/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix013_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 17:39:02,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 17:39:02,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 17:39:02,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 17:39:02,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 17:39:02,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 17:39:02,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 17:39:02,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 17:39:02,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 17:39:02,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 17:39:02,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 17:39:02,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 17:39:02,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 17:39:02,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 17:39:02,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 17:39:02,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 17:39:02,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 17:39:02,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 17:39:02,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 17:39:02,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 17:39:02,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 17:39:02,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 17:39:02,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 17:39:02,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 17:39:02,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 17:39:02,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 17:39:02,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 17:39:02,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 17:39:02,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 17:39:02,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 17:39:02,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 17:39:02,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 17:39:02,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 17:39:02,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 17:39:02,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 17:39:02,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 17:39:02,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 17:39:02,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 17:39:02,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 17:39:02,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 17:39:02,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 17:39:02,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 17:39:02,522 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 17:39:02,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 17:39:02,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 17:39:02,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 17:39:02,524 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 17:39:02,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 17:39:02,525 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 17:39:02,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 17:39:02,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 17:39:02,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 17:39:02,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 17:39:02,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 17:39:02,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 17:39:02,526 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 17:39:02,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 17:39:02,527 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 17:39:02,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 17:39:02,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 17:39:02,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 17:39:02,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 17:39:02,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 17:39:02,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 17:39:02,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 17:39:02,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 17:39:02,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 17:39:02,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 17:39:02,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 17:39:02,530 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 17:39:02,530 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 17:39:02,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 17:39:02,530 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 17:39:02,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 17:39:02,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 17:39:02,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 17:39:02,923 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 17:39:02,923 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 17:39:02,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix013_tso.opt.i [2021-04-28 17:39:03,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c73f8edc/1129275f2eb04471bfd95f6ba66ddec2/FLAGfa1fa5b6f [2021-04-28 17:39:03,745 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 17:39:03,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix013_tso.opt.i [2021-04-28 17:39:03,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c73f8edc/1129275f2eb04471bfd95f6ba66ddec2/FLAGfa1fa5b6f [2021-04-28 17:39:04,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c73f8edc/1129275f2eb04471bfd95f6ba66ddec2 [2021-04-28 17:39:04,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 17:39:04,057 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 17:39:04,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 17:39:04,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 17:39:04,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 17:39:04,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:39:04" (1/1) ... [2021-04-28 17:39:04,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d742e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:39:04, skipping insertion in model container [2021-04-28 17:39:04,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 05:39:04" (1/1) ... [2021-04-28 17:39:04,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 17:39:04,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 17:39:04,299 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix013_tso.opt.i[948,961] [2021-04-28 17:39:04,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:39:04,690 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 17:39:04,708 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix013_tso.opt.i[948,961] [2021-04-28 17:39:04,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 17:39:04,947 INFO L208 MainTranslator]: Completed translation [2021-04-28 17:39:04,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:39:04 WrapperNode [2021-04-28 17:39:04,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 17:39:04,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 17:39:04,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 17:39:04,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 17:39:04,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:39:04" (1/1) ... [2021-04-28 17:39:04,980 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:39:04" (1/1) ... [2021-04-28 17:39:05,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 17:39:05,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 17:39:05,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 17:39:05,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 17:39:05,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:39:04" (1/1) ... [2021-04-28 17:39:05,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:39:04" (1/1) ... [2021-04-28 17:39:05,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:39:04" (1/1) ... [2021-04-28 17:39:05,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:39:04" (1/1) ... [2021-04-28 17:39:05,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:39:04" (1/1) ... [2021-04-28 17:39:05,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:39:04" (1/1) ... [2021-04-28 17:39:05,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:39:04" (1/1) ... [2021-04-28 17:39:05,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 17:39:05,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 17:39:05,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 17:39:05,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 17:39:05,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:39:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 17:39:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 17:39:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 17:39:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 17:39:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 17:39:05,225 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 17:39:05,225 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 17:39:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 17:39:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 17:39:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 17:39:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 17:39:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 17:39:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 17:39:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 17:39:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 17:39:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 17:39:05,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 17:39:05,230 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 17:39:08,007 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 17:39:08,008 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 17:39:08,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:39:08 BoogieIcfgContainer [2021-04-28 17:39:08,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 17:39:08,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 17:39:08,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 17:39:08,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 17:39:08,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 05:39:04" (1/3) ... [2021-04-28 17:39:08,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee9cef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:39:08, skipping insertion in model container [2021-04-28 17:39:08,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 05:39:04" (2/3) ... [2021-04-28 17:39:08,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee9cef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:39:08, skipping insertion in model container [2021-04-28 17:39:08,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:39:08" (3/3) ... [2021-04-28 17:39:08,019 INFO L111 eAbstractionObserver]: Analyzing ICFG mix013_tso.opt.i [2021-04-28 17:39:08,027 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 17:39:08,033 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 17:39:08,034 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 17:39:08,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,090 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,090 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,091 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,091 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,091 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,092 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,093 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,093 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,093 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,093 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,095 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,095 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,095 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,096 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,096 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,097 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,098 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,099 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,102 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,104 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,105 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,106 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,107 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,113 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,113 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,113 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,113 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,114 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,114 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,114 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,114 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,114 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,114 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,114 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,115 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,115 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,115 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,115 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,115 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,116 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,116 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,116 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,116 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,116 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,117 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,117 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,117 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,117 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,117 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,117 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,117 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,117 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,118 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,118 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,118 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,118 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,118 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,118 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,119 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,120 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,121 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,121 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,121 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,121 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,121 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,121 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,123 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,124 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,125 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,126 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,127 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,128 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,129 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,131 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,132 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,132 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,132 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,132 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,132 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,132 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,133 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,133 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,133 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,133 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,134 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,134 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,134 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,134 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,135 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,135 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,135 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,137 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,138 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,138 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,142 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,142 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,145 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,145 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,146 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,146 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,146 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,146 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,146 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,147 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,148 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,148 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,148 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,148 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,148 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,148 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,149 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,150 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,150 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,150 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,152 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,152 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,152 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,152 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,152 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,153 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,153 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,153 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,153 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,153 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,153 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,153 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,154 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,154 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,154 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,154 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,154 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,154 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,155 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,155 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,155 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,155 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,155 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,155 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,156 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,156 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,156 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,156 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,156 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,156 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,157 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,157 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,157 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,157 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,157 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 17:39:08,159 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 17:39:08,182 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 17:39:08,208 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 17:39:08,209 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 17:39:08,209 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 17:39:08,209 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 17:39:08,209 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 17:39:08,209 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 17:39:08,209 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 17:39:08,209 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 17:39:08,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 118 transitions, 256 flow [2021-04-28 17:39:08,280 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-04-28 17:39:08,280 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:39:08,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-04-28 17:39:08,287 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 118 transitions, 256 flow [2021-04-28 17:39:08,293 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 114 transitions, 240 flow [2021-04-28 17:39:08,295 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:39:08,312 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 114 transitions, 240 flow [2021-04-28 17:39:08,317 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 114 transitions, 240 flow [2021-04-28 17:39:08,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 240 flow [2021-04-28 17:39:08,348 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-04-28 17:39:08,349 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:39:08,350 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-04-28 17:39:08,355 INFO L146 LiptonReduction]: Number of co-enabled transitions 2510 [2021-04-28 17:39:12,019 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 17:39:12,127 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 17:39:12,686 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 17:39:12,920 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 17:39:13,839 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 17:39:22,484 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 17:39:25,576 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 17:39:29,744 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:39:29,857 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:39:29,972 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:39:30,086 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 17:39:30,480 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:39:30,604 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:39:30,728 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:39:30,842 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:39:30,965 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:39:31,070 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:31,171 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:31,273 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:31,375 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:31,882 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:39:32,010 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:39:32,138 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:39:32,261 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 17:39:32,705 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:39:32,818 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:39:32,927 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:39:33,037 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 17:39:33,170 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:39:33,353 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:39:33,503 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:39:33,648 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 17:39:33,762 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:39:33,877 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:39:33,992 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:39:34,106 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:39:34,278 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 17:39:34,420 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 17:39:34,580 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 17:39:34,735 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 17:39:35,493 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:35,606 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:35,718 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:35,830 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:36,030 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:39:36,256 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 17:39:36,403 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 17:39:36,557 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 17:39:36,712 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 17:39:36,869 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-04-28 17:39:36,981 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:37,093 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:37,202 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:37,314 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:38,083 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 17:39:38,462 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:38,566 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:38,670 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:38,777 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:38,888 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 17:39:39,223 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:39,336 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:39,443 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:39,549 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 17:39:40,367 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:39:40,497 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:39:40,627 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:39:40,755 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:39:40,883 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:39:41,016 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:39:41,149 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:39:41,285 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 17:39:41,401 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:39:41,519 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:39:41,638 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:39:41,785 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:39:41,925 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:39:42,068 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:39:42,215 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:39:42,360 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 17:39:42,471 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:39:42,585 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:39:42,703 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:39:42,826 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 17:39:42,986 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:39:43,144 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:39:43,287 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:39:43,428 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 17:39:43,565 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:39:43,705 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:39:43,846 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:39:43,985 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 17:39:44,531 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:39:44,693 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:39:44,874 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:39:45,041 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 17:39:45,225 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:39:45,387 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:39:45,566 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:39:45,744 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 17:39:45,923 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:39:46,094 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:39:46,261 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:39:46,428 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 17:39:46,637 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:39:46,856 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:39:47,061 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:39:47,268 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 17:39:47,486 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:47,698 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:47,914 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:48,137 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:48,316 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:39:48,513 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:39:48,705 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:39:48,895 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:39:49,116 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:49,329 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:49,548 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:49,761 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:49,937 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:39:50,112 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:39:50,287 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:39:50,461 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 17:39:51,011 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-04-28 17:39:51,261 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-04-28 17:39:51,839 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-04-28 17:39:52,117 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-04-28 17:39:52,312 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:39:52,506 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:39:52,701 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:39:52,894 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 17:39:53,101 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:39:53,307 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:39:53,513 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:39:53,722 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 17:39:54,263 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2021-04-28 17:39:54,511 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 17:39:55,043 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 123 [2021-04-28 17:39:55,292 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-04-28 17:39:55,516 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:55,756 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:55,973 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:56,189 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:56,291 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:39:56,592 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 17:39:56,786 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:39:56,975 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:39:57,173 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:39:57,365 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 17:39:57,546 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:39:57,723 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:39:57,910 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:39:58,099 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 17:39:58,320 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:58,542 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:58,764 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:58,984 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 17:39:59,048 INFO L158 LiptonReduction]: Checked pairs total: 24508 [2021-04-28 17:39:59,049 INFO L160 LiptonReduction]: Total number of compositions: 289 [2021-04-28 17:39:59,054 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50760 [2021-04-28 17:39:59,083 INFO L129 PetriNetUnfolder]: 0/93 cut-off events. [2021-04-28 17:39:59,083 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:39:59,083 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:39:59,084 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:39:59,084 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:39:59,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:39:59,091 INFO L82 PathProgramCache]: Analyzing trace with hash -463416801, now seen corresponding path program 1 times [2021-04-28 17:39:59,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:39:59,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266707162] [2021-04-28 17:39:59,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:39:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:39:59,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:39:59,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:39:59,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:39:59,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266707162] [2021-04-28 17:39:59,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:39:59,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:39:59,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617292811] [2021-04-28 17:39:59,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:39:59,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:39:59,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:39:59,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:39:59,450 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 407 [2021-04-28 17:39:59,456 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 140 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 336.6666666666667) internal successors, (1010), 3 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:39:59,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:39:59,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 407 [2021-04-28 17:39:59,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:39:59,566 INFO L129 PetriNetUnfolder]: 13/174 cut-off events. [2021-04-28 17:39:59,567 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:39:59,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 174 events. 13/174 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 1020 event pairs, 1 based on Foata normal form. 15/71 useless extension candidates. Maximal degree in co-relation 148. Up to 25 conditions per place. [2021-04-28 17:39:59,570 INFO L132 encePairwiseOnDemand]: 392/407 looper letters, 6 selfloop transitions, 2 changer transitions 64/138 dead transitions. [2021-04-28 17:39:59,571 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 138 transitions, 322 flow [2021-04-28 17:39:59,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:39:59,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:39:59,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1032 transitions. [2021-04-28 17:39:59,591 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8452088452088452 [2021-04-28 17:39:59,592 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1032 transitions. [2021-04-28 17:39:59,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1032 transitions. [2021-04-28 17:39:59,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:39:59,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1032 transitions. [2021-04-28 17:39:59,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:39:59,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:39:59,643 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:39:59,645 INFO L185 Difference]: Start difference. First operand has 152 places, 140 transitions, 292 flow. Second operand 3 states and 1032 transitions. [2021-04-28 17:39:59,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 138 transitions, 322 flow [2021-04-28 17:39:59,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 138 transitions, 318 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 17:39:59,658 INFO L241 Difference]: Finished difference. Result has 147 places, 72 transitions, 156 flow [2021-04-28 17:39:59,660 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=147, PETRI_TRANSITIONS=72} [2021-04-28 17:39:59,661 INFO L343 CegarLoopForPetriNet]: 152 programPoint places, -5 predicate places. [2021-04-28 17:39:59,661 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:39:59,661 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 72 transitions, 156 flow [2021-04-28 17:39:59,663 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 72 transitions, 156 flow [2021-04-28 17:39:59,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 72 transitions, 156 flow [2021-04-28 17:39:59,682 INFO L129 PetriNetUnfolder]: 0/72 cut-off events. [2021-04-28 17:39:59,682 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:39:59,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 72 events. 0/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 328 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 17:39:59,684 INFO L146 LiptonReduction]: Number of co-enabled transitions 2694 [2021-04-28 17:39:59,817 INFO L158 LiptonReduction]: Checked pairs total: 3620 [2021-04-28 17:39:59,817 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:39:59,817 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 156 [2021-04-28 17:39:59,825 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 72 transitions, 156 flow [2021-04-28 17:39:59,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 336.6666666666667) internal successors, (1010), 3 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:39:59,826 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:39:59,826 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:39:59,826 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 17:39:59,827 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:39:59,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:39:59,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1333118541, now seen corresponding path program 1 times [2021-04-28 17:39:59,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:39:59,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821399380] [2021-04-28 17:39:59,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:39:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:39:59,946 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 17:39:59,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 17:39:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:39:59,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821399380] [2021-04-28 17:39:59,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:39:59,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 17:39:59,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771145918] [2021-04-28 17:39:59,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 17:39:59,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:39:59,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 17:39:59,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 17:39:59,963 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 407 [2021-04-28 17:39:59,964 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 72 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 259.6666666666667) internal successors, (779), 3 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:39:59,964 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:39:59,964 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 407 [2021-04-28 17:39:59,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:40:01,333 INFO L129 PetriNetUnfolder]: 2761/6201 cut-off events. [2021-04-28 17:40:01,333 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:40:01,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10364 conditions, 6201 events. 2761/6201 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 912. Compared 64000 event pairs, 1109 based on Foata normal form. 0/4145 useless extension candidates. Maximal degree in co-relation 10355. Up to 3707 conditions per place. [2021-04-28 17:40:01,365 INFO L132 encePairwiseOnDemand]: 385/407 looper letters, 7 selfloop transitions, 5 changer transitions 50/101 dead transitions. [2021-04-28 17:40:01,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 101 transitions, 338 flow [2021-04-28 17:40:01,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:40:01,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:40:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 836 transitions. [2021-04-28 17:40:01,369 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6846846846846847 [2021-04-28 17:40:01,369 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 836 transitions. [2021-04-28 17:40:01,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 836 transitions. [2021-04-28 17:40:01,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:40:01,370 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 836 transitions. [2021-04-28 17:40:01,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 278.6666666666667) internal successors, (836), 3 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:01,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:01,379 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:01,379 INFO L185 Difference]: Start difference. First operand has 83 places, 72 transitions, 156 flow. Second operand 3 states and 836 transitions. [2021-04-28 17:40:01,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 101 transitions, 338 flow [2021-04-28 17:40:01,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 101 transitions, 334 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:40:01,382 INFO L241 Difference]: Finished difference. Result has 84 places, 51 transitions, 139 flow [2021-04-28 17:40:01,382 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=139, PETRI_PLACES=84, PETRI_TRANSITIONS=51} [2021-04-28 17:40:01,383 INFO L343 CegarLoopForPetriNet]: 152 programPoint places, -68 predicate places. [2021-04-28 17:40:01,383 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:40:01,383 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 51 transitions, 139 flow [2021-04-28 17:40:01,384 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 51 transitions, 139 flow [2021-04-28 17:40:01,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 51 transitions, 139 flow [2021-04-28 17:40:01,452 INFO L129 PetriNetUnfolder]: 129/400 cut-off events. [2021-04-28 17:40:01,452 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 17:40:01,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 615 conditions, 400 events. 129/400 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2607 event pairs, 81 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 607. Up to 200 conditions per place. [2021-04-28 17:40:01,463 INFO L146 LiptonReduction]: Number of co-enabled transitions 1462 [2021-04-28 17:40:01,485 INFO L158 LiptonReduction]: Checked pairs total: 585 [2021-04-28 17:40:01,486 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:40:01,486 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103 [2021-04-28 17:40:01,488 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 139 flow [2021-04-28 17:40:01,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 259.6666666666667) internal successors, (779), 3 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:01,489 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:40:01,489 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:40:01,489 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 17:40:01,489 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:40:01,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:40:01,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1226577466, now seen corresponding path program 1 times [2021-04-28 17:40:01,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:40:01,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671355109] [2021-04-28 17:40:01,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:40:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:40:01,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:40:01,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:40:01,587 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 17:40:01,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 17:40:01,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:40:01,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671355109] [2021-04-28 17:40:01,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:40:01,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 17:40:01,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113422246] [2021-04-28 17:40:01,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:40:01,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:40:01,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:40:01,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:40:01,609 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 407 [2021-04-28 17:40:01,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 139 flow. Second operand has 4 states, 4 states have (on average 259.75) internal successors, (1039), 4 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:01,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:40:01,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 407 [2021-04-28 17:40:01,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:40:01,698 INFO L129 PetriNetUnfolder]: 101/259 cut-off events. [2021-04-28 17:40:01,699 INFO L130 PetriNetUnfolder]: For 21/135 co-relation queries the response was YES. [2021-04-28 17:40:01,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 597 conditions, 259 events. 101/259 cut-off events. For 21/135 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1272 event pairs, 15 based on Foata normal form. 4/204 useless extension candidates. Maximal degree in co-relation 587. Up to 161 conditions per place. [2021-04-28 17:40:01,703 INFO L132 encePairwiseOnDemand]: 404/407 looper letters, 13 selfloop transitions, 3 changer transitions 0/55 dead transitions. [2021-04-28 17:40:01,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 55 transitions, 187 flow [2021-04-28 17:40:01,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:40:01,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:40:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-04-28 17:40:01,707 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.647010647010647 [2021-04-28 17:40:01,707 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-04-28 17:40:01,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-04-28 17:40:01,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:40:01,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-04-28 17:40:01,710 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) [2021-04-28 17:40:01,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:01,715 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:01,715 INFO L185 Difference]: Start difference. First operand has 59 places, 51 transitions, 139 flow. Second operand 3 states and 790 transitions. [2021-04-28 17:40:01,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 55 transitions, 187 flow [2021-04-28 17:40:01,717 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 55 transitions, 182 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 17:40:01,718 INFO L241 Difference]: Finished difference. Result has 61 places, 51 transitions, 145 flow [2021-04-28 17:40:01,718 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=145, PETRI_PLACES=61, PETRI_TRANSITIONS=51} [2021-04-28 17:40:01,719 INFO L343 CegarLoopForPetriNet]: 152 programPoint places, -91 predicate places. [2021-04-28 17:40:01,719 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:40:01,719 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 51 transitions, 145 flow [2021-04-28 17:40:01,719 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 51 transitions, 145 flow [2021-04-28 17:40:01,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 51 transitions, 145 flow [2021-04-28 17:40:01,771 INFO L129 PetriNetUnfolder]: 101/280 cut-off events. [2021-04-28 17:40:01,771 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2021-04-28 17:40:01,773 INFO L84 FinitePrefix]: Finished finitePrefix Result has 502 conditions, 280 events. 101/280 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1537 event pairs, 65 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 492. Up to 161 conditions per place. [2021-04-28 17:40:01,780 INFO L146 LiptonReduction]: Number of co-enabled transitions 1458 [2021-04-28 17:40:01,787 INFO L158 LiptonReduction]: Checked pairs total: 583 [2021-04-28 17:40:01,787 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:40:01,787 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-04-28 17:40:01,789 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 51 transitions, 145 flow [2021-04-28 17:40:01,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 259.75) internal successors, (1039), 4 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:01,791 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:40:01,791 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:40:01,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 17:40:01,791 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:40:01,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:40:01,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1226604994, now seen corresponding path program 1 times [2021-04-28 17:40:01,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:40:01,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937522563] [2021-04-28 17:40:01,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:40:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:40:01,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:40:01,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:40:01,871 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 17:40:01,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 17:40:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:40:01,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937522563] [2021-04-28 17:40:01,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:40:01,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 17:40:01,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892685652] [2021-04-28 17:40:01,885 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:40:01,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:40:01,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:40:01,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:40:01,888 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 407 [2021-04-28 17:40:01,890 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 51 transitions, 145 flow. Second operand has 4 states, 4 states have (on average 259.75) internal successors, (1039), 4 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:01,890 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:40:01,890 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 407 [2021-04-28 17:40:01,890 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:40:01,967 INFO L129 PetriNetUnfolder]: 81/287 cut-off events. [2021-04-28 17:40:01,967 INFO L130 PetriNetUnfolder]: For 51/101 co-relation queries the response was YES. [2021-04-28 17:40:01,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 607 conditions, 287 events. 81/287 cut-off events. For 51/101 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1639 event pairs, 44 based on Foata normal form. 10/208 useless extension candidates. Maximal degree in co-relation 595. Up to 133 conditions per place. [2021-04-28 17:40:01,972 INFO L132 encePairwiseOnDemand]: 404/407 looper letters, 13 selfloop transitions, 3 changer transitions 0/55 dead transitions. [2021-04-28 17:40:01,972 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 55 transitions, 196 flow [2021-04-28 17:40:01,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 17:40:01,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 17:40:01,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 790 transitions. [2021-04-28 17:40:01,975 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.647010647010647 [2021-04-28 17:40:01,975 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 790 transitions. [2021-04-28 17:40:01,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 790 transitions. [2021-04-28 17:40:01,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:40:01,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 790 transitions. [2021-04-28 17:40:01,978 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) [2021-04-28 17:40:01,982 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:01,983 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 407.0) internal successors, (1628), 4 states have internal predecessors, (1628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:01,983 INFO L185 Difference]: Start difference. First operand has 61 places, 51 transitions, 145 flow. Second operand 3 states and 790 transitions. [2021-04-28 17:40:01,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 55 transitions, 196 flow [2021-04-28 17:40:01,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 55 transitions, 188 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:40:01,987 INFO L241 Difference]: Finished difference. Result has 62 places, 51 transitions, 150 flow [2021-04-28 17:40:01,987 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=150, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2021-04-28 17:40:01,987 INFO L343 CegarLoopForPetriNet]: 152 programPoint places, -90 predicate places. [2021-04-28 17:40:01,987 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:40:01,987 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 51 transitions, 150 flow [2021-04-28 17:40:01,988 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 51 transitions, 150 flow [2021-04-28 17:40:01,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 51 transitions, 150 flow [2021-04-28 17:40:02,037 INFO L129 PetriNetUnfolder]: 81/308 cut-off events. [2021-04-28 17:40:02,037 INFO L130 PetriNetUnfolder]: For 59/70 co-relation queries the response was YES. [2021-04-28 17:40:02,039 INFO L84 FinitePrefix]: Finished finitePrefix Result has 523 conditions, 308 events. 81/308 cut-off events. For 59/70 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1914 event pairs, 63 based on Foata normal form. 1/204 useless extension candidates. Maximal degree in co-relation 512. Up to 133 conditions per place. [2021-04-28 17:40:02,046 INFO L146 LiptonReduction]: Number of co-enabled transitions 1454 [2021-04-28 17:40:02,051 INFO L158 LiptonReduction]: Checked pairs total: 581 [2021-04-28 17:40:02,051 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:40:02,051 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-04-28 17:40:02,053 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 150 flow [2021-04-28 17:40:02,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 259.75) internal successors, (1039), 4 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:02,054 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:40:02,054 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:40:02,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 17:40:02,055 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:40:02,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:40:02,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1946773282, now seen corresponding path program 1 times [2021-04-28 17:40:02,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:40:02,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801526944] [2021-04-28 17:40:02,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:40:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:40:02,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:40:02,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:40:02,163 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:40:02,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:40:02,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:40:02,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:40:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:40:02,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801526944] [2021-04-28 17:40:02,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:40:02,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:40:02,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106045927] [2021-04-28 17:40:02,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:40:02,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:40:02,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:40:02,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:40:02,176 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 407 [2021-04-28 17:40:02,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 150 flow. Second operand has 4 states, 4 states have (on average 311.75) internal successors, (1247), 4 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:02,178 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:40:02,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 407 [2021-04-28 17:40:02,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:40:06,043 INFO L129 PetriNetUnfolder]: 23437/35122 cut-off events. [2021-04-28 17:40:06,043 INFO L130 PetriNetUnfolder]: For 1833/1866 co-relation queries the response was YES. [2021-04-28 17:40:06,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71396 conditions, 35122 events. 23437/35122 cut-off events. For 1833/1866 co-relation queries the response was YES. Maximal size of possible extension queue 5112. Compared 306613 event pairs, 12322 based on Foata normal form. 649/10642 useless extension candidates. Maximal degree in co-relation 71383. Up to 22030 conditions per place. [2021-04-28 17:40:06,429 INFO L132 encePairwiseOnDemand]: 387/407 looper letters, 34 selfloop transitions, 33 changer transitions 0/95 dead transitions. [2021-04-28 17:40:06,430 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 95 transitions, 372 flow [2021-04-28 17:40:06,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:40:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:40:06,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1621 transitions. [2021-04-28 17:40:06,436 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7965601965601966 [2021-04-28 17:40:06,436 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1621 transitions. [2021-04-28 17:40:06,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1621 transitions. [2021-04-28 17:40:06,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:40:06,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1621 transitions. [2021-04-28 17:40:06,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 324.2) internal successors, (1621), 5 states have internal predecessors, (1621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:06,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 407.0) internal successors, (2442), 6 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:06,451 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 407.0) internal successors, (2442), 6 states have internal predecessors, (2442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:06,451 INFO L185 Difference]: Start difference. First operand has 62 places, 51 transitions, 150 flow. Second operand 5 states and 1621 transitions. [2021-04-28 17:40:06,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 95 transitions, 372 flow [2021-04-28 17:40:06,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 95 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 17:40:06,462 INFO L241 Difference]: Finished difference. Result has 67 places, 82 transitions, 390 flow [2021-04-28 17:40:06,462 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=390, PETRI_PLACES=67, PETRI_TRANSITIONS=82} [2021-04-28 17:40:06,462 INFO L343 CegarLoopForPetriNet]: 152 programPoint places, -85 predicate places. [2021-04-28 17:40:06,462 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:40:06,462 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 82 transitions, 390 flow [2021-04-28 17:40:06,463 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 82 transitions, 390 flow [2021-04-28 17:40:06,464 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 82 transitions, 390 flow [2021-04-28 17:40:09,076 INFO L129 PetriNetUnfolder]: 18940/28589 cut-off events. [2021-04-28 17:40:09,076 INFO L130 PetriNetUnfolder]: For 7303/85573 co-relation queries the response was YES. [2021-04-28 17:40:09,204 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81901 conditions, 28589 events. 18940/28589 cut-off events. For 7303/85573 co-relation queries the response was YES. Maximal size of possible extension queue 4993. Compared 254580 event pairs, 10833 based on Foata normal form. 4/8581 useless extension candidates. Maximal degree in co-relation 81887. Up to 26390 conditions per place. [2021-04-28 17:40:09,637 INFO L146 LiptonReduction]: Number of co-enabled transitions 1996 [2021-04-28 17:40:37,554 INFO L158 LiptonReduction]: Checked pairs total: 1006 [2021-04-28 17:40:37,555 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:40:37,555 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31093 [2021-04-28 17:40:37,557 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 82 transitions, 390 flow [2021-04-28 17:40:37,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 311.75) internal successors, (1247), 4 states have internal predecessors, (1247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:37,558 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:40:37,558 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:40:37,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 17:40:37,558 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:40:37,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:40:37,559 INFO L82 PathProgramCache]: Analyzing trace with hash -233012425, now seen corresponding path program 1 times [2021-04-28 17:40:37,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:40:37,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006334320] [2021-04-28 17:40:37,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:40:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:40:37,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:40:37,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:40:37,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:40:37,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:40:37,651 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:40:37,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:40:37,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:40:37,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:40:37,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:40:37,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006334320] [2021-04-28 17:40:37,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:40:37,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 17:40:37,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826224164] [2021-04-28 17:40:37,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:40:37,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:40:37,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:40:37,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:40:37,666 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 407 [2021-04-28 17:40:37,668 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 82 transitions, 390 flow. Second operand has 5 states, 5 states have (on average 311.8) internal successors, (1559), 5 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:37,668 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:40:37,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 407 [2021-04-28 17:40:37,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:40:40,934 INFO L129 PetriNetUnfolder]: 25078/39973 cut-off events. [2021-04-28 17:40:40,934 INFO L130 PetriNetUnfolder]: For 14254/290386 co-relation queries the response was YES. [2021-04-28 17:40:41,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152686 conditions, 39973 events. 25078/39973 cut-off events. For 14254/290386 co-relation queries the response was YES. Maximal size of possible extension queue 6147. Compared 376504 event pairs, 4993 based on Foata normal form. 825/13651 useless extension candidates. Maximal degree in co-relation 152670. Up to 36647 conditions per place. [2021-04-28 17:40:41,296 INFO L132 encePairwiseOnDemand]: 387/407 looper letters, 35 selfloop transitions, 64 changer transitions 0/127 dead transitions. [2021-04-28 17:40:41,297 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 127 transitions, 837 flow [2021-04-28 17:40:41,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 17:40:41,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 17:40:41,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2273 transitions. [2021-04-28 17:40:41,305 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7978237978237979 [2021-04-28 17:40:41,305 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2273 transitions. [2021-04-28 17:40:41,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2273 transitions. [2021-04-28 17:40:41,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:40:41,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2273 transitions. [2021-04-28 17:40:41,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 324.7142857142857) internal successors, (2273), 7 states have internal predecessors, (2273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:41,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 407.0) internal successors, (3256), 8 states have internal predecessors, (3256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:41,323 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 407.0) internal successors, (3256), 8 states have internal predecessors, (3256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:40:41,324 INFO L185 Difference]: Start difference. First operand has 67 places, 82 transitions, 390 flow. Second operand 7 states and 2273 transitions. [2021-04-28 17:40:41,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 127 transitions, 837 flow [2021-04-28 17:40:41,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 127 transitions, 837 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 17:40:41,398 INFO L241 Difference]: Finished difference. Result has 76 places, 113 transitions, 832 flow [2021-04-28 17:40:41,399 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=832, PETRI_PLACES=76, PETRI_TRANSITIONS=113} [2021-04-28 17:40:41,399 INFO L343 CegarLoopForPetriNet]: 152 programPoint places, -76 predicate places. [2021-04-28 17:40:41,399 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:40:41,399 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 113 transitions, 832 flow [2021-04-28 17:40:41,400 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 113 transitions, 832 flow [2021-04-28 17:40:41,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 113 transitions, 832 flow [2021-04-28 17:40:45,372 INFO L129 PetriNetUnfolder]: 22930/37515 cut-off events. [2021-04-28 17:40:45,372 INFO L130 PetriNetUnfolder]: For 29543/218893 co-relation queries the response was YES. [2021-04-28 17:40:45,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 175970 conditions, 37515 events. 22930/37515 cut-off events. For 29543/218893 co-relation queries the response was YES. Maximal size of possible extension queue 5983. Compared 370018 event pairs, 4849 based on Foata normal form. 23/11672 useless extension candidates. Maximal degree in co-relation 175951. Up to 35147 conditions per place. [2021-04-28 17:40:46,039 INFO L146 LiptonReduction]: Number of co-enabled transitions 2830 [2021-04-28 17:41:08,580 INFO L158 LiptonReduction]: Checked pairs total: 1917 [2021-04-28 17:41:08,580 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:41:08,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27181 [2021-04-28 17:41:08,585 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 113 transitions, 832 flow [2021-04-28 17:41:08,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 311.8) internal successors, (1559), 5 states have internal predecessors, (1559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:41:08,587 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:41:08,587 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:41:08,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 17:41:08,587 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:41:08,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:41:08,588 INFO L82 PathProgramCache]: Analyzing trace with hash -910788123, now seen corresponding path program 1 times [2021-04-28 17:41:08,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:41:08,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321025772] [2021-04-28 17:41:08,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:41:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:41:08,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:41:08,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:41:08,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:41:08,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:41:08,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:41:08,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:41:08,729 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 17:41:08,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 17:41:08,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:41:08,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321025772] [2021-04-28 17:41:08,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:41:08,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 17:41:08,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573695124] [2021-04-28 17:41:08,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 17:41:08,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:41:08,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 17:41:08,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 17:41:08,757 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 407 [2021-04-28 17:41:08,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 113 transitions, 832 flow. Second operand has 5 states, 5 states have (on average 248.4) internal successors, (1242), 5 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:41:08,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:41:08,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 407 [2021-04-28 17:41:08,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:41:16,193 INFO L129 PetriNetUnfolder]: 39258/61830 cut-off events. [2021-04-28 17:41:16,193 INFO L130 PetriNetUnfolder]: For 56260/4320884 co-relation queries the response was YES. [2021-04-28 17:41:16,467 INFO L84 FinitePrefix]: Finished finitePrefix Result has 293079 conditions, 61830 events. 39258/61830 cut-off events. For 56260/4320884 co-relation queries the response was YES. Maximal size of possible extension queue 12663. Compared 615096 event pairs, 8264 based on Foata normal form. 457/17853 useless extension candidates. Maximal degree in co-relation 293058. Up to 58928 conditions per place. [2021-04-28 17:41:16,856 INFO L132 encePairwiseOnDemand]: 400/407 looper letters, 15 selfloop transitions, 11 changer transitions 0/126 dead transitions. [2021-04-28 17:41:16,856 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 126 transitions, 938 flow [2021-04-28 17:41:16,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 17:41:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 17:41:16,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1509 transitions. [2021-04-28 17:41:16,870 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6179361179361179 [2021-04-28 17:41:16,870 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1509 transitions. [2021-04-28 17:41:16,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1509 transitions. [2021-04-28 17:41:16,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:41:16,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1509 transitions. [2021-04-28 17:41:16,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.5) internal successors, (1509), 6 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:41:16,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 407.0) internal successors, (2849), 7 states have internal predecessors, (2849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:41:16,894 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 407.0) internal successors, (2849), 7 states have internal predecessors, (2849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:41:16,894 INFO L185 Difference]: Start difference. First operand has 76 places, 113 transitions, 832 flow. Second operand 6 states and 1509 transitions. [2021-04-28 17:41:16,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 126 transitions, 938 flow [2021-04-28 17:41:22,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 126 transitions, 776 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 17:41:22,500 INFO L241 Difference]: Finished difference. Result has 80 places, 118 transitions, 722 flow [2021-04-28 17:41:22,500 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=407, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=722, PETRI_PLACES=80, PETRI_TRANSITIONS=118} [2021-04-28 17:41:22,501 INFO L343 CegarLoopForPetriNet]: 152 programPoint places, -72 predicate places. [2021-04-28 17:41:22,501 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:41:22,501 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 118 transitions, 722 flow [2021-04-28 17:41:22,501 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 118 transitions, 722 flow [2021-04-28 17:41:22,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 118 transitions, 722 flow [2021-04-28 17:41:29,194 INFO L129 PetriNetUnfolder]: 43154/69291 cut-off events. [2021-04-28 17:41:29,194 INFO L130 PetriNetUnfolder]: For 76382/219939 co-relation queries the response was YES. [2021-04-28 17:41:29,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 302013 conditions, 69291 events. 43154/69291 cut-off events. For 76382/219939 co-relation queries the response was YES. Maximal size of possible extension queue 10707. Compared 713447 event pairs, 9036 based on Foata normal form. 32/21027 useless extension candidates. Maximal degree in co-relation 301992. Up to 57550 conditions per place. [2021-04-28 17:41:30,318 INFO L146 LiptonReduction]: Number of co-enabled transitions 3062 [2021-04-28 17:44:08,451 INFO L158 LiptonReduction]: Checked pairs total: 6571 [2021-04-28 17:44:08,452 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 17:44:08,452 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 165951 [2021-04-28 17:44:08,453 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 120 transitions, 733 flow [2021-04-28 17:44:08,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 248.4) internal successors, (1242), 5 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:44:08,454 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:44:08,454 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 17:44:08,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 17:44:08,454 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:44:08,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:44:08,455 INFO L82 PathProgramCache]: Analyzing trace with hash 986547193, now seen corresponding path program 1 times [2021-04-28 17:44:08,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:44:08,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913347539] [2021-04-28 17:44:08,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:44:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:44:08,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:44:08,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:44:08,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:44:08,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:44:08,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:44:08,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:44:08,572 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:44:08,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:44:08,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:44:08,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:44:08,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:44:08,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913347539] [2021-04-28 17:44:08,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:44:08,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 17:44:08,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733403886] [2021-04-28 17:44:08,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 17:44:08,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:44:08,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 17:44:08,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 17:44:08,588 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 409 [2021-04-28 17:44:08,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 120 transitions, 733 flow. Second operand has 6 states, 6 states have (on average 313.8333333333333) internal successors, (1883), 6 states have internal predecessors, (1883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:44:08,590 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:44:08,591 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 409 [2021-04-28 17:44:08,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:44:16,255 INFO L129 PetriNetUnfolder]: 43764/73447 cut-off events. [2021-04-28 17:44:16,256 INFO L130 PetriNetUnfolder]: For 88398/620976 co-relation queries the response was YES. [2021-04-28 17:44:16,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 389294 conditions, 73447 events. 43764/73447 cut-off events. For 88398/620976 co-relation queries the response was YES. Maximal size of possible extension queue 12024. Compared 786153 event pairs, 1508 based on Foata normal form. 1593/24642 useless extension candidates. Maximal degree in co-relation 389271. Up to 59725 conditions per place. [2021-04-28 17:44:17,695 INFO L132 encePairwiseOnDemand]: 389/409 looper letters, 24 selfloop transitions, 95 changer transitions 13/165 dead transitions. [2021-04-28 17:44:17,695 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 165 transitions, 1397 flow [2021-04-28 17:44:17,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 17:44:17,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 17:44:17,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2943 transitions. [2021-04-28 17:44:17,704 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7995110024449877 [2021-04-28 17:44:17,705 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2943 transitions. [2021-04-28 17:44:17,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2943 transitions. [2021-04-28 17:44:17,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:44:17,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2943 transitions. [2021-04-28 17:44:17,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 327.0) internal successors, (2943), 9 states have internal predecessors, (2943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:44:17,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 409.0) internal successors, (4090), 10 states have internal predecessors, (4090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:44:17,726 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 409.0) internal successors, (4090), 10 states have internal predecessors, (4090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:44:17,726 INFO L185 Difference]: Start difference. First operand has 82 places, 120 transitions, 733 flow. Second operand 9 states and 2943 transitions. [2021-04-28 17:44:17,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 165 transitions, 1397 flow [2021-04-28 17:44:25,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 165 transitions, 1389 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 17:44:25,522 INFO L241 Difference]: Finished difference. Result has 92 places, 149 transitions, 1304 flow [2021-04-28 17:44:25,522 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=718, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1304, PETRI_PLACES=92, PETRI_TRANSITIONS=149} [2021-04-28 17:44:25,522 INFO L343 CegarLoopForPetriNet]: 152 programPoint places, -60 predicate places. [2021-04-28 17:44:25,522 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:44:25,523 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 149 transitions, 1304 flow [2021-04-28 17:44:25,523 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 149 transitions, 1304 flow [2021-04-28 17:44:25,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 149 transitions, 1304 flow [2021-04-28 17:44:32,051 INFO L129 PetriNetUnfolder]: 31307/56888 cut-off events. [2021-04-28 17:44:32,051 INFO L130 PetriNetUnfolder]: For 341442/617942 co-relation queries the response was YES. [2021-04-28 17:44:32,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 327908 conditions, 56888 events. 31307/56888 cut-off events. For 341442/617942 co-relation queries the response was YES. Maximal size of possible extension queue 10606. Compared 693444 event pairs, 1419 based on Foata normal form. 1/16979 useless extension candidates. Maximal degree in co-relation 327883. Up to 45388 conditions per place. [2021-04-28 17:44:33,096 INFO L146 LiptonReduction]: Number of co-enabled transitions 3562 [2021-04-28 17:45:16,261 INFO L158 LiptonReduction]: Checked pairs total: 3135 [2021-04-28 17:45:16,261 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:45:16,261 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50739 [2021-04-28 17:45:16,263 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 149 transitions, 1304 flow [2021-04-28 17:45:16,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 313.8333333333333) internal successors, (1883), 6 states have internal predecessors, (1883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:45:16,264 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:45:16,264 INFO L263 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] [2021-04-28 17:45:16,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 17:45:16,264 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:45:16,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:45:16,265 INFO L82 PathProgramCache]: Analyzing trace with hash 665699537, now seen corresponding path program 1 times [2021-04-28 17:45:16,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:45:16,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947582559] [2021-04-28 17:45:16,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:45:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:45:16,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:45:16,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:45:16,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:45:16,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:45:16,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:45:16,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:45:16,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:45:16,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:45:16,406 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 17:45:16,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 17:45:16,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:45:16,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:45:16,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:45:16,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947582559] [2021-04-28 17:45:16,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:45:16,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 17:45:16,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231897470] [2021-04-28 17:45:16,418 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 17:45:16,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:45:16,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 17:45:16,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 17:45:16,422 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 409 [2021-04-28 17:45:16,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 149 transitions, 1304 flow. Second operand has 7 states, 7 states have (on average 313.85714285714283) internal successors, (2197), 7 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:45:16,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:45:16,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 409 [2021-04-28 17:45:16,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:45:24,552 INFO L129 PetriNetUnfolder]: 31938/58407 cut-off events. [2021-04-28 17:45:24,553 INFO L130 PetriNetUnfolder]: For 145643/830146 co-relation queries the response was YES. [2021-04-28 17:45:24,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 389783 conditions, 58407 events. 31938/58407 cut-off events. For 145643/830146 co-relation queries the response was YES. Maximal size of possible extension queue 11142. Compared 675471 event pairs, 50 based on Foata normal form. 1086/18762 useless extension candidates. Maximal degree in co-relation 389756. Up to 45496 conditions per place. [2021-04-28 17:45:25,027 INFO L132 encePairwiseOnDemand]: 389/409 looper letters, 6 selfloop transitions, 113 changer transitions 21/172 dead transitions. [2021-04-28 17:45:25,027 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 172 transitions, 1792 flow [2021-04-28 17:45:25,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 17:45:25,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 17:45:25,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3575 transitions. [2021-04-28 17:45:25,039 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7946210268948656 [2021-04-28 17:45:25,039 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3575 transitions. [2021-04-28 17:45:25,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3575 transitions. [2021-04-28 17:45:25,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:45:25,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3575 transitions. [2021-04-28 17:45:25,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 325.0) internal successors, (3575), 11 states have internal predecessors, (3575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:45:25,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 409.0) internal successors, (4908), 12 states have internal predecessors, (4908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:45:25,061 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 409.0) internal successors, (4908), 12 states have internal predecessors, (4908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:45:25,062 INFO L185 Difference]: Start difference. First operand has 90 places, 149 transitions, 1304 flow. Second operand 11 states and 3575 transitions. [2021-04-28 17:45:25,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 172 transitions, 1792 flow [2021-04-28 17:47:52,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 172 transitions, 1446 flow, removed 111 selfloop flow, removed 7 redundant places. [2021-04-28 17:47:52,884 INFO L241 Difference]: Finished difference. Result has 96 places, 148 transitions, 1235 flow [2021-04-28 17:47:52,884 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=409, PETRI_DIFFERENCE_MINUEND_FLOW=959, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1235, PETRI_PLACES=96, PETRI_TRANSITIONS=148} [2021-04-28 17:47:52,884 INFO L343 CegarLoopForPetriNet]: 152 programPoint places, -56 predicate places. [2021-04-28 17:47:52,884 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 17:47:52,885 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 148 transitions, 1235 flow [2021-04-28 17:47:52,885 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 148 transitions, 1235 flow [2021-04-28 17:47:52,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 94 places, 148 transitions, 1235 flow [2021-04-28 17:47:56,808 INFO L129 PetriNetUnfolder]: 25841/48629 cut-off events. [2021-04-28 17:47:56,808 INFO L130 PetriNetUnfolder]: For 237071/401692 co-relation queries the response was YES. [2021-04-28 17:47:57,157 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216874 conditions, 48629 events. 25841/48629 cut-off events. For 237071/401692 co-relation queries the response was YES. Maximal size of possible extension queue 10488. Compared 606089 event pairs, 31 based on Foata normal form. 1/14030 useless extension candidates. Maximal degree in co-relation 216848. Up to 29376 conditions per place. [2021-04-28 17:47:57,647 INFO L146 LiptonReduction]: Number of co-enabled transitions 3426 [2021-04-28 17:49:02,362 INFO L158 LiptonReduction]: Checked pairs total: 3035 [2021-04-28 17:49:02,362 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 17:49:02,362 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 69478 [2021-04-28 17:49:02,364 INFO L480 AbstractCegarLoop]: Abstraction has has 94 places, 148 transitions, 1235 flow [2021-04-28 17:49:02,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 313.85714285714283) internal successors, (2197), 7 states have internal predecessors, (2197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:49:02,365 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 17:49:02,365 INFO L263 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] [2021-04-28 17:49:02,365 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 17:49:02,365 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 17:49:02,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 17:49:02,366 INFO L82 PathProgramCache]: Analyzing trace with hash -949436211, now seen corresponding path program 1 times [2021-04-28 17:49:02,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 17:49:02,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986423789] [2021-04-28 17:49:02,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 17:49:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 17:49:02,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:49:02,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 17:49:02,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 17:49:02,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 17:49:02,445 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-04-28 17:49:02,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 17:49:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 17:49:02,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986423789] [2021-04-28 17:49:02,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 17:49:02,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 17:49:02,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605927378] [2021-04-28 17:49:02,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 17:49:02,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 17:49:02,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 17:49:02,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 17:49:02,464 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 409 [2021-04-28 17:49:02,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 148 transitions, 1235 flow. Second operand has 4 states, 4 states have (on average 256.25) internal successors, (1025), 4 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:49:02,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 17:49:02,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 409 [2021-04-28 17:49:02,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 17:49:10,896 INFO L129 PetriNetUnfolder]: 46534/86924 cut-off events. [2021-04-28 17:49:10,896 INFO L130 PetriNetUnfolder]: For 196456/369934 co-relation queries the response was YES. [2021-04-28 17:49:11,492 INFO L84 FinitePrefix]: Finished finitePrefix Result has 388255 conditions, 86924 events. 46534/86924 cut-off events. For 196456/369934 co-relation queries the response was YES. Maximal size of possible extension queue 18150. Compared 1092580 event pairs, 37 based on Foata normal form. 93/25686 useless extension candidates. Maximal degree in co-relation 388227. Up to 53568 conditions per place. [2021-04-28 17:49:11,706 INFO L132 encePairwiseOnDemand]: 400/409 looper letters, 12 selfloop transitions, 19 changer transitions 0/163 dead transitions. [2021-04-28 17:49:11,707 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 163 transitions, 1367 flow [2021-04-28 17:49:11,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 17:49:11,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 17:49:11,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1293 transitions. [2021-04-28 17:49:11,712 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6322738386308069 [2021-04-28 17:49:11,712 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1293 transitions. [2021-04-28 17:49:11,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1293 transitions. [2021-04-28 17:49:11,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 17:49:11,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1293 transitions. [2021-04-28 17:49:11,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 258.6) internal successors, (1293), 5 states have internal predecessors, (1293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:49:11,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:49:11,721 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 409.0) internal successors, (2454), 6 states have internal predecessors, (2454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 17:49:11,721 INFO L185 Difference]: Start difference. First operand has 94 places, 148 transitions, 1235 flow. Second operand 5 states and 1293 transitions. [2021-04-28 17:49:11,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 163 transitions, 1367 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown