flow [2021-12-16 03:01:11,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 03:01:11,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 03:01:11,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2297 transitions. [2021-12-16 03:01:11,849 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9180655475619505 [2021-12-16 03:01:11,849 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2297 transitions. [2021-12-16 03:01:11,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2297 transitions. [2021-12-16 03:01:11,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:11,850 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2297 transitions. [2021-12-16 03:01:11,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 255.22222222222223) internal successors, (2297), 9 states have internal predecessors, (2297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 03:01:11,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-16 03:01:11,856 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-16 03:01:11,856 INFO L186 Difference]: Start difference. First operand has 293 places, 285 transitions, 836 flow. Second operand 9 states and 2297 transitions. [2021-12-16 03:01:11,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 305 transitions, 979 flow [2021-12-16 03:01:11,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 305 transitions, 959 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-12-16 03:01:11,864 INFO L242 Difference]: Finished difference. Result has 301 places, 289 transitions, 867 flow [2021-12-16 03:01:11,864 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=867, PETRI_PLACES=301, PETRI_TRANSITIONS=289} [2021-12-16 03:01:11,864 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 52 predicate places. [2021-12-16 03:01:11,865 INFO L470 AbstractCegarLoop]: Abstraction has has 301 places, 289 transitions, 867 flow [2021-12-16 03:01:11,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 253.28571428571428) internal successors, (1773), 7 states have internal predecessors, (1773), 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) [2021-12-16 03:01:11,865 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:11,865 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] [2021-12-16 03:01:11,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-16 03:01:11,866 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:11,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:11,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1572562324, now seen corresponding path program 1 times [2021-12-16 03:01:11,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:11,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589143669] [2021-12-16 03:01:11,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:11,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:11,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:11,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:11,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589143669] [2021-12-16 03:01:11,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589143669] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:11,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:11,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 03:01:11,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356644237] [2021-12-16 03:01:11,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:11,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 03:01:11,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:11,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 03:01:11,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-16 03:01:11,937 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 278 [2021-12-16 03:01:11,938 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 289 transitions, 867 flow. Second operand has 9 states, 9 states have (on average 243.66666666666666) internal successors, (2193), 9 states have internal predecessors, (2193), 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) [2021-12-16 03:01:11,938 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:11,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 278 [2021-12-16 03:01:11,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:12,535 INFO L129 PetriNetUnfolder]: 677/3573 cut-off events. [2021-12-16 03:01:12,535 INFO L130 PetriNetUnfolder]: For 4498/4825 co-relation queries the response was YES. [2021-12-16 03:01:12,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7749 conditions, 3573 events. 677/3573 cut-off events. For 4498/4825 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 39085 event pairs, 419 based on Foata normal form. 49/3345 useless extension candidates. Maximal degree in co-relation 7713. Up to 978 conditions per place. [2021-12-16 03:01:12,562 INFO L132 encePairwiseOnDemand]: 262/278 looper letters, 69 selfloop transitions, 30 changer transitions 4/351 dead transitions. [2021-12-16 03:01:12,562 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 351 transitions, 1425 flow [2021-12-16 03:01:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 03:01:12,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-16 03:01:12,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3215 transitions. [2021-12-16 03:01:12,566 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8895960154952961 [2021-12-16 03:01:12,566 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3215 transitions. [2021-12-16 03:01:12,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3215 transitions. [2021-12-16 03:01:12,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:12,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3215 transitions. [2021-12-16 03:01:12,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 247.30769230769232) internal successors, (3215), 13 states have internal predecessors, (3215), 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) [2021-12-16 03:01:12,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 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) [2021-12-16 03:01:12,576 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 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) [2021-12-16 03:01:12,576 INFO L186 Difference]: Start difference. First operand has 301 places, 289 transitions, 867 flow. Second operand 13 states and 3215 transitions. [2021-12-16 03:01:12,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 351 transitions, 1425 flow [2021-12-16 03:01:12,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 308 places, 351 transitions, 1418 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-12-16 03:01:12,588 INFO L242 Difference]: Finished difference. Result has 319 places, 316 transitions, 1199 flow [2021-12-16 03:01:12,588 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=862, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1199, PETRI_PLACES=319, PETRI_TRANSITIONS=316} [2021-12-16 03:01:12,589 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 70 predicate places. [2021-12-16 03:01:12,589 INFO L470 AbstractCegarLoop]: Abstraction has has 319 places, 316 transitions, 1199 flow [2021-12-16 03:01:12,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 243.66666666666666) internal successors, (2193), 9 states have internal predecessors, (2193), 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) [2021-12-16 03:01:12,589 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:12,589 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] [2021-12-16 03:01:12,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-16 03:01:12,590 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:12,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:12,590 INFO L85 PathProgramCache]: Analyzing trace with hash -32982802, now seen corresponding path program 2 times [2021-12-16 03:01:12,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:12,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817587921] [2021-12-16 03:01:12,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:12,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:12,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:12,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:12,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817587921] [2021-12-16 03:01:12,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817587921] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:12,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:12,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 03:01:12,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047304105] [2021-12-16 03:01:12,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:12,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 03:01:12,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:12,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 03:01:12,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-16 03:01:12,645 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 278 [2021-12-16 03:01:12,647 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 316 transitions, 1199 flow. Second operand has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 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) [2021-12-16 03:01:12,647 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:12,647 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 278 [2021-12-16 03:01:12,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:13,008 INFO L129 PetriNetUnfolder]: 302/2529 cut-off events. [2021-12-16 03:01:13,009 INFO L130 PetriNetUnfolder]: For 3189/3509 co-relation queries the response was YES. [2021-12-16 03:01:13,037 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5243 conditions, 2529 events. 302/2529 cut-off events. For 3189/3509 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 26864 event pairs, 56 based on Foata normal form. 34/2413 useless extension candidates. Maximal degree in co-relation 5198. Up to 279 conditions per place. [2021-12-16 03:01:13,044 INFO L132 encePairwiseOnDemand]: 265/278 looper letters, 39 selfloop transitions, 16 changer transitions 4/331 dead transitions. [2021-12-16 03:01:13,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 325 places, 331 transitions, 1371 flow [2021-12-16 03:01:13,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 03:01:13,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-12-16 03:01:13,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2253 transitions. [2021-12-16 03:01:13,048 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9004796163069544 [2021-12-16 03:01:13,048 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2253 transitions. [2021-12-16 03:01:13,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2253 transitions. [2021-12-16 03:01:13,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:13,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2253 transitions. [2021-12-16 03:01:13,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 250.33333333333334) internal successors, (2253), 9 states have internal predecessors, (2253), 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) [2021-12-16 03:01:13,054 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-16 03:01:13,054 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 278.0) internal successors, (2780), 10 states have internal predecessors, (2780), 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) [2021-12-16 03:01:13,055 INFO L186 Difference]: Start difference. First operand has 319 places, 316 transitions, 1199 flow. Second operand 9 states and 2253 transitions. [2021-12-16 03:01:13,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 325 places, 331 transitions, 1371 flow [2021-12-16 03:01:13,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 331 transitions, 1283 flow, removed 44 selfloop flow, removed 2 redundant places. [2021-12-16 03:01:13,073 INFO L242 Difference]: Finished difference. Result has 326 places, 316 transitions, 1158 flow [2021-12-16 03:01:13,074 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1113, PETRI_DIFFERENCE_MINUEND_PLACES=315, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1158, PETRI_PLACES=326, PETRI_TRANSITIONS=316} [2021-12-16 03:01:13,074 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 77 predicate places. [2021-12-16 03:01:13,074 INFO L470 AbstractCegarLoop]: Abstraction has has 326 places, 316 transitions, 1158 flow [2021-12-16 03:01:13,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 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) [2021-12-16 03:01:13,075 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:13,075 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:01:13,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-16 03:01:13,075 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:13,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:13,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1195152446, now seen corresponding path program 1 times [2021-12-16 03:01:13,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:13,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443888563] [2021-12-16 03:01:13,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:13,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:13,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:13,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:13,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443888563] [2021-12-16 03:01:13,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443888563] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:13,102 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:13,102 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:01:13,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901909620] [2021-12-16 03:01:13,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:13,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:01:13,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:13,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:01:13,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:01:13,104 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-12-16 03:01:13,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 316 transitions, 1158 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-16 03:01:13,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:13,104 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-12-16 03:01:13,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:13,580 INFO L129 PetriNetUnfolder]: 362/4885 cut-off events. [2021-12-16 03:01:13,581 INFO L130 PetriNetUnfolder]: For 5224/5581 co-relation queries the response was YES. [2021-12-16 03:01:13,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8646 conditions, 4885 events. 362/4885 cut-off events. For 5224/5581 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 58324 event pairs, 106 based on Foata normal form. 9/4584 useless extension candidates. Maximal degree in co-relation 8596. Up to 191 conditions per place. [2021-12-16 03:01:13,632 INFO L132 encePairwiseOnDemand]: 268/278 looper letters, 18 selfloop transitions, 6 changer transitions 0/324 dead transitions. [2021-12-16 03:01:13,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 324 transitions, 1226 flow [2021-12-16 03:01:13,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:01:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 03:01:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-12-16 03:01:13,634 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.947242206235012 [2021-12-16 03:01:13,634 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-12-16 03:01:13,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-12-16 03:01:13,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:13,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-12-16 03:01:13,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 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) [2021-12-16 03:01:13,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:13,637 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:13,637 INFO L186 Difference]: Start difference. First operand has 326 places, 316 transitions, 1158 flow. Second operand 3 states and 790 transitions. [2021-12-16 03:01:13,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 324 transitions, 1226 flow [2021-12-16 03:01:13,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 324 transitions, 1189 flow, removed 3 selfloop flow, removed 8 redundant places. [2021-12-16 03:01:13,655 INFO L242 Difference]: Finished difference. Result has 320 places, 320 transitions, 1169 flow [2021-12-16 03:01:13,655 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1121, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=316, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1169, PETRI_PLACES=320, PETRI_TRANSITIONS=320} [2021-12-16 03:01:13,656 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 71 predicate places. [2021-12-16 03:01:13,656 INFO L470 AbstractCegarLoop]: Abstraction has has 320 places, 320 transitions, 1169 flow [2021-12-16 03:01:13,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-16 03:01:13,656 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:13,656 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] [2021-12-16 03:01:13,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-16 03:01:13,656 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:13,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:13,657 INFO L85 PathProgramCache]: Analyzing trace with hash 551683210, now seen corresponding path program 1 times [2021-12-16 03:01:13,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:13,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705378740] [2021-12-16 03:01:13,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:13,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:13,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:13,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:13,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705378740] [2021-12-16 03:01:13,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705378740] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:13,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:13,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:01:13,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351232378] [2021-12-16 03:01:13,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:13,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:01:13,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:13,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:01:13,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:01:13,683 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-12-16 03:01:13,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 320 transitions, 1169 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-16 03:01:13,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:13,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-12-16 03:01:13,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:14,494 INFO L129 PetriNetUnfolder]: 517/6959 cut-off events. [2021-12-16 03:01:14,495 INFO L130 PetriNetUnfolder]: For 11111/12366 co-relation queries the response was YES. [2021-12-16 03:01:14,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13208 conditions, 6959 events. 517/6959 cut-off events. For 11111/12366 co-relation queries the response was YES. Maximal size of possible extension queue 313. Compared 89304 event pairs, 95 based on Foata normal form. 15/6626 useless extension candidates. Maximal degree in co-relation 13067. Up to 382 conditions per place. [2021-12-16 03:01:14,580 INFO L132 encePairwiseOnDemand]: 274/278 looper letters, 17 selfloop transitions, 2 changer transitions 8/327 dead transitions. [2021-12-16 03:01:14,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 327 transitions, 1226 flow [2021-12-16 03:01:14,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:01:14,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 03:01:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-12-16 03:01:14,582 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-12-16 03:01:14,582 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-12-16 03:01:14,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-12-16 03:01:14,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:14,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-12-16 03:01:14,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2021-12-16 03:01:14,585 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:14,585 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:14,585 INFO L186 Difference]: Start difference. First operand has 320 places, 320 transitions, 1169 flow. Second operand 3 states and 795 transitions. [2021-12-16 03:01:14,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 327 transitions, 1226 flow [2021-12-16 03:01:14,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 327 transitions, 1214 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-12-16 03:01:14,640 INFO L242 Difference]: Finished difference. Result has 322 places, 314 transitions, 1128 flow [2021-12-16 03:01:14,640 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1157, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=318, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1128, PETRI_PLACES=322, PETRI_TRANSITIONS=314} [2021-12-16 03:01:14,641 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 73 predicate places. [2021-12-16 03:01:14,641 INFO L470 AbstractCegarLoop]: Abstraction has has 322 places, 314 transitions, 1128 flow [2021-12-16 03:01:14,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-16 03:01:14,641 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:14,641 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] [2021-12-16 03:01:14,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-16 03:01:14,641 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:14,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:14,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1874507162, now seen corresponding path program 2 times [2021-12-16 03:01:14,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:14,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201037340] [2021-12-16 03:01:14,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:14,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:14,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:14,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:14,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201037340] [2021-12-16 03:01:14,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201037340] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:14,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:14,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:01:14,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519898023] [2021-12-16 03:01:14,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:14,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:01:14,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:14,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:01:14,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:01:14,679 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 278 [2021-12-16 03:01:14,680 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 314 transitions, 1128 flow. Second operand has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-16 03:01:14,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:14,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 278 [2021-12-16 03:01:14,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:15,254 INFO L129 PetriNetUnfolder]: 445/5193 cut-off events. [2021-12-16 03:01:15,254 INFO L130 PetriNetUnfolder]: For 8595/9474 co-relation queries the response was YES. [2021-12-16 03:01:15,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9839 conditions, 5193 events. 445/5193 cut-off events. For 8595/9474 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 61460 event pairs, 109 based on Foata normal form. 3/4904 useless extension candidates. Maximal degree in co-relation 9750. Up to 289 conditions per place. [2021-12-16 03:01:15,321 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 24 selfloop transitions, 4 changer transitions 5/322 dead transitions. [2021-12-16 03:01:15,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 322 transitions, 1212 flow [2021-12-16 03:01:15,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:01:15,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 03:01:15,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-12-16 03:01:15,323 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.947242206235012 [2021-12-16 03:01:15,323 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-12-16 03:01:15,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-12-16 03:01:15,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:15,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-12-16 03:01:15,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 263.3333333333333) internal successors, (790), 3 states have internal predecessors, (790), 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) [2021-12-16 03:01:15,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:15,326 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:15,327 INFO L186 Difference]: Start difference. First operand has 322 places, 314 transitions, 1128 flow. Second operand 3 states and 790 transitions. [2021-12-16 03:01:15,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 322 transitions, 1212 flow [2021-12-16 03:01:15,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 322 transitions, 1189 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-12-16 03:01:15,350 INFO L242 Difference]: Finished difference. Result has 313 places, 313 transitions, 1105 flow [2021-12-16 03:01:15,350 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1105, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=314, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1105, PETRI_PLACES=313, PETRI_TRANSITIONS=313} [2021-12-16 03:01:15,350 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 64 predicate places. [2021-12-16 03:01:15,350 INFO L470 AbstractCegarLoop]: Abstraction has has 313 places, 313 transitions, 1105 flow [2021-12-16 03:01:15,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 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) [2021-12-16 03:01:15,351 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:15,351 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] [2021-12-16 03:01:15,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-16 03:01:15,352 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:15,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:15,352 INFO L85 PathProgramCache]: Analyzing trace with hash 868855254, now seen corresponding path program 2 times [2021-12-16 03:01:15,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:15,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514679729] [2021-12-16 03:01:15,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:15,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:15,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:15,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514679729] [2021-12-16 03:01:15,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514679729] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:15,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:15,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:01:15,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882087862] [2021-12-16 03:01:15,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:15,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:01:15,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:15,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:01:15,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:01:15,376 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 278 [2021-12-16 03:01:15,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 313 transitions, 1105 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-16 03:01:15,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:15,377 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 278 [2021-12-16 03:01:15,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:15,784 INFO L129 PetriNetUnfolder]: 249/4399 cut-off events. [2021-12-16 03:01:15,784 INFO L130 PetriNetUnfolder]: For 6817/7501 co-relation queries the response was YES. [2021-12-16 03:01:15,826 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7882 conditions, 4399 events. 249/4399 cut-off events. For 6817/7501 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 50539 event pairs, 70 based on Foata normal form. 5/4230 useless extension candidates. Maximal degree in co-relation 7772. Up to 224 conditions per place. [2021-12-16 03:01:15,836 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 17 selfloop transitions, 4 changer transitions 0/320 dead transitions. [2021-12-16 03:01:15,836 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 320 transitions, 1170 flow [2021-12-16 03:01:15,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:01:15,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 03:01:15,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 795 transitions. [2021-12-16 03:01:15,838 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9532374100719424 [2021-12-16 03:01:15,838 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 795 transitions. [2021-12-16 03:01:15,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 795 transitions. [2021-12-16 03:01:15,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:15,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 795 transitions. [2021-12-16 03:01:15,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.0) internal successors, (795), 3 states have internal predecessors, (795), 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) [2021-12-16 03:01:15,841 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:15,841 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:15,841 INFO L186 Difference]: Start difference. First operand has 313 places, 313 transitions, 1105 flow. Second operand 3 states and 795 transitions. [2021-12-16 03:01:15,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 320 transitions, 1170 flow [2021-12-16 03:01:15,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 320 transitions, 1158 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-12-16 03:01:15,863 INFO L242 Difference]: Finished difference. Result has 316 places, 315 transitions, 1125 flow [2021-12-16 03:01:15,863 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1093, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1125, PETRI_PLACES=316, PETRI_TRANSITIONS=315} [2021-12-16 03:01:15,864 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 67 predicate places. [2021-12-16 03:01:15,864 INFO L470 AbstractCegarLoop]: Abstraction has has 316 places, 315 transitions, 1125 flow [2021-12-16 03:01:15,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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) [2021-12-16 03:01:15,864 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:15,864 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] [2021-12-16 03:01:15,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-16 03:01:15,864 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:15,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:15,865 INFO L85 PathProgramCache]: Analyzing trace with hash -428434742, now seen corresponding path program 1 times [2021-12-16 03:01:15,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:15,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70289041] [2021-12-16 03:01:15,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:15,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:15,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:15,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:15,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70289041] [2021-12-16 03:01:15,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70289041] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:15,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:15,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:01:15,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958956722] [2021-12-16 03:01:15,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:15,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:01:15,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:15,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:01:15,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:01:15,895 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-12-16 03:01:15,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 315 transitions, 1125 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-16 03:01:15,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:15,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-12-16 03:01:15,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:16,560 INFO L129 PetriNetUnfolder]: 356/6557 cut-off events. [2021-12-16 03:01:16,560 INFO L130 PetriNetUnfolder]: For 9782/11063 co-relation queries the response was YES. [2021-12-16 03:01:16,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11878 conditions, 6557 events. 356/6557 cut-off events. For 9782/11063 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 83833 event pairs, 86 based on Foata normal form. 5/6271 useless extension candidates. Maximal degree in co-relation 11685. Up to 346 conditions per place. [2021-12-16 03:01:16,721 INFO L132 encePairwiseOnDemand]: 272/278 looper letters, 19 selfloop transitions, 3 changer transitions 0/323 dead transitions. [2021-12-16 03:01:16,722 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 323 transitions, 1190 flow [2021-12-16 03:01:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:01:16,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 03:01:16,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-12-16 03:01:16,723 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-12-16 03:01:16,723 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-12-16 03:01:16,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-12-16 03:01:16,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:16,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-12-16 03:01:16,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 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) [2021-12-16 03:01:16,726 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:16,726 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:16,726 INFO L186 Difference]: Start difference. First operand has 316 places, 315 transitions, 1125 flow. Second operand 3 states and 793 transitions. [2021-12-16 03:01:16,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 323 transitions, 1190 flow [2021-12-16 03:01:16,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 323 transitions, 1178 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-12-16 03:01:16,746 INFO L242 Difference]: Finished difference. Result has 318 places, 318 transitions, 1143 flow [2021-12-16 03:01:16,746 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1113, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=315, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1143, PETRI_PLACES=318, PETRI_TRANSITIONS=318} [2021-12-16 03:01:16,747 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 69 predicate places. [2021-12-16 03:01:16,747 INFO L470 AbstractCegarLoop]: Abstraction has has 318 places, 318 transitions, 1143 flow [2021-12-16 03:01:16,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-16 03:01:16,747 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:16,747 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] [2021-12-16 03:01:16,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-16 03:01:16,748 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:16,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:16,748 INFO L85 PathProgramCache]: Analyzing trace with hash 514973570, now seen corresponding path program 2 times [2021-12-16 03:01:16,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:16,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325361560] [2021-12-16 03:01:16,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:16,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:16,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:16,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:16,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325361560] [2021-12-16 03:01:16,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325361560] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:16,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:16,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-16 03:01:16,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801966186] [2021-12-16 03:01:16,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:16,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-16 03:01:16,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:16,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-16 03:01:16,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-16 03:01:16,768 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 256 out of 278 [2021-12-16 03:01:16,768 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 318 transitions, 1143 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-16 03:01:16,768 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:16,768 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 256 of 278 [2021-12-16 03:01:16,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:17,307 INFO L129 PetriNetUnfolder]: 274/5802 cut-off events. [2021-12-16 03:01:17,307 INFO L130 PetriNetUnfolder]: For 7769/8571 co-relation queries the response was YES. [2021-12-16 03:01:17,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10433 conditions, 5802 events. 274/5802 cut-off events. For 7769/8571 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 72117 event pairs, 80 based on Foata normal form. 16/5573 useless extension candidates. Maximal degree in co-relation 10261. Up to 276 conditions per place. [2021-12-16 03:01:17,378 INFO L132 encePairwiseOnDemand]: 270/278 looper letters, 20 selfloop transitions, 5 changer transitions 0/326 dead transitions. [2021-12-16 03:01:17,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 326 transitions, 1220 flow [2021-12-16 03:01:17,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-16 03:01:17,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-12-16 03:01:17,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 793 transitions. [2021-12-16 03:01:17,380 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9508393285371702 [2021-12-16 03:01:17,380 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 793 transitions. [2021-12-16 03:01:17,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 793 transitions. [2021-12-16 03:01:17,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:17,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 793 transitions. [2021-12-16 03:01:17,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.3333333333333) internal successors, (793), 3 states have internal predecessors, (793), 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) [2021-12-16 03:01:17,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:17,383 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 278.0) internal successors, (1112), 4 states have internal predecessors, (1112), 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) [2021-12-16 03:01:17,383 INFO L186 Difference]: Start difference. First operand has 318 places, 318 transitions, 1143 flow. Second operand 3 states and 793 transitions. [2021-12-16 03:01:17,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 326 transitions, 1220 flow [2021-12-16 03:01:17,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 326 transitions, 1217 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-16 03:01:17,412 INFO L242 Difference]: Finished difference. Result has 321 places, 321 transitions, 1184 flow [2021-12-16 03:01:17,413 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1140, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1184, PETRI_PLACES=321, PETRI_TRANSITIONS=321} [2021-12-16 03:01:17,413 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 72 predicate places. [2021-12-16 03:01:17,413 INFO L470 AbstractCegarLoop]: Abstraction has has 321 places, 321 transitions, 1184 flow [2021-12-16 03:01:17,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 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) [2021-12-16 03:01:17,414 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:17,414 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] [2021-12-16 03:01:17,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-16 03:01:17,414 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:17,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:17,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1430970760, now seen corresponding path program 1 times [2021-12-16 03:01:17,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:17,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614070324] [2021-12-16 03:01:17,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:17,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:17,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:17,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:17,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614070324] [2021-12-16 03:01:17,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614070324] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:17,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:17,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 03:01:17,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342975737] [2021-12-16 03:01:17,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:17,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 03:01:17,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:17,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 03:01:17,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-16 03:01:17,469 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 278 [2021-12-16 03:01:17,471 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 321 transitions, 1184 flow. Second operand has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 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) [2021-12-16 03:01:17,471 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:17,471 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 278 [2021-12-16 03:01:17,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:18,230 INFO L129 PetriNetUnfolder]: 655/5409 cut-off events. [2021-12-16 03:01:18,230 INFO L130 PetriNetUnfolder]: For 8921/10263 co-relation queries the response was YES. [2021-12-16 03:01:18,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11489 conditions, 5409 events. 655/5409 cut-off events. For 8921/10263 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 66793 event pairs, 426 based on Foata normal form. 7/4969 useless extension candidates. Maximal degree in co-relation 11144. Up to 1815 conditions per place. [2021-12-16 03:01:18,287 INFO L132 encePairwiseOnDemand]: 266/278 looper letters, 39 selfloop transitions, 9 changer transitions 35/351 dead transitions. [2021-12-16 03:01:18,287 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 351 transitions, 1419 flow [2021-12-16 03:01:18,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 03:01:18,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-16 03:01:18,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3240 transitions. [2021-12-16 03:01:18,290 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.896513558384062 [2021-12-16 03:01:18,290 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3240 transitions. [2021-12-16 03:01:18,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3240 transitions. [2021-12-16 03:01:18,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:18,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3240 transitions. [2021-12-16 03:01:18,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 249.23076923076923) internal successors, (3240), 13 states have internal predecessors, (3240), 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) [2021-12-16 03:01:18,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 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) [2021-12-16 03:01:18,300 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 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) [2021-12-16 03:01:18,300 INFO L186 Difference]: Start difference. First operand has 321 places, 321 transitions, 1184 flow. Second operand 13 states and 3240 transitions. [2021-12-16 03:01:18,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 351 transitions, 1419 flow [2021-12-16 03:01:18,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 351 transitions, 1403 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-12-16 03:01:18,325 INFO L242 Difference]: Finished difference. Result has 342 places, 307 transitions, 1137 flow [2021-12-16 03:01:18,326 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1168, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=321, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=312, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1137, PETRI_PLACES=342, PETRI_TRANSITIONS=307} [2021-12-16 03:01:18,326 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 93 predicate places. [2021-12-16 03:01:18,326 INFO L470 AbstractCegarLoop]: Abstraction has has 342 places, 307 transitions, 1137 flow [2021-12-16 03:01:18,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 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) [2021-12-16 03:01:18,327 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:18,327 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] [2021-12-16 03:01:18,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-16 03:01:18,327 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:18,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:18,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1463553108, now seen corresponding path program 1 times [2021-12-16 03:01:18,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:18,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070538679] [2021-12-16 03:01:18,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:18,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:18,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:18,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:18,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070538679] [2021-12-16 03:01:18,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070538679] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:18,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:18,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 03:01:18,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715295961] [2021-12-16 03:01:18,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:18,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 03:01:18,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:18,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 03:01:18,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-16 03:01:18,409 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 278 [2021-12-16 03:01:18,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 307 transitions, 1137 flow. Second operand has 9 states, 9 states have (on average 243.66666666666666) internal successors, (2193), 9 states have internal predecessors, (2193), 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) [2021-12-16 03:01:18,410 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:18,410 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 278 [2021-12-16 03:01:18,410 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:19,986 INFO L129 PetriNetUnfolder]: 1659/10555 cut-off events. [2021-12-16 03:01:19,986 INFO L130 PetriNetUnfolder]: For 56859/61687 co-relation queries the response was YES. [2021-12-16 03:01:20,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31148 conditions, 10555 events. 1659/10555 cut-off events. For 56859/61687 co-relation queries the response was YES. Maximal size of possible extension queue 557. Compared 140715 event pairs, 886 based on Foata normal form. 45/9926 useless extension candidates. Maximal degree in co-relation 31098. Up to 2256 conditions per place. [2021-12-16 03:01:20,134 INFO L132 encePairwiseOnDemand]: 261/278 looper letters, 82 selfloop transitions, 34 changer transitions 12/380 dead transitions. [2021-12-16 03:01:20,135 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 343 places, 380 transitions, 2090 flow [2021-12-16 03:01:20,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-16 03:01:20,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-16 03:01:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 4203 transitions. [2021-12-16 03:01:20,138 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8893355903512484 [2021-12-16 03:01:20,138 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 4203 transitions. [2021-12-16 03:01:20,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 4203 transitions. [2021-12-16 03:01:20,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:20,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 4203 transitions. [2021-12-16 03:01:20,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 247.23529411764707) internal successors, (4203), 17 states have internal predecessors, (4203), 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) [2021-12-16 03:01:20,147 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 278.0) internal successors, (5004), 18 states have internal predecessors, (5004), 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) [2021-12-16 03:01:20,148 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 278.0) internal successors, (5004), 18 states have internal predecessors, (5004), 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) [2021-12-16 03:01:20,148 INFO L186 Difference]: Start difference. First operand has 342 places, 307 transitions, 1137 flow. Second operand 17 states and 4203 transitions. [2021-12-16 03:01:20,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 343 places, 380 transitions, 2090 flow [2021-12-16 03:01:20,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 380 transitions, 2033 flow, removed 28 selfloop flow, removed 7 redundant places. [2021-12-16 03:01:20,390 INFO L242 Difference]: Finished difference. Result has 349 places, 333 transitions, 1582 flow [2021-12-16 03:01:20,390 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1108, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1582, PETRI_PLACES=349, PETRI_TRANSITIONS=333} [2021-12-16 03:01:20,392 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 100 predicate places. [2021-12-16 03:01:20,392 INFO L470 AbstractCegarLoop]: Abstraction has has 349 places, 333 transitions, 1582 flow [2021-12-16 03:01:20,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 243.66666666666666) internal successors, (2193), 9 states have internal predecessors, (2193), 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) [2021-12-16 03:01:20,392 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:20,393 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] [2021-12-16 03:01:20,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-16 03:01:20,393 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:20,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:20,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1417552590, now seen corresponding path program 2 times [2021-12-16 03:01:20,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:20,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263376422] [2021-12-16 03:01:20,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:20,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:20,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:20,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:20,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263376422] [2021-12-16 03:01:20,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263376422] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:20,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:20,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 03:01:20,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619780850] [2021-12-16 03:01:20,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:20,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 03:01:20,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:20,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 03:01:20,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-16 03:01:20,483 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 278 [2021-12-16 03:01:20,484 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 333 transitions, 1582 flow. Second operand has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 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) [2021-12-16 03:01:20,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:20,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 278 [2021-12-16 03:01:20,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:21,970 INFO L129 PetriNetUnfolder]: 837/8366 cut-off events. [2021-12-16 03:01:21,970 INFO L130 PetriNetUnfolder]: For 42878/51131 co-relation queries the response was YES. [2021-12-16 03:01:22,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22346 conditions, 8366 events. 837/8366 cut-off events. For 42878/51131 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 111789 event pairs, 395 based on Foata normal form. 71/8000 useless extension candidates. Maximal degree in co-relation 22289. Up to 812 conditions per place. [2021-12-16 03:01:22,037 INFO L132 encePairwiseOnDemand]: 265/278 looper letters, 51 selfloop transitions, 20 changer transitions 23/366 dead transitions. [2021-12-16 03:01:22,038 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 366 transitions, 1876 flow [2021-12-16 03:01:22,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-16 03:01:22,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-12-16 03:01:22,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 4235 transitions. [2021-12-16 03:01:22,041 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8961066440964875 [2021-12-16 03:01:22,041 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 4235 transitions. [2021-12-16 03:01:22,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 4235 transitions. [2021-12-16 03:01:22,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:22,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 4235 transitions. [2021-12-16 03:01:22,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 249.11764705882354) internal successors, (4235), 17 states have internal predecessors, (4235), 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) [2021-12-16 03:01:22,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 278.0) internal successors, (5004), 18 states have internal predecessors, (5004), 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) [2021-12-16 03:01:22,048 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 278.0) internal successors, (5004), 18 states have internal predecessors, (5004), 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) [2021-12-16 03:01:22,049 INFO L186 Difference]: Start difference. First operand has 349 places, 333 transitions, 1582 flow. Second operand 17 states and 4235 transitions. [2021-12-16 03:01:22,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 366 transitions, 1876 flow [2021-12-16 03:01:22,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 366 transitions, 1629 flow, removed 120 selfloop flow, removed 4 redundant places. [2021-12-16 03:01:22,204 INFO L242 Difference]: Finished difference. Result has 362 places, 328 transitions, 1354 flow [2021-12-16 03:01:22,205 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1337, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1354, PETRI_PLACES=362, PETRI_TRANSITIONS=328} [2021-12-16 03:01:22,206 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 113 predicate places. [2021-12-16 03:01:22,206 INFO L470 AbstractCegarLoop]: Abstraction has has 362 places, 328 transitions, 1354 flow [2021-12-16 03:01:22,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 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) [2021-12-16 03:01:22,206 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:22,207 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] [2021-12-16 03:01:22,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-16 03:01:22,207 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:22,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:22,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1871895776, now seen corresponding path program 1 times [2021-12-16 03:01:22,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:22,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512324662] [2021-12-16 03:01:22,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:22,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:22,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:22,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:22,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512324662] [2021-12-16 03:01:22,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512324662] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:22,275 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:22,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 03:01:22,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133979543] [2021-12-16 03:01:22,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:22,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 03:01:22,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:22,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 03:01:22,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-16 03:01:22,277 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 278 [2021-12-16 03:01:22,279 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 362 places, 328 transitions, 1354 flow. Second operand has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 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) [2021-12-16 03:01:22,279 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:22,279 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 278 [2021-12-16 03:01:22,279 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-16 03:01:23,203 INFO L129 PetriNetUnfolder]: 442/6455 cut-off events. [2021-12-16 03:01:23,204 INFO L130 PetriNetUnfolder]: For 41753/44280 co-relation queries the response was YES. [2021-12-16 03:01:23,272 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15737 conditions, 6455 events. 442/6455 cut-off events. For 41753/44280 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 82508 event pairs, 221 based on Foata normal form. 77/6255 useless extension candidates. Maximal degree in co-relation 15680. Up to 474 conditions per place. [2021-12-16 03:01:23,283 INFO L132 encePairwiseOnDemand]: 266/278 looper letters, 21 selfloop transitions, 1 changer transitions 33/360 dead transitions. [2021-12-16 03:01:23,283 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 360 transitions, 1591 flow [2021-12-16 03:01:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 03:01:23,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-12-16 03:01:23,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3240 transitions. [2021-12-16 03:01:23,286 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.896513558384062 [2021-12-16 03:01:23,286 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3240 transitions. [2021-12-16 03:01:23,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3240 transitions. [2021-12-16 03:01:23,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 03:01:23,286 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3240 transitions. [2021-12-16 03:01:23,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 249.23076923076923) internal successors, (3240), 13 states have internal predecessors, (3240), 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) [2021-12-16 03:01:23,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 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) [2021-12-16 03:01:23,291 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 278.0) internal successors, (3892), 14 states have internal predecessors, (3892), 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) [2021-12-16 03:01:23,291 INFO L186 Difference]: Start difference. First operand has 362 places, 328 transitions, 1354 flow. Second operand 13 states and 3240 transitions. [2021-12-16 03:01:23,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 360 transitions, 1591 flow [2021-12-16 03:01:23,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 360 transitions, 1566 flow, removed 5 selfloop flow, removed 8 redundant places. [2021-12-16 03:01:23,372 INFO L242 Difference]: Finished difference. Result has 375 places, 327 transitions, 1354 flow [2021-12-16 03:01:23,373 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=278, PETRI_DIFFERENCE_MINUEND_FLOW=1333, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1354, PETRI_PLACES=375, PETRI_TRANSITIONS=327} [2021-12-16 03:01:23,373 INFO L334 CegarLoopForPetriNet]: 249 programPoint places, 126 predicate places. [2021-12-16 03:01:23,373 INFO L470 AbstractCegarLoop]: Abstraction has has 375 places, 327 transitions, 1354 flow [2021-12-16 03:01:23,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 247.22222222222223) internal successors, (2225), 9 states have internal predecessors, (2225), 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) [2021-12-16 03:01:23,374 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-16 03:01:23,374 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:01:23,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-16 03:01:23,374 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-12-16 03:01:23,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:01:23,375 INFO L85 PathProgramCache]: Analyzing trace with hash 411126624, now seen corresponding path program 1 times [2021-12-16 03:01:23,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:01:23,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935351375] [2021-12-16 03:01:23,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:01:23,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:01:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:01:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:01:23,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:01:23,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935351375] [2021-12-16 03:01:23,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935351375] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:01:23,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:01:23,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-12-16 03:01:23,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850619850] [2021-12-16 03:01:23,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:01:23,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-12-16 03:01:23,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:01:23,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-12-16 03:01:23,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2021-12-16 03:01:23,848 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 278 [2021-12-16 03:01:23,851 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 327 transitions, 1354 flow. Second operand has 34 states, 34 states have (on average 180.3235294117647) internal successors, (6131), 34 states have internal predecessors, (6131), 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) [2021-12-16 03:01:23,851 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-16 03:01:23,852 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 278 [2021-12-16 03:01:23,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand