/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/mix047_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 21:36:20,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 21:36:20,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 21:36:20,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 21:36:20,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 21:36:20,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 21:36:20,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 21:36:20,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 21:36:20,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 21:36:20,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 21:36:20,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 21:36:20,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 21:36:20,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 21:36:20,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 21:36:20,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 21:36:20,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 21:36:20,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 21:36:20,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 21:36:20,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 21:36:20,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 21:36:20,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 21:36:20,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 21:36:20,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 21:36:20,487 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 21:36:20,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 21:36:20,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 21:36:20,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 21:36:20,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 21:36:20,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 21:36:20,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 21:36:20,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 21:36:20,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 21:36:20,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 21:36:20,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 21:36:20,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 21:36:20,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 21:36:20,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 21:36:20,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 21:36:20,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 21:36:20,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 21:36:20,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 21:36:20,512 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 21:36:20,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 21:36:20,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 21:36:20,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 21:36:20,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 21:36:20,572 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 21:36:20,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 21:36:20,572 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 21:36:20,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 21:36:20,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 21:36:20,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 21:36:20,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 21:36:20,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 21:36:20,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 21:36:20,575 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 21:36:20,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 21:36:20,576 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 21:36:20,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 21:36:20,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 21:36:20,576 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 21:36:20,577 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 21:36:20,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 21:36:20,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 21:36:20,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 21:36:20,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 21:36:20,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 21:36:20,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 21:36:20,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 21:36:20,579 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 21:36:20,579 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 21:36:20,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 21:36:20,579 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 21:36:21,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 21:36:21,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 21:36:21,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 21:36:21,068 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 21:36:21,069 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 21:36:21,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_pso.oepc.i [2021-04-28 21:36:21,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e143b89a7/367daafaf64c4be88b8436cace842018/FLAG27acf6664 [2021-04-28 21:36:21,800 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 21:36:21,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_pso.oepc.i [2021-04-28 21:36:21,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e143b89a7/367daafaf64c4be88b8436cace842018/FLAG27acf6664 [2021-04-28 21:36:22,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e143b89a7/367daafaf64c4be88b8436cace842018 [2021-04-28 21:36:22,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 21:36:22,160 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 21:36:22,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 21:36:22,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 21:36:22,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 21:36:22,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:36:22" (1/1) ... [2021-04-28 21:36:22,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d9000c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:36:22, skipping insertion in model container [2021-04-28 21:36:22,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:36:22" (1/1) ... [2021-04-28 21:36:22,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 21:36:22,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 21:36:22,499 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/mix047_pso.oepc.i[949,962] [2021-04-28 21:36:22,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:36:22,859 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 21:36:22,879 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/mix047_pso.oepc.i[949,962] [2021-04-28 21:36:22,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:36:23,106 INFO L208 MainTranslator]: Completed translation [2021-04-28 21:36:23,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:36:23 WrapperNode [2021-04-28 21:36:23,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 21:36:23,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 21:36:23,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 21:36:23,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 21:36:23,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:36:23" (1/1) ... [2021-04-28 21:36:23,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:36:23" (1/1) ... [2021-04-28 21:36:23,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 21:36:23,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 21:36:23,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 21:36:23,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 21:36:23,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:36:23" (1/1) ... [2021-04-28 21:36:23,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:36:23" (1/1) ... [2021-04-28 21:36:23,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:36:23" (1/1) ... [2021-04-28 21:36:23,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:36:23" (1/1) ... [2021-04-28 21:36:23,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:36:23" (1/1) ... [2021-04-28 21:36:23,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:36:23" (1/1) ... [2021-04-28 21:36:23,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:36:23" (1/1) ... [2021-04-28 21:36:23,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 21:36:23,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 21:36:23,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 21:36:23,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 21:36:23,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:36:23" (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 21:36:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 21:36:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 21:36:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 21:36:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 21:36:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 21:36:23,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 21:36:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 21:36:23,413 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 21:36:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 21:36:23,414 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 21:36:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 21:36:23,415 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 21:36:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 21:36:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 21:36:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 21:36:23,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 21:36:23,423 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 21:36:26,103 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 21:36:26,103 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 21:36:26,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:36:26 BoogieIcfgContainer [2021-04-28 21:36:26,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 21:36:26,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 21:36:26,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 21:36:26,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 21:36:26,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 09:36:22" (1/3) ... [2021-04-28 21:36:26,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f8ca33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:36:26, skipping insertion in model container [2021-04-28 21:36:26,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:36:23" (2/3) ... [2021-04-28 21:36:26,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f8ca33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:36:26, skipping insertion in model container [2021-04-28 21:36:26,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:36:26" (3/3) ... [2021-04-28 21:36:26,115 INFO L111 eAbstractionObserver]: Analyzing ICFG mix047_pso.oepc.i [2021-04-28 21:36:26,123 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 21:36:26,128 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 21:36:26,129 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 21:36:26,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,175 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,176 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,176 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,176 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,176 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,177 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,177 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,177 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,177 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,177 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,178 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,178 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,178 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,179 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,180 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,180 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,180 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,180 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,181 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,181 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,181 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,181 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,181 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,182 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,183 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,183 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,184 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,184 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,184 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,185 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,185 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,185 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,186 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,187 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,188 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,189 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,189 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,189 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,190 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,190 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,191 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,192 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,193 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,194 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,195 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,195 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,195 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,195 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,195 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,195 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,196 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,196 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,196 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,196 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,196 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,196 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,197 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,197 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,197 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,197 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,197 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,197 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,198 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,198 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,198 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,198 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,198 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,198 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,199 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,199 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,199 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,199 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,199 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,199 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,199 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,200 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,200 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,200 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,200 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,200 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,200 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,201 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,201 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,201 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,201 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,201 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,201 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,201 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,202 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,202 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,208 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,208 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,208 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,208 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,208 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,208 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,208 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,208 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,209 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,209 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,209 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,211 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,212 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,217 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,218 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,218 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,218 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,218 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,220 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,221 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,223 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,224 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,224 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,226 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,227 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,227 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,227 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,227 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,227 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,228 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,228 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,228 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,228 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,228 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,229 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,229 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,229 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,229 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,229 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,229 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,230 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,231 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,232 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,232 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,232 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,232 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,232 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:36:26,234 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 21:36:26,253 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 21:36:26,274 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 21:36:26,275 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 21:36:26,275 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 21:36:26,275 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 21:36:26,275 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 21:36:26,275 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 21:36:26,275 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 21:36:26,276 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 21:36:26,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 118 transitions, 256 flow [2021-04-28 21:36:26,342 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-04-28 21:36:26,343 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:36:26,348 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 3. Compared 89 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 21:36:26,348 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 118 transitions, 256 flow [2021-04-28 21:36:26,354 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 114 transitions, 240 flow [2021-04-28 21:36:26,356 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:36:26,371 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 114 transitions, 240 flow [2021-04-28 21:36:26,376 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 114 transitions, 240 flow [2021-04-28 21:36:26,378 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 240 flow [2021-04-28 21:36:26,406 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-04-28 21:36:26,407 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:36:26,408 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 3. Compared 89 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-04-28 21:36:26,413 INFO L146 LiptonReduction]: Number of co-enabled transitions 2876 [2021-04-28 21:36:30,241 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 21:36:30,359 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:36:30,928 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 21:36:31,198 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:36:32,328 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 21:36:40,259 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:36:42,995 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-04-28 21:36:47,025 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 21:36:47,489 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 21:36:47,596 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 21:36:47,701 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-04-28 21:36:49,635 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:36:49,840 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:36:50,042 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:36:50,164 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:36:50,286 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:36:50,408 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:36:50,526 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:36:50,637 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:36:50,748 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:36:50,856 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:36:50,963 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:36:51,076 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:36:51,290 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:36:51,403 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:36:51,506 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:36:51,641 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:36:51,744 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:36:51,845 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:36:51,960 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:36:52,082 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:36:52,200 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:36:52,323 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:36:52,724 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:36:52,827 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:36:53,071 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:36:53,218 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:36:53,367 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:36:53,514 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:36:53,860 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:36:53,961 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:36:54,453 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:36:54,998 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 21:36:55,165 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 21:36:55,337 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 21:36:55,498 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 21:36:55,698 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:36:57,664 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:36:59,632 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:36:59,764 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:36:59,891 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:37:00,022 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:37:00,142 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:37:00,259 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:37:00,372 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:37:00,486 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:37:01,059 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:37:01,160 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:37:01,261 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:37:01,407 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:37:01,549 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:37:01,692 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:37:01,837 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:37:02,047 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:02,260 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:02,473 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:02,681 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:03,206 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 21:37:03,457 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 21:37:03,960 WARN L205 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2021-04-28 21:37:04,202 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-04-28 21:37:04,443 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:37:04,647 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:37:04,853 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:37:05,061 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:37:05,270 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:05,483 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:05,703 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:05,918 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:06,095 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:37:06,279 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:37:06,457 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:37:06,635 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:37:06,851 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:07,059 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:07,261 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:07,466 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:07,633 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:37:07,822 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:37:08,009 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:37:08,188 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:37:08,422 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:08,656 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:08,885 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:09,115 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:09,288 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:37:09,460 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:37:09,639 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:37:09,815 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 21:37:09,979 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:37:10,145 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:37:10,304 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:37:10,465 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:37:10,659 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:37:10,853 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:37:11,040 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:37:11,227 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:37:11,408 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:37:11,595 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:37:11,785 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:37:11,969 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:37:12,166 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:37:12,344 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:37:12,524 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:37:12,703 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:37:13,255 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:13,470 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:13,686 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:13,908 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:37:14,466 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 21:37:14,727 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 21:37:15,263 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-04-28 21:37:15,521 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-04-28 21:37:15,681 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:37:15,841 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:37:15,991 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:37:16,148 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:37:16,295 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:37:16,444 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:37:16,606 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:37:16,754 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:37:16,959 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:37:17,164 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:37:17,367 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:37:17,570 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:37:17,734 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:37:17,899 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:37:18,071 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:37:18,237 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:37:18,286 INFO L158 LiptonReduction]: Checked pairs total: 28735 [2021-04-28 21:37:18,286 INFO L160 LiptonReduction]: Total number of compositions: 295 [2021-04-28 21:37:18,293 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51937 [2021-04-28 21:37:18,317 INFO L129 PetriNetUnfolder]: 0/60 cut-off events. [2021-04-28 21:37:18,318 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:37:18,318 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:37:18,319 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 21:37:18,319 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:37:18,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:37:18,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1403572, now seen corresponding path program 1 times [2021-04-28 21:37:18,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:37:18,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083025926] [2021-04-28 21:37:18,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:37:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:37:18,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:37:18,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:37:18,578 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 21:37:18,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083025926] [2021-04-28 21:37:18,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:37:18,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:37:18,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972738922] [2021-04-28 21:37:18,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:37:18,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:37:18,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:37:18,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:37:18,611 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 413 [2021-04-28 21:37:18,617 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 144 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 0 states have call successors, (0), 0 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 21:37:18,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:37:18,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 413 [2021-04-28 21:37:18,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:37:18,905 INFO L129 PetriNetUnfolder]: 133/838 cut-off events. [2021-04-28 21:37:18,905 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:37:18,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1074 conditions, 838 events. 133/838 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 7476 event pairs, 110 based on Foata normal form. 69/345 useless extension candidates. Maximal degree in co-relation 989. Up to 153 conditions per place. [2021-04-28 21:37:18,919 INFO L132 encePairwiseOnDemand]: 390/413 looper letters, 11 selfloop transitions, 2 changer transitions 59/145 dead transitions. [2021-04-28 21:37:18,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 145 transitions, 362 flow [2021-04-28 21:37:18,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:37:18,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:37:18,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 979 transitions. [2021-04-28 21:37:18,944 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7901533494753834 [2021-04-28 21:37:18,945 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 979 transitions. [2021-04-28 21:37:18,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 979 transitions. [2021-04-28 21:37:18,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:37:18,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 979 transitions. [2021-04-28 21:37:18,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 0 states have call successors, (0), 0 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 21:37:18,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 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 21:37:18,970 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 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 21:37:18,973 INFO L185 Difference]: Start difference. First operand has 156 places, 144 transitions, 300 flow. Second operand 3 states and 979 transitions. [2021-04-28 21:37:18,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 145 transitions, 362 flow [2021-04-28 21:37:18,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 145 transitions, 358 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 21:37:18,982 INFO L241 Difference]: Finished difference. Result has 151 places, 81 transitions, 174 flow [2021-04-28 21:37:18,985 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=151, PETRI_TRANSITIONS=81} [2021-04-28 21:37:18,986 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -5 predicate places. [2021-04-28 21:37:18,986 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:37:18,986 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 81 transitions, 174 flow [2021-04-28 21:37:18,986 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 81 transitions, 174 flow [2021-04-28 21:37:18,987 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 174 flow [2021-04-28 21:37:18,999 INFO L129 PetriNetUnfolder]: 0/81 cut-off events. [2021-04-28 21:37:18,999 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:37:19,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 81 events. 0/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 401 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 21:37:19,002 INFO L146 LiptonReduction]: Number of co-enabled transitions 3378 [2021-04-28 21:37:19,219 INFO L158 LiptonReduction]: Checked pairs total: 4380 [2021-04-28 21:37:19,219 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:37:19,220 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 234 [2021-04-28 21:37:19,222 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 81 transitions, 174 flow [2021-04-28 21:37:19,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 0 states have call successors, (0), 0 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 21:37:19,224 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:37:19,224 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:37:19,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 21:37:19,224 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:37:19,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:37:19,225 INFO L82 PathProgramCache]: Analyzing trace with hash 226337473, now seen corresponding path program 1 times [2021-04-28 21:37:19,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:37:19,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980298489] [2021-04-28 21:37:19,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:37:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:37:19,403 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 21:37:19,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 21:37:19,416 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 21:37:19,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980298489] [2021-04-28 21:37:19,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:37:19,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:37:19,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366922218] [2021-04-28 21:37:19,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:37:19,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:37:19,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:37:19,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:37:19,422 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 413 [2021-04-28 21:37:19,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 81 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 0 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 21:37:19,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:37:19,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 413 [2021-04-28 21:37:19,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:37:24,117 INFO L129 PetriNetUnfolder]: 13128/30063 cut-off events. [2021-04-28 21:37:24,117 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:37:24,254 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48700 conditions, 30063 events. 13128/30063 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4092. Compared 392254 event pairs, 4316 based on Foata normal form. 0/18279 useless extension candidates. Maximal degree in co-relation 48691. Up to 9724 conditions per place. [2021-04-28 21:37:24,298 INFO L132 encePairwiseOnDemand]: 386/413 looper letters, 11 selfloop transitions, 11 changer transitions 50/115 dead transitions. [2021-04-28 21:37:24,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 115 transitions, 386 flow [2021-04-28 21:37:24,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:37:24,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:37:24,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 786 transitions. [2021-04-28 21:37:24,304 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6343825665859564 [2021-04-28 21:37:24,304 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 786 transitions. [2021-04-28 21:37:24,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 786 transitions. [2021-04-28 21:37:24,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:37:24,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 786 transitions. [2021-04-28 21:37:24,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.0) internal successors, (786), 3 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:37:24,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 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 21:37:24,314 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 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 21:37:24,315 INFO L185 Difference]: Start difference. First operand has 92 places, 81 transitions, 174 flow. Second operand 3 states and 786 transitions. [2021-04-28 21:37:24,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 115 transitions, 386 flow [2021-04-28 21:37:24,316 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 115 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:37:24,319 INFO L241 Difference]: Finished difference. Result has 94 places, 65 transitions, 204 flow [2021-04-28 21:37:24,319 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=94, PETRI_TRANSITIONS=65} [2021-04-28 21:37:24,320 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -62 predicate places. [2021-04-28 21:37:24,320 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:37:24,320 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 65 transitions, 204 flow [2021-04-28 21:37:24,321 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 65 transitions, 204 flow [2021-04-28 21:37:24,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 204 flow [2021-04-28 21:37:24,600 INFO L129 PetriNetUnfolder]: 630/1805 cut-off events. [2021-04-28 21:37:24,600 INFO L130 PetriNetUnfolder]: For 178/186 co-relation queries the response was YES. [2021-04-28 21:37:24,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3295 conditions, 1805 events. 630/1805 cut-off events. For 178/186 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 16451 event pairs, 226 based on Foata normal form. 0/1282 useless extension candidates. Maximal degree in co-relation 3286. Up to 597 conditions per place. [2021-04-28 21:37:24,655 INFO L146 LiptonReduction]: Number of co-enabled transitions 2274 [2021-04-28 21:37:24,847 INFO L158 LiptonReduction]: Checked pairs total: 1391 [2021-04-28 21:37:24,847 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:37:24,848 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 528 [2021-04-28 21:37:24,851 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 65 transitions, 204 flow [2021-04-28 21:37:24,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 239.66666666666666) internal successors, (719), 3 states have internal predecessors, (719), 0 states have call successors, (0), 0 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 21:37:24,852 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:37:24,852 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:37:24,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 21:37:24,854 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:37:24,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:37:24,854 INFO L82 PathProgramCache]: Analyzing trace with hash 2066070735, now seen corresponding path program 1 times [2021-04-28 21:37:24,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:37:24,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188912638] [2021-04-28 21:37:24,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:37:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:37:24,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:37:24,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:37:24,984 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 21:37:24,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 21:37:25,003 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 21:37:25,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188912638] [2021-04-28 21:37:25,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:37:25,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 21:37:25,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934458374] [2021-04-28 21:37:25,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:37:25,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:37:25,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:37:25,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:37:25,007 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 413 [2021-04-28 21:37:25,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 65 transitions, 204 flow. Second operand has 4 states, 4 states have (on average 239.75) internal successors, (959), 4 states have internal predecessors, (959), 0 states have call successors, (0), 0 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 21:37:25,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:37:25,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 413 [2021-04-28 21:37:25,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:37:25,237 INFO L129 PetriNetUnfolder]: 382/1178 cut-off events. [2021-04-28 21:37:25,238 INFO L130 PetriNetUnfolder]: For 186/824 co-relation queries the response was YES. [2021-04-28 21:37:25,245 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2770 conditions, 1178 events. 382/1178 cut-off events. For 186/824 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 9765 event pairs, 64 based on Foata normal form. 48/891 useless extension candidates. Maximal degree in co-relation 2759. Up to 362 conditions per place. [2021-04-28 21:37:25,253 INFO L132 encePairwiseOnDemand]: 404/413 looper letters, 19 selfloop transitions, 9 changer transitions 4/75 dead transitions. [2021-04-28 21:37:25,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 75 transitions, 318 flow [2021-04-28 21:37:25,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:37:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:37:25,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 979 transitions. [2021-04-28 21:37:25,258 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5926150121065376 [2021-04-28 21:37:25,258 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 979 transitions. [2021-04-28 21:37:25,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 979 transitions. [2021-04-28 21:37:25,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:37:25,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 979 transitions. [2021-04-28 21:37:25,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 244.75) internal successors, (979), 4 states have internal predecessors, (979), 0 states have call successors, (0), 0 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 21:37:25,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 413.0) internal successors, (2065), 5 states have internal predecessors, (2065), 0 states have call successors, (0), 0 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 21:37:25,269 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 413.0) internal successors, (2065), 5 states have internal predecessors, (2065), 0 states have call successors, (0), 0 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 21:37:25,269 INFO L185 Difference]: Start difference. First operand has 68 places, 65 transitions, 204 flow. Second operand 4 states and 979 transitions. [2021-04-28 21:37:25,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 75 transitions, 318 flow [2021-04-28 21:37:25,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 75 transitions, 286 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:37:25,279 INFO L241 Difference]: Finished difference. Result has 72 places, 66 transitions, 234 flow [2021-04-28 21:37:25,280 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=234, PETRI_PLACES=72, PETRI_TRANSITIONS=66} [2021-04-28 21:37:25,280 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -84 predicate places. [2021-04-28 21:37:25,280 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:37:25,281 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 66 transitions, 234 flow [2021-04-28 21:37:25,282 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 66 transitions, 234 flow [2021-04-28 21:37:25,283 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 66 transitions, 234 flow [2021-04-28 21:37:25,403 INFO L129 PetriNetUnfolder]: 288/896 cut-off events. [2021-04-28 21:37:25,403 INFO L130 PetriNetUnfolder]: For 273/285 co-relation queries the response was YES. [2021-04-28 21:37:25,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1828 conditions, 896 events. 288/896 cut-off events. For 273/285 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 6935 event pairs, 93 based on Foata normal form. 0/677 useless extension candidates. Maximal degree in co-relation 1816. Up to 272 conditions per place. [2021-04-28 21:37:25,431 INFO L146 LiptonReduction]: Number of co-enabled transitions 2274 [2021-04-28 21:37:25,441 INFO L158 LiptonReduction]: Checked pairs total: 1437 [2021-04-28 21:37:25,441 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:37:25,442 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 162 [2021-04-28 21:37:25,450 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 66 transitions, 234 flow [2021-04-28 21:37:25,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 239.75) internal successors, (959), 4 states have internal predecessors, (959), 0 states have call successors, (0), 0 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 21:37:25,452 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:37:25,452 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:37:25,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 21:37:25,452 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:37:25,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:37:25,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1533099191, now seen corresponding path program 1 times [2021-04-28 21:37:25,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:37:25,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544791011] [2021-04-28 21:37:25,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:37:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:37:25,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:37:25,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:37:25,590 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 21:37:25,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 21:37:25,605 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 21:37:25,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544791011] [2021-04-28 21:37:25,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:37:25,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 21:37:25,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269769939] [2021-04-28 21:37:25,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:37:25,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:37:25,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:37:25,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:37:25,609 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 413 [2021-04-28 21:37:25,610 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 66 transitions, 234 flow. Second operand has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:37:25,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:37:25,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 413 [2021-04-28 21:37:25,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:37:25,782 INFO L129 PetriNetUnfolder]: 260/904 cut-off events. [2021-04-28 21:37:25,782 INFO L130 PetriNetUnfolder]: For 311/435 co-relation queries the response was YES. [2021-04-28 21:37:25,788 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2186 conditions, 904 events. 260/904 cut-off events. For 311/435 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 7234 event pairs, 42 based on Foata normal form. 13/675 useless extension candidates. Maximal degree in co-relation 2172. Up to 244 conditions per place. [2021-04-28 21:37:25,857 INFO L132 encePairwiseOnDemand]: 403/413 looper letters, 19 selfloop transitions, 20 changer transitions 0/82 dead transitions. [2021-04-28 21:37:25,858 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 82 transitions, 408 flow [2021-04-28 21:37:25,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:37:25,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:37:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 982 transitions. [2021-04-28 21:37:25,863 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5944309927360775 [2021-04-28 21:37:25,863 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 982 transitions. [2021-04-28 21:37:25,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 982 transitions. [2021-04-28 21:37:25,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:37:25,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 982 transitions. [2021-04-28 21:37:25,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 245.5) internal successors, (982), 4 states have internal predecessors, (982), 0 states have call successors, (0), 0 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 21:37:25,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 413.0) internal successors, (2065), 5 states have internal predecessors, (2065), 0 states have call successors, (0), 0 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 21:37:25,873 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 413.0) internal successors, (2065), 5 states have internal predecessors, (2065), 0 states have call successors, (0), 0 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 21:37:25,874 INFO L185 Difference]: Start difference. First operand has 70 places, 66 transitions, 234 flow. Second operand 4 states and 982 transitions. [2021-04-28 21:37:25,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 82 transitions, 408 flow [2021-04-28 21:37:25,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 82 transitions, 403 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:37:25,885 INFO L241 Difference]: Finished difference. Result has 75 places, 78 transitions, 404 flow [2021-04-28 21:37:25,885 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=404, PETRI_PLACES=75, PETRI_TRANSITIONS=78} [2021-04-28 21:37:25,886 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -81 predicate places. [2021-04-28 21:37:25,886 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:37:25,886 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 78 transitions, 404 flow [2021-04-28 21:37:25,886 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 78 transitions, 404 flow [2021-04-28 21:37:25,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 78 transitions, 404 flow [2021-04-28 21:37:26,016 INFO L129 PetriNetUnfolder]: 260/836 cut-off events. [2021-04-28 21:37:26,017 INFO L130 PetriNetUnfolder]: For 883/924 co-relation queries the response was YES. [2021-04-28 21:37:26,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2199 conditions, 836 events. 260/836 cut-off events. For 883/924 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6439 event pairs, 25 based on Foata normal form. 1/631 useless extension candidates. Maximal degree in co-relation 2183. Up to 244 conditions per place. [2021-04-28 21:37:26,040 INFO L146 LiptonReduction]: Number of co-enabled transitions 2774 [2021-04-28 21:37:26,062 INFO L158 LiptonReduction]: Checked pairs total: 1758 [2021-04-28 21:37:26,062 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:37:26,062 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 176 [2021-04-28 21:37:26,067 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 78 transitions, 404 flow [2021-04-28 21:37:26,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 240.0) internal successors, (960), 4 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:37:26,068 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:37:26,069 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:37:26,069 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 21:37:26,069 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:37:26,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:37:26,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1459859301, now seen corresponding path program 1 times [2021-04-28 21:37:26,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:37:26,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937074606] [2021-04-28 21:37:26,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:37:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:37:26,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:37:26,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:37:26,184 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 21:37:26,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 21:37:26,198 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 21:37:26,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937074606] [2021-04-28 21:37:26,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:37:26,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 21:37:26,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115737860] [2021-04-28 21:37:26,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:37:26,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:37:26,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:37:26,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:37:26,202 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 413 [2021-04-28 21:37:26,204 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 78 transitions, 404 flow. Second operand has 4 states, 4 states have (on average 240.25) internal successors, (961), 4 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:37:26,204 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:37:26,204 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 413 [2021-04-28 21:37:26,204 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:37:26,380 INFO L129 PetriNetUnfolder]: 237/791 cut-off events. [2021-04-28 21:37:26,381 INFO L130 PetriNetUnfolder]: For 996/1210 co-relation queries the response was YES. [2021-04-28 21:37:26,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2458 conditions, 791 events. 237/791 cut-off events. For 996/1210 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 5999 event pairs, 12 based on Foata normal form. 15/606 useless extension candidates. Maximal degree in co-relation 2440. Up to 221 conditions per place. [2021-04-28 21:37:26,394 INFO L132 encePairwiseOnDemand]: 403/413 looper letters, 28 selfloop transitions, 30 changer transitions 0/101 dead transitions. [2021-04-28 21:37:26,394 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 101 transitions, 722 flow [2021-04-28 21:37:26,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:37:26,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:37:26,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 982 transitions. [2021-04-28 21:37:26,399 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5944309927360775 [2021-04-28 21:37:26,399 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 982 transitions. [2021-04-28 21:37:26,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 982 transitions. [2021-04-28 21:37:26,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:37:26,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 982 transitions. [2021-04-28 21:37:26,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 245.5) internal successors, (982), 4 states have internal predecessors, (982), 0 states have call successors, (0), 0 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 21:37:26,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 413.0) internal successors, (2065), 5 states have internal predecessors, (2065), 0 states have call successors, (0), 0 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 21:37:26,410 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 413.0) internal successors, (2065), 5 states have internal predecessors, (2065), 0 states have call successors, (0), 0 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 21:37:26,410 INFO L185 Difference]: Start difference. First operand has 75 places, 78 transitions, 404 flow. Second operand 4 states and 982 transitions. [2021-04-28 21:37:26,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 101 transitions, 722 flow [2021-04-28 21:37:26,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 101 transitions, 722 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 21:37:26,419 INFO L241 Difference]: Finished difference. Result has 81 places, 95 transitions, 717 flow [2021-04-28 21:37:26,419 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=717, PETRI_PLACES=81, PETRI_TRANSITIONS=95} [2021-04-28 21:37:26,419 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -75 predicate places. [2021-04-28 21:37:26,419 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:37:26,420 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 95 transitions, 717 flow [2021-04-28 21:37:26,420 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 95 transitions, 717 flow [2021-04-28 21:37:26,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 95 transitions, 717 flow [2021-04-28 21:37:26,548 INFO L129 PetriNetUnfolder]: 237/811 cut-off events. [2021-04-28 21:37:26,548 INFO L130 PetriNetUnfolder]: For 1717/1819 co-relation queries the response was YES. [2021-04-28 21:37:26,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2547 conditions, 811 events. 237/811 cut-off events. For 1717/1819 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 6281 event pairs, 15 based on Foata normal form. 2/603 useless extension candidates. Maximal degree in co-relation 2526. Up to 221 conditions per place. [2021-04-28 21:37:26,574 INFO L146 LiptonReduction]: Number of co-enabled transitions 3394 [2021-04-28 21:37:26,601 INFO L158 LiptonReduction]: Checked pairs total: 2211 [2021-04-28 21:37:26,601 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:37:26,602 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 183 [2021-04-28 21:37:26,604 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 95 transitions, 717 flow [2021-04-28 21:37:26,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 240.25) internal successors, (961), 4 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:37:26,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:37:26,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:37:26,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 21:37:26,605 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:37:26,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:37:26,606 INFO L82 PathProgramCache]: Analyzing trace with hash 519324181, now seen corresponding path program 1 times [2021-04-28 21:37:26,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:37:26,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159647258] [2021-04-28 21:37:26,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:37:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:37:26,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:37:26,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:37:26,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:37:26,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:37:26,650 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 21:37:26,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159647258] [2021-04-28 21:37:26,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:37:26,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 21:37:26,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478789065] [2021-04-28 21:37:26,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:37:26,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:37:26,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:37:26,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:37:26,654 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 413 [2021-04-28 21:37:26,656 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 95 transitions, 717 flow. Second operand has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 0 states have call successors, (0), 0 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 21:37:26,656 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:37:26,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 413 [2021-04-28 21:37:26,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:37:26,823 INFO L129 PetriNetUnfolder]: 242/924 cut-off events. [2021-04-28 21:37:26,823 INFO L130 PetriNetUnfolder]: For 2524/2721 co-relation queries the response was YES. [2021-04-28 21:37:26,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2932 conditions, 924 events. 242/924 cut-off events. For 2524/2721 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 7669 event pairs, 20 based on Foata normal form. 20/693 useless extension candidates. Maximal degree in co-relation 2909. Up to 228 conditions per place. [2021-04-28 21:37:26,838 INFO L132 encePairwiseOnDemand]: 410/413 looper letters, 6 selfloop transitions, 8 changer transitions 1/95 dead transitions. [2021-04-28 21:37:26,838 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 95 transitions, 747 flow [2021-04-28 21:37:26,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:37:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:37:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 972 transitions. [2021-04-28 21:37:26,842 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.784503631961259 [2021-04-28 21:37:26,842 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 972 transitions. [2021-04-28 21:37:26,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 972 transitions. [2021-04-28 21:37:26,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:37:26,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 972 transitions. [2021-04-28 21:37:26,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 324.0) internal successors, (972), 3 states have internal predecessors, (972), 0 states have call successors, (0), 0 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 21:37:26,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 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 21:37:26,851 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 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 21:37:26,851 INFO L185 Difference]: Start difference. First operand has 81 places, 95 transitions, 717 flow. Second operand 3 states and 972 transitions. [2021-04-28 21:37:26,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 95 transitions, 747 flow [2021-04-28 21:37:26,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 95 transitions, 747 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 21:37:26,869 INFO L241 Difference]: Finished difference. Result has 84 places, 94 transitions, 729 flow [2021-04-28 21:37:26,870 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=729, PETRI_PLACES=84, PETRI_TRANSITIONS=94} [2021-04-28 21:37:26,870 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -72 predicate places. [2021-04-28 21:37:26,870 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:37:26,870 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 94 transitions, 729 flow [2021-04-28 21:37:26,870 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 94 transitions, 729 flow [2021-04-28 21:37:26,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 94 transitions, 729 flow [2021-04-28 21:37:27,005 INFO L129 PetriNetUnfolder]: 226/880 cut-off events. [2021-04-28 21:37:27,005 INFO L130 PetriNetUnfolder]: For 2152/2237 co-relation queries the response was YES. [2021-04-28 21:37:27,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2775 conditions, 880 events. 226/880 cut-off events. For 2152/2237 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 7313 event pairs, 18 based on Foata normal form. 2/645 useless extension candidates. Maximal degree in co-relation 2752. Up to 224 conditions per place. [2021-04-28 21:37:27,068 INFO L146 LiptonReduction]: Number of co-enabled transitions 3340 [2021-04-28 21:37:27,078 INFO L158 LiptonReduction]: Checked pairs total: 2186 [2021-04-28 21:37:27,078 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:37:27,079 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 209 [2021-04-28 21:37:27,082 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 94 transitions, 729 flow [2021-04-28 21:37:27,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 323.0) internal successors, (969), 3 states have internal predecessors, (969), 0 states have call successors, (0), 0 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 21:37:27,083 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:37:27,083 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:37:27,083 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 21:37:27,083 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:37:27,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:37:27,084 INFO L82 PathProgramCache]: Analyzing trace with hash 552570937, now seen corresponding path program 1 times [2021-04-28 21:37:27,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:37:27,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606324481] [2021-04-28 21:37:27,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:37:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:37:27,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:37:27,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:37:27,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:37:27,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:37:27,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:37:27,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:37:27,182 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 21:37:27,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606324481] [2021-04-28 21:37:27,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:37:27,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:37:27,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009182937] [2021-04-28 21:37:27,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:37:27,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:37:27,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:37:27,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:37:27,186 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 413 [2021-04-28 21:37:27,188 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 94 transitions, 729 flow. Second operand has 4 states, 4 states have (on average 317.75) internal successors, (1271), 4 states have internal predecessors, (1271), 0 states have call successors, (0), 0 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 21:37:27,188 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:37:27,188 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 413 [2021-04-28 21:37:27,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:37:40,066 INFO L129 PetriNetUnfolder]: 74033/110653 cut-off events. [2021-04-28 21:37:40,066 INFO L130 PetriNetUnfolder]: For 15661/16180 co-relation queries the response was YES. [2021-04-28 21:37:40,798 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227282 conditions, 110653 events. 74033/110653 cut-off events. For 15661/16180 co-relation queries the response was YES. Maximal size of possible extension queue 16956. Compared 1093086 event pairs, 38681 based on Foata normal form. 2285/34147 useless extension candidates. Maximal degree in co-relation 227257. Up to 71581 conditions per place. [2021-04-28 21:37:41,400 INFO L132 encePairwiseOnDemand]: 393/413 looper letters, 33 selfloop transitions, 32 changer transitions 0/137 dead transitions. [2021-04-28 21:37:41,401 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 137 transitions, 945 flow [2021-04-28 21:37:41,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:37:41,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:37:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1651 transitions. [2021-04-28 21:37:41,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7995157384987893 [2021-04-28 21:37:41,408 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1651 transitions. [2021-04-28 21:37:41,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1651 transitions. [2021-04-28 21:37:41,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:37:41,411 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1651 transitions. [2021-04-28 21:37:41,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 330.2) internal successors, (1651), 5 states have internal predecessors, (1651), 0 states have call successors, (0), 0 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 21:37:41,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 413.0) internal successors, (2478), 6 states have internal predecessors, (2478), 0 states have call successors, (0), 0 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 21:37:41,424 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 413.0) internal successors, (2478), 6 states have internal predecessors, (2478), 0 states have call successors, (0), 0 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 21:37:41,424 INFO L185 Difference]: Start difference. First operand has 84 places, 94 transitions, 729 flow. Second operand 5 states and 1651 transitions. [2021-04-28 21:37:41,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 137 transitions, 945 flow [2021-04-28 21:37:41,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 137 transitions, 935 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 21:37:41,515 INFO L241 Difference]: Finished difference. Result has 90 places, 124 transitions, 957 flow [2021-04-28 21:37:41,515 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=957, PETRI_PLACES=90, PETRI_TRANSITIONS=124} [2021-04-28 21:37:41,516 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -66 predicate places. [2021-04-28 21:37:41,516 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:37:41,516 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 124 transitions, 957 flow [2021-04-28 21:37:41,516 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 124 transitions, 957 flow [2021-04-28 21:37:41,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 124 transitions, 957 flow [2021-04-28 21:37:51,614 INFO L129 PetriNetUnfolder]: 62794/95144 cut-off events. [2021-04-28 21:37:51,614 INFO L130 PetriNetUnfolder]: For 27790/80941 co-relation queries the response was YES. [2021-04-28 21:37:52,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 275440 conditions, 95144 events. 62794/95144 cut-off events. For 27790/80941 co-relation queries the response was YES. Maximal size of possible extension queue 13719. Compared 957907 event pairs, 35117 based on Foata normal form. 71/29405 useless extension candidates. Maximal degree in co-relation 275413. Up to 89500 conditions per place. [2021-04-28 21:37:53,746 INFO L146 LiptonReduction]: Number of co-enabled transitions 5152 [2021-04-28 21:38:16,779 INFO L158 LiptonReduction]: Checked pairs total: 3743 [2021-04-28 21:38:16,779 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:38:16,780 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 35264 [2021-04-28 21:38:16,781 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 124 transitions, 957 flow [2021-04-28 21:38:16,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 317.75) internal successors, (1271), 4 states have internal predecessors, (1271), 0 states have call successors, (0), 0 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 21:38:16,782 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:38:16,782 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:38:16,782 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 21:38:16,782 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:38:16,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:38:16,783 INFO L82 PathProgramCache]: Analyzing trace with hash -912222956, now seen corresponding path program 1 times [2021-04-28 21:38:16,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:38:16,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612409615] [2021-04-28 21:38:16,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:38:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:38:16,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:38:16,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:38:16,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:38:16,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:38:16,834 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 21:38:16,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612409615] [2021-04-28 21:38:16,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:38:16,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 21:38:16,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602034880] [2021-04-28 21:38:16,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:38:16,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:38:16,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:38:16,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:38:16,838 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 413 [2021-04-28 21:38:16,840 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 124 transitions, 957 flow. Second operand has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 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 21:38:16,840 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:38:16,840 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 413 [2021-04-28 21:38:16,840 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:38:37,105 INFO L129 PetriNetUnfolder]: 109845/162772 cut-off events. [2021-04-28 21:38:37,106 INFO L130 PetriNetUnfolder]: For 51004/177631 co-relation queries the response was YES. [2021-04-28 21:38:37,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 469645 conditions, 162772 events. 109845/162772 cut-off events. For 51004/177631 co-relation queries the response was YES. Maximal size of possible extension queue 24387. Compared 1656683 event pairs, 63316 based on Foata normal form. 544/49034 useless extension candidates. Maximal degree in co-relation 469616. Up to 154474 conditions per place. [2021-04-28 21:38:38,720 INFO L132 encePairwiseOnDemand]: 410/413 looper letters, 6 selfloop transitions, 15 changer transitions 0/124 dead transitions. [2021-04-28 21:38:38,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 124 transitions, 999 flow [2021-04-28 21:38:38,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:38:38,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:38:38,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2021-04-28 21:38:38,724 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7723970944309927 [2021-04-28 21:38:38,724 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 957 transitions. [2021-04-28 21:38:38,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 957 transitions. [2021-04-28 21:38:38,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:38:38,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 957 transitions. [2021-04-28 21:38:38,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 0 states have call successors, (0), 0 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 21:38:38,731 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 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 21:38:38,732 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 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 21:38:38,732 INFO L185 Difference]: Start difference. First operand has 90 places, 124 transitions, 957 flow. Second operand 3 states and 957 transitions. [2021-04-28 21:38:38,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 124 transitions, 999 flow [2021-04-28 21:38:39,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 124 transitions, 999 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 21:38:39,031 INFO L241 Difference]: Finished difference. Result has 93 places, 124 transitions, 1004 flow [2021-04-28 21:38:39,032 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1004, PETRI_PLACES=93, PETRI_TRANSITIONS=124} [2021-04-28 21:38:39,032 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -63 predicate places. [2021-04-28 21:38:39,032 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:38:39,032 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 124 transitions, 1004 flow [2021-04-28 21:38:39,033 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 124 transitions, 1004 flow [2021-04-28 21:38:39,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 124 transitions, 1004 flow [2021-04-28 21:38:57,911 INFO L129 PetriNetUnfolder]: 110704/164293 cut-off events. [2021-04-28 21:38:57,912 INFO L130 PetriNetUnfolder]: For 40170/91534 co-relation queries the response was YES. [2021-04-28 21:38:58,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 474345 conditions, 164293 events. 110704/164293 cut-off events. For 40170/91534 co-relation queries the response was YES. Maximal size of possible extension queue 23566. Compared 1689905 event pairs, 63785 based on Foata normal form. 77/50158 useless extension candidates. Maximal degree in co-relation 474316. Up to 156706 conditions per place. [2021-04-28 21:39:00,799 INFO L146 LiptonReduction]: Number of co-enabled transitions 5150 [2021-04-28 21:39:08,809 INFO L158 LiptonReduction]: Checked pairs total: 3743 [2021-04-28 21:39:08,809 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:39:08,809 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29777 [2021-04-28 21:39:08,810 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 124 transitions, 1004 flow [2021-04-28 21:39:08,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 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 21:39:08,811 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:39:08,811 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:39:08,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 21:39:08,811 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:39:08,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:39:08,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1556836551, now seen corresponding path program 1 times [2021-04-28 21:39:08,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:39:08,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737933482] [2021-04-28 21:39:08,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:39:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:39:08,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:39:08,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:39:08,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:39:08,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:39:08,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:39:08,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:39:08,892 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:39:08,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:39:08,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:39:08,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737933482] [2021-04-28 21:39:08,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:39:08,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:39:08,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031457794] [2021-04-28 21:39:08,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:39:08,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:39:08,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:39:08,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:39:08,897 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 413 [2021-04-28 21:39:08,899 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 124 transitions, 1004 flow. Second operand has 5 states, 5 states have (on average 317.8) internal successors, (1589), 5 states have internal predecessors, (1589), 0 states have call successors, (0), 0 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 21:39:08,899 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:39:08,899 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 413 [2021-04-28 21:39:08,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:39:39,150 INFO L129 PetriNetUnfolder]: 141087/216334 cut-off events. [2021-04-28 21:39:39,151 INFO L130 PetriNetUnfolder]: For 74180/760604 co-relation queries the response was YES. [2021-04-28 21:39:40,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 833522 conditions, 216334 events. 141087/216334 cut-off events. For 74180/760604 co-relation queries the response was YES. Maximal size of possible extension queue 35460. Compared 2327341 event pairs, 29089 based on Foata normal form. 4533/74412 useless extension candidates. Maximal degree in co-relation 833491. Up to 201670 conditions per place. [2021-04-28 21:39:40,738 INFO L132 encePairwiseOnDemand]: 393/413 looper letters, 34 selfloop transitions, 62 changer transitions 0/168 dead transitions. [2021-04-28 21:39:40,738 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 168 transitions, 1441 flow [2021-04-28 21:39:40,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 21:39:40,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 21:39:40,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2315 transitions. [2021-04-28 21:39:40,746 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8007609823590454 [2021-04-28 21:39:40,746 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2315 transitions. [2021-04-28 21:39:40,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2315 transitions. [2021-04-28 21:39:40,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:39:40,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2315 transitions. [2021-04-28 21:39:40,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 330.7142857142857) internal successors, (2315), 7 states have internal predecessors, (2315), 0 states have call successors, (0), 0 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 21:39:40,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 413.0) internal successors, (3304), 8 states have internal predecessors, (3304), 0 states have call successors, (0), 0 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 21:39:40,762 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 413.0) internal successors, (3304), 8 states have internal predecessors, (3304), 0 states have call successors, (0), 0 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 21:39:40,763 INFO L185 Difference]: Start difference. First operand has 93 places, 124 transitions, 1004 flow. Second operand 7 states and 2315 transitions. [2021-04-28 21:39:40,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 168 transitions, 1441 flow [2021-04-28 21:39:41,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 168 transitions, 1424 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 21:39:41,219 INFO L241 Difference]: Finished difference. Result has 101 places, 154 transitions, 1417 flow [2021-04-28 21:39:41,220 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=987, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1417, PETRI_PLACES=101, PETRI_TRANSITIONS=154} [2021-04-28 21:39:41,220 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -55 predicate places. [2021-04-28 21:39:41,220 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:39:41,220 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 154 transitions, 1417 flow [2021-04-28 21:39:41,220 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 154 transitions, 1417 flow [2021-04-28 21:39:41,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 154 transitions, 1417 flow [2021-04-28 21:40:09,377 INFO L129 PetriNetUnfolder]: 121312/189081 cut-off events. [2021-04-28 21:40:09,377 INFO L130 PetriNetUnfolder]: For 280400/482019 co-relation queries the response was YES. [2021-04-28 21:40:10,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 899786 conditions, 189081 events. 121312/189081 cut-off events. For 280400/482019 co-relation queries the response was YES. Maximal size of possible extension queue 29220. Compared 2096288 event pairs, 27524 based on Foata normal form. 128/59286 useless extension candidates. Maximal degree in co-relation 899753. Up to 180796 conditions per place. [2021-04-28 21:40:14,786 INFO L146 LiptonReduction]: Number of co-enabled transitions 6732 [2021-04-28 21:40:38,370 INFO L158 LiptonReduction]: Checked pairs total: 7325 [2021-04-28 21:40:38,371 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:40:38,371 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 57151 [2021-04-28 21:40:38,372 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 154 transitions, 1417 flow [2021-04-28 21:40:38,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 317.8) internal successors, (1589), 5 states have internal predecessors, (1589), 0 states have call successors, (0), 0 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 21:40:38,373 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:40:38,374 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] [2021-04-28 21:40:38,374 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 21:40:38,374 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:40:38,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:40:38,374 INFO L82 PathProgramCache]: Analyzing trace with hash 174047531, now seen corresponding path program 1 times [2021-04-28 21:40:38,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:40:38,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475057083] [2021-04-28 21:40:38,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:40:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:40:38,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:40:38,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:40:38,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:40:38,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:40:38,425 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 21:40:38,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475057083] [2021-04-28 21:40:38,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:40:38,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 21:40:38,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367937541] [2021-04-28 21:40:38,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:40:38,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:40:38,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:40:38,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:40:38,429 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 413 [2021-04-28 21:40:38,430 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 154 transitions, 1417 flow. Second operand has 3 states, 3 states have (on average 328.3333333333333) internal successors, (985), 3 states have internal predecessors, (985), 0 states have call successors, (0), 0 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 21:40:38,430 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:40:38,430 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 413 [2021-04-28 21:40:38,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:41:28,677 INFO L129 PetriNetUnfolder]: 212836/323286 cut-off events. [2021-04-28 21:41:28,677 INFO L130 PetriNetUnfolder]: For 770300/2858093 co-relation queries the response was YES. [2021-04-28 21:41:30,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1543375 conditions, 323286 events. 212836/323286 cut-off events. For 770300/2858093 co-relation queries the response was YES. Maximal size of possible extension queue 57933. Compared 3590386 event pairs, 49825 based on Foata normal form. 653/98766 useless extension candidates. Maximal degree in co-relation 1543340. Up to 311344 conditions per place. [2021-04-28 21:41:31,337 INFO L132 encePairwiseOnDemand]: 410/413 looper letters, 6 selfloop transitions, 8 changer transitions 1/156 dead transitions. [2021-04-28 21:41:31,337 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 156 transitions, 1461 flow [2021-04-28 21:41:31,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:41:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:41:31,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 987 transitions. [2021-04-28 21:41:31,341 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7966101694915254 [2021-04-28 21:41:31,342 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 987 transitions. [2021-04-28 21:41:31,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 987 transitions. [2021-04-28 21:41:31,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:41:31,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 987 transitions. [2021-04-28 21:41:31,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 0 states have call successors, (0), 0 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 21:41:31,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 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 21:41:31,349 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 413.0) internal successors, (1652), 4 states have internal predecessors, (1652), 0 states have call successors, (0), 0 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 21:41:31,350 INFO L185 Difference]: Start difference. First operand has 101 places, 154 transitions, 1417 flow. Second operand 3 states and 987 transitions. [2021-04-28 21:41:31,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 156 transitions, 1461 flow [2021-04-28 21:43:27,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 156 transitions, 1303 flow, removed 53 selfloop flow, removed 3 redundant places. [2021-04-28 21:43:27,754 INFO L241 Difference]: Finished difference. Result has 101 places, 155 transitions, 1291 flow [2021-04-28 21:43:27,754 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=1259, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1291, PETRI_PLACES=101, PETRI_TRANSITIONS=155} [2021-04-28 21:43:27,754 INFO L343 CegarLoopForPetriNet]: 156 programPoint places, -55 predicate places. [2021-04-28 21:43:27,754 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:43:27,755 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 155 transitions, 1291 flow [2021-04-28 21:43:27,755 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 155 transitions, 1291 flow [2021-04-28 21:43:27,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 155 transitions, 1291 flow [2021-04-28 21:44:15,311 INFO L129 PetriNetUnfolder]: 204377/311654 cut-off events. [2021-04-28 21:44:15,311 INFO L130 PetriNetUnfolder]: For 350824/568975 co-relation queries the response was YES. [2021-04-28 21:44:17,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1404517 conditions, 311654 events. 204377/311654 cut-off events. For 350824/568975 co-relation queries the response was YES. Maximal size of possible extension queue 52372. Compared 3552408 event pairs, 49200 based on Foata normal form. 156/96653 useless extension candidates. Maximal degree in co-relation 1404484. Up to 267853 conditions per place. [2021-04-28 21:44:23,161 INFO L146 LiptonReduction]: Number of co-enabled transitions 6856