/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/mix018_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:09:29,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:09:29,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:09:29,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:09:29,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:09:29,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:09:29,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:09:29,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:09:29,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:09:29,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:09:29,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:09:29,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:09:29,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:09:29,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:09:29,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:09:29,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:09:29,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:09:29,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:09:29,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:09:29,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:09:29,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:09:29,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:09:29,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:09:29,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:09:29,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 18:09:29,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:09:29,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:09:29,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:09:29,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:09:29,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:09:29,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:09:29,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:09:29,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:09:29,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:09:29,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:09:29,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:09:29,299 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 18:09:29,349 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:09:29,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:09:29,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:09:29,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:09:29,354 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:09:29,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:09:29,354 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:09:29,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:09:29,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:09:29,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:09:29,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:09:29,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:09:29,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:09:29,357 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:09:29,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:09:29,357 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:09:29,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:09:29,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:09:29,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:09:29,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:09:29,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:09:29,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:09:29,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:09:29,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:09:29,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:09:29,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:09:29,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:09:29,360 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:09:29,360 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:09:29,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:09:29,361 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:09:29,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:09:29,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:09:29,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:09:29,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:09:29,761 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:09:29,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix018_pso.oepc.i [2021-04-28 18:09:29,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c758435a/26ff70a931fc4302ba2bb76d7ff29f6b/FLAG9e3ed8e1d [2021-04-28 18:09:30,526 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:09:30,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix018_pso.oepc.i [2021-04-28 18:09:30,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c758435a/26ff70a931fc4302ba2bb76d7ff29f6b/FLAG9e3ed8e1d [2021-04-28 18:09:30,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c758435a/26ff70a931fc4302ba2bb76d7ff29f6b [2021-04-28 18:09:30,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:09:30,853 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:09:30,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:09:30,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:09:30,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:09:30,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:09:30" (1/1) ... [2021-04-28 18:09:30,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb1b3fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:30, skipping insertion in model container [2021-04-28 18:09:30,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:09:30" (1/1) ... [2021-04-28 18:09:30,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:09:30,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:09:31,208 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/mix018_pso.oepc.i[949,962] [2021-04-28 18:09:31,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:09:31,476 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:09:31,489 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/mix018_pso.oepc.i[949,962] [2021-04-28 18:09:31,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:09:31,687 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:09:31,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:31 WrapperNode [2021-04-28 18:09:31,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:09:31,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:09:31,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:09:31,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:09:31,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:31" (1/1) ... [2021-04-28 18:09:31,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:31" (1/1) ... [2021-04-28 18:09:31,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:09:31,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:09:31,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:09:31,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:09:31,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:31" (1/1) ... [2021-04-28 18:09:31,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:31" (1/1) ... [2021-04-28 18:09:31,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:31" (1/1) ... [2021-04-28 18:09:31,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:31" (1/1) ... [2021-04-28 18:09:31,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:31" (1/1) ... [2021-04-28 18:09:31,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:31" (1/1) ... [2021-04-28 18:09:31,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:31" (1/1) ... [2021-04-28 18:09:31,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:09:31,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:09:31,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:09:31,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:09:31,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:31" (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 18:09:31,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:09:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:09:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:09:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:09:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:09:31,916 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:09:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:09:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:09:31,917 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:09:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:09:31,917 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 18:09:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 18:09:31,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:09:31,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:09:31,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:09:31,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:09:31,920 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 18:09:34,300 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:09:34,301 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:09:34,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:09:34 BoogieIcfgContainer [2021-04-28 18:09:34,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:09:34,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:09:34,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:09:34,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:09:34,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:09:30" (1/3) ... [2021-04-28 18:09:34,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b9617c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:09:34, skipping insertion in model container [2021-04-28 18:09:34,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:09:31" (2/3) ... [2021-04-28 18:09:34,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b9617c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:09:34, skipping insertion in model container [2021-04-28 18:09:34,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:09:34" (3/3) ... [2021-04-28 18:09:34,312 INFO L111 eAbstractionObserver]: Analyzing ICFG mix018_pso.oepc.i [2021-04-28 18:09:34,320 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:09:34,326 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:09:34,327 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:09:34,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,373 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,373 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,374 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,374 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,374 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,375 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,375 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,375 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,380 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,381 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,381 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,381 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,386 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,386 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,386 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,387 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,387 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,387 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,388 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,389 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,389 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,389 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,389 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,389 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,390 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,390 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,390 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,391 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,391 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,391 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,391 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,391 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,392 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,392 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,392 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,392 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,392 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,393 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,394 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,395 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,396 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,397 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,398 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,401 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,402 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,403 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,404 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,405 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,405 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,405 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,405 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,405 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,405 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,405 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,406 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,406 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,406 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,406 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,406 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,408 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,409 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,409 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,409 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,409 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,409 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,410 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,410 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,410 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,410 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,411 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,411 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,411 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,411 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,412 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,412 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,412 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,412 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,416 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,416 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,417 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,419 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,419 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,419 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,419 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,420 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,422 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,422 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,423 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,426 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,426 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,427 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,427 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,428 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,429 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,429 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,429 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,429 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,429 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,430 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,431 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,432 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:09:34,433 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:09:34,457 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 18:09:34,482 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:09:34,482 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:09:34,482 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:09:34,483 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:09:34,483 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:09:34,483 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:09:34,483 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:09:34,483 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:09:34,498 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 118 transitions, 256 flow [2021-04-28 18:09:34,551 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-04-28 18:09:34,551 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:09:34,556 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 87 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-04-28 18:09:34,556 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 118 transitions, 256 flow [2021-04-28 18:09:34,562 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 114 transitions, 240 flow [2021-04-28 18:09:34,564 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:09:34,580 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 114 transitions, 240 flow [2021-04-28 18:09:34,584 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 114 transitions, 240 flow [2021-04-28 18:09:34,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 240 flow [2021-04-28 18:09:34,613 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-04-28 18:09:34,614 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:09:34,615 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 88 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 77. Up to 2 conditions per place. [2021-04-28 18:09:34,620 INFO L146 LiptonReduction]: Number of co-enabled transitions 2774 [2021-04-28 18:09:36,163 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 18:09:38,443 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:09:38,560 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:09:39,159 WARN L205 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2021-04-28 18:09:39,386 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 18:09:47,867 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:09:56,565 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:09:56,684 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:09:56,806 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:09:56,924 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:09:57,031 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:09:57,172 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:09:57,278 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:09:57,385 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:09:57,492 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:09:57,599 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:09:57,710 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:09:57,824 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:09:58,932 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:09:59,047 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:09:59,166 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:09:59,284 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 18:09:59,698 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 18:09:59,806 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 18:10:00,015 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 18:10:04,533 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:10:04,636 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:10:04,740 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:10:04,843 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:10:05,145 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 18:10:05,274 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:10:05,400 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:10:05,535 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:10:05,664 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:10:06,101 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:10:06,223 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:10:06,346 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:10:06,472 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:10:06,940 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:10:07,048 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:10:07,156 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:10:07,260 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:10:07,411 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:10:07,527 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:10:07,662 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:10:07,812 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:10:07,916 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:10:08,122 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:10:08,225 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:10:08,360 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:10:08,463 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:10:08,567 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:10:08,670 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:10:09,026 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:10:09,129 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:10:09,232 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:10:09,336 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:10:09,684 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:10:09,839 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:10:09,996 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:10:10,152 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 18:10:10,673 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:10:10,809 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:10:10,940 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:10:11,077 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:10:11,287 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:10:11,509 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:10:11,725 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:10:11,937 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:10:12,137 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:10:12,336 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:10:12,535 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:10:12,732 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 18:10:12,905 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:10:13,076 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:10:13,250 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:10:13,422 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:10:13,585 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:10:13,751 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:10:13,919 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:10:14,082 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:10:14,237 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:14,392 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:14,546 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:14,711 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:15,207 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:10:15,397 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:10:15,580 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:10:15,764 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:10:15,952 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:10:16,140 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:10:16,332 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:10:16,526 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:10:16,699 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:10:16,871 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:10:17,040 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:10:17,209 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:10:17,364 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:10:17,518 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:10:17,677 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:10:17,831 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:10:18,001 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:10:18,198 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:10:18,368 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:10:18,547 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:10:18,756 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:10:18,965 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:10:19,169 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:10:19,374 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 18:10:19,521 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:10:19,668 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:10:19,819 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:10:19,966 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:10:20,182 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:20,404 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:20,621 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:20,842 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:21,006 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:21,170 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:21,327 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:21,494 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:21,651 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:21,809 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:21,972 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:22,134 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:22,320 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:22,479 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:22,641 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:22,803 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:10:23,336 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:10:23,590 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:10:24,120 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 18:10:24,359 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 18:10:24,569 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:10:24,789 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:10:25,005 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:10:25,221 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 18:10:25,433 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:25,645 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:25,864 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:26,083 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:26,301 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:26,514 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:26,731 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:26,949 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:27,493 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:10:27,754 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:10:28,307 WARN L205 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 18:10:28,554 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 18:10:28,767 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:28,987 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:29,205 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:29,421 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 18:10:29,874 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:10:30,006 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:10:30,147 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:10:30,280 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 18:10:30,325 INFO L158 LiptonReduction]: Checked pairs total: 30621 [2021-04-28 18:10:30,326 INFO L160 LiptonReduction]: Total number of compositions: 309 [2021-04-28 18:10:30,331 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55768 [2021-04-28 18:10:30,356 INFO L129 PetriNetUnfolder]: 0/67 cut-off events. [2021-04-28 18:10:30,356 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:10:30,356 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:10:30,357 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 18:10:30,357 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 18:10:30,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:10:30,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1417001, now seen corresponding path program 1 times [2021-04-28 18:10:30,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:10:30,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379187789] [2021-04-28 18:10:30,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:10:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:10:30,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:30,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:10:30,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:10:30,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379187789] [2021-04-28 18:10:30,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:10:30,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:10:30,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893591450] [2021-04-28 18:10:30,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:10:30,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:10:30,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:10:30,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:10:30,644 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 427 [2021-04-28 18:10:30,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 146 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:10:30,651 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:10:30,651 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 427 [2021-04-28 18:10:30,652 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:10:30,937 INFO L129 PetriNetUnfolder]: 133/827 cut-off events. [2021-04-28 18:10:30,937 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:10:30,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1065 conditions, 827 events. 133/827 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 7347 event pairs, 110 based on Foata normal form. 69/345 useless extension candidates. Maximal degree in co-relation 973. Up to 153 conditions per place. [2021-04-28 18:10:30,950 INFO L132 encePairwiseOnDemand]: 402/427 looper letters, 11 selfloop transitions, 2 changer transitions 64/147 dead transitions. [2021-04-28 18:10:30,951 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 147 transitions, 370 flow [2021-04-28 18:10:30,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:10:30,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:10:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 999 transitions. [2021-04-28 18:10:30,972 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7798594847775175 [2021-04-28 18:10:30,973 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 999 transitions. [2021-04-28 18:10:30,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 999 transitions. [2021-04-28 18:10:30,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:10:30,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 999 transitions. [2021-04-28 18:10:30,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 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 18:10:30,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 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 18:10:30,998 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 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 18:10:31,000 INFO L185 Difference]: Start difference. First operand has 158 places, 146 transitions, 304 flow. Second operand 3 states and 999 transitions. [2021-04-28 18:10:31,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 147 transitions, 370 flow [2021-04-28 18:10:31,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 147 transitions, 366 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 18:10:31,009 INFO L241 Difference]: Finished difference. Result has 153 places, 78 transitions, 168 flow [2021-04-28 18:10:31,011 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=153, PETRI_TRANSITIONS=78} [2021-04-28 18:10:31,012 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -5 predicate places. [2021-04-28 18:10:31,013 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:10:31,013 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 78 transitions, 168 flow [2021-04-28 18:10:31,013 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 78 transitions, 168 flow [2021-04-28 18:10:31,014 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 78 transitions, 168 flow [2021-04-28 18:10:31,025 INFO L129 PetriNetUnfolder]: 0/78 cut-off events. [2021-04-28 18:10:31,026 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:10:31,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 78 events. 0/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 378 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 18:10:31,028 INFO L146 LiptonReduction]: Number of co-enabled transitions 3084 [2021-04-28 18:10:31,216 INFO L158 LiptonReduction]: Checked pairs total: 4114 [2021-04-28 18:10:31,216 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:10:31,217 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 204 [2021-04-28 18:10:31,219 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 78 transitions, 168 flow [2021-04-28 18:10:31,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:10:31,220 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:10:31,220 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:10:31,221 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:10:31,221 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 18:10:31,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:10:31,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1532856330, now seen corresponding path program 1 times [2021-04-28 18:10:31,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:10:31,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753725420] [2021-04-28 18:10:31,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:10:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:10:31,431 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:10:31,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:10:31,444 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 18:10:31,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753725420] [2021-04-28 18:10:31,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:10:31,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:10:31,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021179639] [2021-04-28 18:10:31,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:10:31,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:10:31,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:10:31,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:10:31,451 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 427 [2021-04-28 18:10:31,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 78 transitions, 168 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 18:10:31,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:10:31,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 427 [2021-04-28 18:10:31,453 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:10:33,143 INFO L129 PetriNetUnfolder]: 3314/9040 cut-off events. [2021-04-28 18:10:33,144 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:10:33,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13996 conditions, 9040 events. 3314/9040 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1422. Compared 112158 event pairs, 1152 based on Foata normal form. 0/5699 useless extension candidates. Maximal degree in co-relation 13987. Up to 3411 conditions per place. [2021-04-28 18:10:33,197 INFO L132 encePairwiseOnDemand]: 405/427 looper letters, 7 selfloop transitions, 7 changer transitions 48/107 dead transitions. [2021-04-28 18:10:33,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 107 transitions, 350 flow [2021-04-28 18:10:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:10:33,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:10:33,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 776 transitions. [2021-04-28 18:10:33,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6057767369242779 [2021-04-28 18:10:33,201 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 776 transitions. [2021-04-28 18:10:33,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 776 transitions. [2021-04-28 18:10:33,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:10:33,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 776 transitions. [2021-04-28 18:10:33,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 0 states have call successors, (0), 0 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 18:10:33,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 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 18:10:33,211 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 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 18:10:33,212 INFO L185 Difference]: Start difference. First operand has 89 places, 78 transitions, 168 flow. Second operand 3 states and 776 transitions. [2021-04-28 18:10:33,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 107 transitions, 350 flow [2021-04-28 18:10:33,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 107 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:10:33,218 INFO L241 Difference]: Finished difference. Result has 91 places, 59 transitions, 168 flow [2021-04-28 18:10:33,218 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=91, PETRI_TRANSITIONS=59} [2021-04-28 18:10:33,219 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -67 predicate places. [2021-04-28 18:10:33,219 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:10:33,219 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 59 transitions, 168 flow [2021-04-28 18:10:33,221 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 59 transitions, 168 flow [2021-04-28 18:10:33,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 59 transitions, 168 flow [2021-04-28 18:10:33,318 INFO L129 PetriNetUnfolder]: 152/585 cut-off events. [2021-04-28 18:10:33,318 INFO L130 PetriNetUnfolder]: For 39/47 co-relation queries the response was YES. [2021-04-28 18:10:33,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 953 conditions, 585 events. 152/585 cut-off events. For 39/47 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4545 event pairs, 71 based on Foata normal form. 0/403 useless extension candidates. Maximal degree in co-relation 944. Up to 221 conditions per place. [2021-04-28 18:10:33,336 INFO L146 LiptonReduction]: Number of co-enabled transitions 1952 [2021-04-28 18:10:33,535 INFO L158 LiptonReduction]: Checked pairs total: 1391 [2021-04-28 18:10:33,535 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:10:33,535 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 316 [2021-04-28 18:10:33,537 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 59 transitions, 168 flow [2021-04-28 18:10:33,538 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 18:10:33,538 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:10:33,538 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:10:33,539 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:10:33,539 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 18:10:33,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:10:33,539 INFO L82 PathProgramCache]: Analyzing trace with hash -718390378, now seen corresponding path program 1 times [2021-04-28 18:10:33,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:10:33,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398860738] [2021-04-28 18:10:33,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:10:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:10:33,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:33,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:10:33,616 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 18:10:33,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398860738] [2021-04-28 18:10:33,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:10:33,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:10:33,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935012871] [2021-04-28 18:10:33,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:10:33,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:10:33,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:10:33,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:10:33,620 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 427 [2021-04-28 18:10:33,622 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 59 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 0 states have call successors, (0), 0 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 18:10:33,622 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:10:33,622 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 427 [2021-04-28 18:10:33,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:10:33,700 INFO L129 PetriNetUnfolder]: 122/472 cut-off events. [2021-04-28 18:10:33,700 INFO L130 PetriNetUnfolder]: For 95/115 co-relation queries the response was YES. [2021-04-28 18:10:33,703 INFO L84 FinitePrefix]: Finished finitePrefix Result has 823 conditions, 472 events. 122/472 cut-off events. For 95/115 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3233 event pairs, 52 based on Foata normal form. 3/330 useless extension candidates. Maximal degree in co-relation 812. Up to 181 conditions per place. [2021-04-28 18:10:33,706 INFO L132 encePairwiseOnDemand]: 424/427 looper letters, 1 selfloop transitions, 3 changer transitions 0/59 dead transitions. [2021-04-28 18:10:33,706 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 59 transitions, 176 flow [2021-04-28 18:10:33,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:10:33,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:10:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 892 transitions. [2021-04-28 18:10:33,710 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6963309914129586 [2021-04-28 18:10:33,710 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 892 transitions. [2021-04-28 18:10:33,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 892 transitions. [2021-04-28 18:10:33,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:10:33,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 892 transitions. [2021-04-28 18:10:33,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 297.3333333333333) internal successors, (892), 3 states have internal predecessors, (892), 0 states have call successors, (0), 0 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 18:10:33,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 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 18:10:33,719 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 427.0) internal successors, (1708), 4 states have internal predecessors, (1708), 0 states have call successors, (0), 0 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 18:10:33,719 INFO L185 Difference]: Start difference. First operand has 66 places, 59 transitions, 168 flow. Second operand 3 states and 892 transitions. [2021-04-28 18:10:33,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 59 transitions, 176 flow [2021-04-28 18:10:33,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 59 transitions, 162 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:10:33,724 INFO L241 Difference]: Finished difference. Result has 67 places, 59 transitions, 165 flow [2021-04-28 18:10:33,725 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=165, PETRI_PLACES=67, PETRI_TRANSITIONS=59} [2021-04-28 18:10:33,725 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -91 predicate places. [2021-04-28 18:10:33,725 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:10:33,725 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 59 transitions, 165 flow [2021-04-28 18:10:33,725 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 59 transitions, 165 flow [2021-04-28 18:10:33,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 59 transitions, 165 flow [2021-04-28 18:10:33,806 INFO L129 PetriNetUnfolder]: 122/524 cut-off events. [2021-04-28 18:10:33,806 INFO L130 PetriNetUnfolder]: For 40/46 co-relation queries the response was YES. [2021-04-28 18:10:33,809 INFO L84 FinitePrefix]: Finished finitePrefix Result has 806 conditions, 524 events. 122/524 cut-off events. For 40/46 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3981 event pairs, 62 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 796. Up to 181 conditions per place. [2021-04-28 18:10:33,821 INFO L146 LiptonReduction]: Number of co-enabled transitions 1948 [2021-04-28 18:10:33,832 INFO L158 LiptonReduction]: Checked pairs total: 1389 [2021-04-28 18:10:33,832 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:10:33,832 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 107 [2021-04-28 18:10:33,834 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 59 transitions, 165 flow [2021-04-28 18:10:33,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 0 states have call successors, (0), 0 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 18:10:33,835 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:10:33,835 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:10:33,835 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:10:33,836 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 18:10:33,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:10:33,836 INFO L82 PathProgramCache]: Analyzing trace with hash -98919177, now seen corresponding path program 1 times [2021-04-28 18:10:33,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:10:33,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278306997] [2021-04-28 18:10:33,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:10:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:10:33,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:33,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:10:33,913 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:10:33,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:10:33,929 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 18:10:33,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278306997] [2021-04-28 18:10:33,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:10:33,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:10:33,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569532264] [2021-04-28 18:10:33,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:10:33,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:10:33,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:10:33,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:10:33,934 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 427 [2021-04-28 18:10:33,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 59 transitions, 165 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 18:10:33,936 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:10:33,936 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 427 [2021-04-28 18:10:33,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:10:34,050 INFO L129 PetriNetUnfolder]: 106/428 cut-off events. [2021-04-28 18:10:34,051 INFO L130 PetriNetUnfolder]: For 76/323 co-relation queries the response was YES. [2021-04-28 18:10:34,053 INFO L84 FinitePrefix]: Finished finitePrefix Result has 870 conditions, 428 events. 106/428 cut-off events. For 76/323 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 2877 event pairs, 47 based on Foata normal form. 11/308 useless extension candidates. Maximal degree in co-relation 858. Up to 161 conditions per place. [2021-04-28 18:10:34,057 INFO L132 encePairwiseOnDemand]: 419/427 looper letters, 11 selfloop transitions, 11 changer transitions 0/67 dead transitions. [2021-04-28 18:10:34,057 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 67 transitions, 247 flow [2021-04-28 18:10:34,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:10:34,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:10:34,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 975 transitions. [2021-04-28 18:10:34,062 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5708430913348946 [2021-04-28 18:10:34,062 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 975 transitions. [2021-04-28 18:10:34,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 975 transitions. [2021-04-28 18:10:34,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:10:34,064 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 975 transitions. [2021-04-28 18:10:34,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 0 states have call successors, (0), 0 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 18:10:34,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 427.0) internal successors, (2135), 5 states have internal predecessors, (2135), 0 states have call successors, (0), 0 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 18:10:34,072 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 427.0) internal successors, (2135), 5 states have internal predecessors, (2135), 0 states have call successors, (0), 0 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 18:10:34,073 INFO L185 Difference]: Start difference. First operand has 67 places, 59 transitions, 165 flow. Second operand 4 states and 975 transitions. [2021-04-28 18:10:34,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 67 transitions, 247 flow [2021-04-28 18:10:34,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 67 transitions, 237 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:10:34,079 INFO L241 Difference]: Finished difference. Result has 70 places, 64 transitions, 223 flow [2021-04-28 18:10:34,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=223, PETRI_PLACES=70, PETRI_TRANSITIONS=64} [2021-04-28 18:10:34,079 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -88 predicate places. [2021-04-28 18:10:34,080 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:10:34,080 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 64 transitions, 223 flow [2021-04-28 18:10:34,080 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 64 transitions, 223 flow [2021-04-28 18:10:34,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 64 transitions, 223 flow [2021-04-28 18:10:34,140 INFO L129 PetriNetUnfolder]: 106/412 cut-off events. [2021-04-28 18:10:34,140 INFO L130 PetriNetUnfolder]: For 139/181 co-relation queries the response was YES. [2021-04-28 18:10:34,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 816 conditions, 412 events. 106/412 cut-off events. For 139/181 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2827 event pairs, 37 based on Foata normal form. 1/292 useless extension candidates. Maximal degree in co-relation 804. Up to 161 conditions per place. [2021-04-28 18:10:34,154 INFO L146 LiptonReduction]: Number of co-enabled transitions 2166 [2021-04-28 18:10:34,302 INFO L158 LiptonReduction]: Checked pairs total: 1578 [2021-04-28 18:10:34,303 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:10:34,303 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 223 [2021-04-28 18:10:34,307 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 64 transitions, 223 flow [2021-04-28 18:10:34,308 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 18:10:34,308 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:10:34,308 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:10:34,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:10:34,309 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 18:10:34,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:10:34,309 INFO L82 PathProgramCache]: Analyzing trace with hash 406189937, now seen corresponding path program 1 times [2021-04-28 18:10:34,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:10:34,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650393970] [2021-04-28 18:10:34,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:10:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:10:34,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:34,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:10:34,386 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:10:34,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:10:34,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:34,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:10:34,397 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 18:10:34,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650393970] [2021-04-28 18:10:34,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:10:34,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:10:34,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187764032] [2021-04-28 18:10:34,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:10:34,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:10:34,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:10:34,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:10:34,401 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 427 [2021-04-28 18:10:34,403 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 64 transitions, 223 flow. Second operand has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 0 states have call successors, (0), 0 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 18:10:34,403 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:10:34,403 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 427 [2021-04-28 18:10:34,403 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:10:41,475 INFO L129 PetriNetUnfolder]: 43892/65394 cut-off events. [2021-04-28 18:10:41,475 INFO L130 PetriNetUnfolder]: For 2239/2354 co-relation queries the response was YES. [2021-04-28 18:10:41,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132242 conditions, 65394 events. 43892/65394 cut-off events. For 2239/2354 co-relation queries the response was YES. Maximal size of possible extension queue 9768. Compared 607310 event pairs, 23166 based on Foata normal form. 1204/20178 useless extension candidates. Maximal degree in co-relation 132228. Up to 41674 conditions per place. [2021-04-28 18:10:42,151 INFO L132 encePairwiseOnDemand]: 407/427 looper letters, 34 selfloop transitions, 33 changer transitions 0/108 dead transitions. [2021-04-28 18:10:42,152 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 108 transitions, 445 flow [2021-04-28 18:10:42,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:10:42,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:10:42,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1706 transitions. [2021-04-28 18:10:42,159 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7990632318501171 [2021-04-28 18:10:42,159 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1706 transitions. [2021-04-28 18:10:42,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1706 transitions. [2021-04-28 18:10:42,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:10:42,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1706 transitions. [2021-04-28 18:10:42,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 341.2) internal successors, (1706), 5 states have internal predecessors, (1706), 0 states have call successors, (0), 0 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 18:10:42,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 427.0) internal successors, (2562), 6 states have internal predecessors, (2562), 0 states have call successors, (0), 0 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 18:10:42,176 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 427.0) internal successors, (2562), 6 states have internal predecessors, (2562), 0 states have call successors, (0), 0 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 18:10:42,176 INFO L185 Difference]: Start difference. First operand has 70 places, 64 transitions, 223 flow. Second operand 5 states and 1706 transitions. [2021-04-28 18:10:42,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 108 transitions, 445 flow [2021-04-28 18:10:42,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 108 transitions, 445 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:10:42,190 INFO L241 Difference]: Finished difference. Result has 77 places, 95 transitions, 469 flow [2021-04-28 18:10:42,191 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=469, PETRI_PLACES=77, PETRI_TRANSITIONS=95} [2021-04-28 18:10:42,191 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -81 predicate places. [2021-04-28 18:10:42,191 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:10:42,191 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 95 transitions, 469 flow [2021-04-28 18:10:42,192 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 95 transitions, 469 flow [2021-04-28 18:10:42,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 95 transitions, 469 flow [2021-04-28 18:10:47,112 INFO L129 PetriNetUnfolder]: 36213/54670 cut-off events. [2021-04-28 18:10:47,113 INFO L130 PetriNetUnfolder]: For 11787/38738 co-relation queries the response was YES. [2021-04-28 18:10:47,320 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155936 conditions, 54670 events. 36213/54670 cut-off events. For 11787/38738 co-relation queries the response was YES. Maximal size of possible extension queue 8458. Compared 532461 event pairs, 20589 based on Foata normal form. 21/16550 useless extension candidates. Maximal degree in co-relation 155919. Up to 51170 conditions per place. [2021-04-28 18:10:47,958 INFO L146 LiptonReduction]: Number of co-enabled transitions 3194 [2021-04-28 18:10:55,021 INFO L158 LiptonReduction]: Checked pairs total: 3111 [2021-04-28 18:10:55,022 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:10:55,022 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12831 [2021-04-28 18:10:55,023 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 95 transitions, 469 flow [2021-04-28 18:10:55,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 328.75) internal successors, (1315), 4 states have internal predecessors, (1315), 0 states have call successors, (0), 0 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 18:10:55,025 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:10:55,025 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:10:55,025 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:10:55,025 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 18:10:55,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:10:55,026 INFO L82 PathProgramCache]: Analyzing trace with hash 347519102, now seen corresponding path program 1 times [2021-04-28 18:10:55,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:10:55,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354756585] [2021-04-28 18:10:55,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:10:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:10:55,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:55,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:10:55,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:10:55,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:10:55,086 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:10:55,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:10:55,098 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 18:10:55,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354756585] [2021-04-28 18:10:55,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:10:55,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:10:55,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186979020] [2021-04-28 18:10:55,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:10:55,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:10:55,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:10:55,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:10:55,102 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 239 out of 427 [2021-04-28 18:10:55,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 95 transitions, 469 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 18:10:55,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:10:55,104 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 239 of 427 [2021-04-28 18:10:55,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:11:02,473 INFO L129 PetriNetUnfolder]: 54722/82115 cut-off events. [2021-04-28 18:11:02,473 INFO L130 PetriNetUnfolder]: For 16590/56071 co-relation queries the response was YES. [2021-04-28 18:11:02,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 235804 conditions, 82115 events. 54722/82115 cut-off events. For 16590/56071 co-relation queries the response was YES. Maximal size of possible extension queue 12621. Compared 787768 event pairs, 31239 based on Foata normal form. 433/25013 useless extension candidates. Maximal degree in co-relation 235785. Up to 78005 conditions per place. [2021-04-28 18:11:03,069 INFO L132 encePairwiseOnDemand]: 421/427 looper letters, 14 selfloop transitions, 9 changer transitions 0/99 dead transitions. [2021-04-28 18:11:03,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 99 transitions, 532 flow [2021-04-28 18:11:03,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:11:03,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:11:03,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 974 transitions. [2021-04-28 18:11:03,075 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5702576112412178 [2021-04-28 18:11:03,075 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 974 transitions. [2021-04-28 18:11:03,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 974 transitions. [2021-04-28 18:11:03,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:11:03,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 974 transitions. [2021-04-28 18:11:03,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 243.5) internal successors, (974), 4 states have internal predecessors, (974), 0 states have call successors, (0), 0 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 18:11:03,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 427.0) internal successors, (2135), 5 states have internal predecessors, (2135), 0 states have call successors, (0), 0 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 18:11:03,084 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 427.0) internal successors, (2135), 5 states have internal predecessors, (2135), 0 states have call successors, (0), 0 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 18:11:03,084 INFO L185 Difference]: Start difference. First operand has 77 places, 95 transitions, 469 flow. Second operand 4 states and 974 transitions. [2021-04-28 18:11:03,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 99 transitions, 532 flow [2021-04-28 18:11:03,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 99 transitions, 532 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 18:11:03,191 INFO L241 Difference]: Finished difference. Result has 81 places, 95 transitions, 494 flow [2021-04-28 18:11:03,192 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=494, PETRI_PLACES=81, PETRI_TRANSITIONS=95} [2021-04-28 18:11:03,192 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -77 predicate places. [2021-04-28 18:11:03,192 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:11:03,192 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 95 transitions, 494 flow [2021-04-28 18:11:03,192 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 95 transitions, 494 flow [2021-04-28 18:11:03,193 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 95 transitions, 494 flow [2021-04-28 18:11:09,893 INFO L129 PetriNetUnfolder]: 53317/79674 cut-off events. [2021-04-28 18:11:09,893 INFO L130 PetriNetUnfolder]: For 18436/49607 co-relation queries the response was YES. [2021-04-28 18:11:10,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 228026 conditions, 79674 events. 53317/79674 cut-off events. For 18436/49607 co-relation queries the response was YES. Maximal size of possible extension queue 11735. Compared 776366 event pairs, 30323 based on Foata normal form. 24/23931 useless extension candidates. Maximal degree in co-relation 228006. Up to 75467 conditions per place. [2021-04-28 18:11:11,198 INFO L146 LiptonReduction]: Number of co-enabled transitions 3192 [2021-04-28 18:11:27,500 INFO L158 LiptonReduction]: Checked pairs total: 3111 [2021-04-28 18:11:27,500 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:11:27,500 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24308 [2021-04-28 18:11:27,502 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 95 transitions, 494 flow [2021-04-28 18:11:27,503 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 18:11:27,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:11:27,503 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:11:27,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:11:27,503 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 18:11:27,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:11:27,504 INFO L82 PathProgramCache]: Analyzing trace with hash 778987998, now seen corresponding path program 1 times [2021-04-28 18:11:27,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:11:27,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722162260] [2021-04-28 18:11:27,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:11:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:11:27,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:11:27,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:11:27,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:11:27,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:11:27,575 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:11:27,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:11:27,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:11:27,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:11:27,591 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 18:11:27,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722162260] [2021-04-28 18:11:27,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:11:27,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:11:27,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934882822] [2021-04-28 18:11:27,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:11:27,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:11:27,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:11:27,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:11:27,596 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 427 [2021-04-28 18:11:27,598 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 95 transitions, 494 flow. Second operand has 5 states, 5 states have (on average 328.8) internal successors, (1644), 5 states have internal predecessors, (1644), 0 states have call successors, (0), 0 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 18:11:27,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:11:27,598 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 427 [2021-04-28 18:11:27,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:11:36,254 INFO L129 PetriNetUnfolder]: 66884/104289 cut-off events. [2021-04-28 18:11:36,254 INFO L130 PetriNetUnfolder]: For 29066/139885 co-relation queries the response was YES. [2021-04-28 18:11:36,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 400497 conditions, 104289 events. 66884/104289 cut-off events. For 29066/139885 co-relation queries the response was YES. Maximal size of possible extension queue 16146. Compared 1055476 event pairs, 13419 based on Foata normal form. 1969/35713 useless extension candidates. Maximal degree in co-relation 400475. Up to 97325 conditions per place. [2021-04-28 18:11:37,318 INFO L132 encePairwiseOnDemand]: 407/427 looper letters, 35 selfloop transitions, 64 changer transitions 0/140 dead transitions. [2021-04-28 18:11:37,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 140 transitions, 941 flow [2021-04-28 18:11:37,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:11:37,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:11:37,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2392 transitions. [2021-04-28 18:11:37,325 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8002676480428237 [2021-04-28 18:11:37,325 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2392 transitions. [2021-04-28 18:11:37,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2392 transitions. [2021-04-28 18:11:37,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:11:37,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2392 transitions. [2021-04-28 18:11:37,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 341.7142857142857) internal successors, (2392), 7 states have internal predecessors, (2392), 0 states have call successors, (0), 0 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 18:11:37,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 427.0) internal successors, (3416), 8 states have internal predecessors, (3416), 0 states have call successors, (0), 0 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 18:11:37,355 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 427.0) internal successors, (3416), 8 states have internal predecessors, (3416), 0 states have call successors, (0), 0 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 18:11:37,355 INFO L185 Difference]: Start difference. First operand has 81 places, 95 transitions, 494 flow. Second operand 7 states and 2392 transitions. [2021-04-28 18:11:37,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 140 transitions, 941 flow [2021-04-28 18:11:37,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 140 transitions, 914 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-04-28 18:11:37,584 INFO L241 Difference]: Finished difference. Result has 88 places, 126 transitions, 909 flow [2021-04-28 18:11:37,584 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=909, PETRI_PLACES=88, PETRI_TRANSITIONS=126} [2021-04-28 18:11:37,584 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -70 predicate places. [2021-04-28 18:11:37,584 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:11:37,585 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 126 transitions, 909 flow [2021-04-28 18:11:37,585 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 126 transitions, 909 flow [2021-04-28 18:11:37,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 126 transitions, 909 flow [2021-04-28 18:11:46,135 INFO L129 PetriNetUnfolder]: 60594/95653 cut-off events. [2021-04-28 18:11:46,135 INFO L130 PetriNetUnfolder]: For 104177/268367 co-relation queries the response was YES. [2021-04-28 18:11:46,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 452661 conditions, 95653 events. 60594/95653 cut-off events. For 104177/268367 co-relation queries the response was YES. Maximal size of possible extension queue 15527. Compared 1008585 event pairs, 12986 based on Foata normal form. 56/29293 useless extension candidates. Maximal degree in co-relation 452638. Up to 91250 conditions per place. [2021-04-28 18:11:52,537 INFO L146 LiptonReduction]: Number of co-enabled transitions 4464 [2021-04-28 18:12:26,463 INFO L158 LiptonReduction]: Checked pairs total: 6591 [2021-04-28 18:12:26,463 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:12:26,463 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48879 [2021-04-28 18:12:26,464 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 126 transitions, 909 flow [2021-04-28 18:12:26,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 328.8) internal successors, (1644), 5 states have internal predecessors, (1644), 0 states have call successors, (0), 0 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 18:12:26,465 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:12:26,465 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:12:26,466 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:12:26,466 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 18:12:26,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:12:26,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1073405908, now seen corresponding path program 1 times [2021-04-28 18:12:26,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:12:26,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318831201] [2021-04-28 18:12:26,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:12:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:12:26,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:12:26,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:12:26,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:12:26,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:12:26,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:12:26,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:12:26,580 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:12:26,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:12:26,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:12:26,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:12:26,591 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 18:12:26,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318831201] [2021-04-28 18:12:26,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:12:26,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:12:26,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839055195] [2021-04-28 18:12:26,592 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:12:26,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:12:26,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:12:26,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:12:26,596 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 427 [2021-04-28 18:12:26,598 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 126 transitions, 909 flow. Second operand has 6 states, 6 states have (on average 328.8333333333333) internal successors, (1973), 6 states have internal predecessors, (1973), 0 states have call successors, (0), 0 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 18:12:26,598 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:12:26,598 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 427 [2021-04-28 18:12:26,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:12:38,404 INFO L129 PetriNetUnfolder]: 60695/100268 cut-off events. [2021-04-28 18:12:38,405 INFO L130 PetriNetUnfolder]: For 90755/438668 co-relation queries the response was YES. [2021-04-28 18:12:38,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 569618 conditions, 100268 events. 60695/100268 cut-off events. For 90755/438668 co-relation queries the response was YES. Maximal size of possible extension queue 15759. Compared 1101009 event pairs, 2054 based on Foata normal form. 1957/34522 useless extension candidates. Maximal degree in co-relation 569593. Up to 94565 conditions per place. [2021-04-28 18:12:39,184 INFO L132 encePairwiseOnDemand]: 407/427 looper letters, 24 selfloop transitions, 95 changer transitions 12/172 dead transitions. [2021-04-28 18:12:39,185 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 172 transitions, 1581 flow [2021-04-28 18:12:39,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 18:12:39,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 18:12:39,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3078 transitions. [2021-04-28 18:12:39,194 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8009367681498829 [2021-04-28 18:12:39,195 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 3078 transitions. [2021-04-28 18:12:39,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 3078 transitions. [2021-04-28 18:12:39,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:12:39,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 3078 transitions. [2021-04-28 18:12:39,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 342.0) internal successors, (3078), 9 states have internal predecessors, (3078), 0 states have call successors, (0), 0 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 18:12:39,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 427.0) internal successors, (4270), 10 states have internal predecessors, (4270), 0 states have call successors, (0), 0 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 18:12:39,441 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 427.0) internal successors, (4270), 10 states have internal predecessors, (4270), 0 states have call successors, (0), 0 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 18:12:39,441 INFO L185 Difference]: Start difference. First operand has 88 places, 126 transitions, 909 flow. Second operand 9 states and 3078 transitions. [2021-04-28 18:12:39,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 172 transitions, 1581 flow [2021-04-28 18:13:00,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 172 transitions, 1411 flow, removed 55 selfloop flow, removed 4 redundant places. [2021-04-28 18:13:00,008 INFO L241 Difference]: Finished difference. Result has 95 places, 157 transitions, 1330 flow [2021-04-28 18:13:00,008 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=740, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1330, PETRI_PLACES=95, PETRI_TRANSITIONS=157} [2021-04-28 18:13:00,009 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -63 predicate places. [2021-04-28 18:13:00,009 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:13:00,009 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 157 transitions, 1330 flow [2021-04-28 18:13:00,009 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 157 transitions, 1330 flow [2021-04-28 18:13:00,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 157 transitions, 1330 flow [2021-04-28 18:13:08,642 INFO L129 PetriNetUnfolder]: 43553/77627 cut-off events. [2021-04-28 18:13:08,643 INFO L130 PetriNetUnfolder]: For 380681/657786 co-relation queries the response was YES. [2021-04-28 18:13:09,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 451926 conditions, 77627 events. 43553/77627 cut-off events. For 380681/657786 co-relation queries the response was YES. Maximal size of possible extension queue 14904. Compared 952894 event pairs, 2047 based on Foata normal form. 1/23265 useless extension candidates. Maximal degree in co-relation 451901. Up to 62722 conditions per place. [2021-04-28 18:13:10,093 INFO L146 LiptonReduction]: Number of co-enabled transitions 5184 [2021-04-28 18:14:19,452 INFO L158 LiptonReduction]: Checked pairs total: 10581 [2021-04-28 18:14:19,452 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:14:19,452 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 79443 [2021-04-28 18:14:19,453 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 157 transitions, 1330 flow [2021-04-28 18:14:19,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 328.8333333333333) internal successors, (1973), 6 states have internal predecessors, (1973), 0 states have call successors, (0), 0 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 18:14:19,454 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:14:19,454 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:14:19,454 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 18:14:19,454 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 18:14:19,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:14:19,455 INFO L82 PathProgramCache]: Analyzing trace with hash 2051483158, now seen corresponding path program 1 times [2021-04-28 18:14:19,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:14:19,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812332601] [2021-04-28 18:14:19,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:14:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:14:19,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:14:19,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:14:19,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:14:19,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:14:19,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:14:19,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:14:19,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:14:19,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:14:19,598 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 18:14:19,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:14:19,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:14:19,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:14:19,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 18:14:19,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812332601] [2021-04-28 18:14:19,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:14:19,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 18:14:19,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910952009] [2021-04-28 18:14:19,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 18:14:19,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:14:19,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 18:14:19,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 18:14:19,616 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 328 out of 427 [2021-04-28 18:14:19,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 157 transitions, 1330 flow. Second operand has 7 states, 7 states have (on average 328.85714285714283) internal successors, (2302), 7 states have internal predecessors, (2302), 0 states have call successors, (0), 0 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 18:14:19,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:14:19,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 328 of 427 [2021-04-28 18:14:19,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:14:30,542 INFO L129 PetriNetUnfolder]: 43118/78155 cut-off events. [2021-04-28 18:14:30,542 INFO L130 PetriNetUnfolder]: For 182559/377265 co-relation queries the response was YES. [2021-04-28 18:14:31,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 524188 conditions, 78155 events. 43118/78155 cut-off events. For 182559/377265 co-relation queries the response was YES. Maximal size of possible extension queue 15624. Compared 942919 event pairs, 29 based on Foata normal form. 1263/26079 useless extension candidates. Maximal degree in co-relation 524161. Up to 61417 conditions per place. [2021-04-28 18:14:31,421 INFO L132 encePairwiseOnDemand]: 407/427 looper letters, 6 selfloop transitions, 113 changer transitions 23/180 dead transitions. [2021-04-28 18:14:31,422 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 180 transitions, 1818 flow [2021-04-28 18:14:31,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 18:14:31,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 18:14:31,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3740 transitions. [2021-04-28 18:14:31,432 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7962529274004684 [2021-04-28 18:14:31,432 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3740 transitions. [2021-04-28 18:14:31,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3740 transitions. [2021-04-28 18:14:31,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:14:31,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3740 transitions. [2021-04-28 18:14:31,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 340.0) internal successors, (3740), 11 states have internal predecessors, (3740), 0 states have call successors, (0), 0 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 18:14:31,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 427.0) internal successors, (5124), 12 states have internal predecessors, (5124), 0 states have call successors, (0), 0 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 18:14:31,455 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 427.0) internal successors, (5124), 12 states have internal predecessors, (5124), 0 states have call successors, (0), 0 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 18:14:31,455 INFO L185 Difference]: Start difference. First operand has 95 places, 157 transitions, 1330 flow. Second operand 11 states and 3740 transitions. [2021-04-28 18:14:31,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 180 transitions, 1818 flow [2021-04-28 18:20:03,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 180 transitions, 1479 flow, removed 109 selfloop flow, removed 6 redundant places. [2021-04-28 18:20:03,748 INFO L241 Difference]: Finished difference. Result has 102 places, 154 transitions, 1254 flow [2021-04-28 18:20:03,748 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=992, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1254, PETRI_PLACES=102, PETRI_TRANSITIONS=154} [2021-04-28 18:20:03,748 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -56 predicate places. [2021-04-28 18:20:03,748 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:20:03,748 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 154 transitions, 1254 flow [2021-04-28 18:20:03,749 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 154 transitions, 1254 flow [2021-04-28 18:20:03,750 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 154 transitions, 1254 flow [2021-04-28 18:20:06,296 INFO L129 PetriNetUnfolder]: 15488/29545 cut-off events. [2021-04-28 18:20:06,296 INFO L130 PetriNetUnfolder]: For 72749/108768 co-relation queries the response was YES. [2021-04-28 18:20:06,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131694 conditions, 29545 events. 15488/29545 cut-off events. For 72749/108768 co-relation queries the response was YES. Maximal size of possible extension queue 6750. Compared 352046 event pairs, 12 based on Foata normal form. 1/8640 useless extension candidates. Maximal degree in co-relation 131667. Up to 17280 conditions per place. [2021-04-28 18:20:06,772 INFO L146 LiptonReduction]: Number of co-enabled transitions 4386 [2021-04-28 18:21:06,168 INFO L158 LiptonReduction]: Checked pairs total: 9863 [2021-04-28 18:21:06,169 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:21:06,169 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 62421 [2021-04-28 18:21:06,170 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 154 transitions, 1254 flow [2021-04-28 18:21:06,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 328.85714285714283) internal successors, (2302), 7 states have internal predecessors, (2302), 0 states have call successors, (0), 0 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 18:21:06,171 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:21:06,171 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:21:06,171 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 18:21:06,171 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 18:21:06,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:21:06,172 INFO L82 PathProgramCache]: Analyzing trace with hash -323772140, now seen corresponding path program 1 times [2021-04-28 18:21:06,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:21:06,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944382675] [2021-04-28 18:21:06,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:21:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:21:06,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:21:06,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:21:06,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:21:06,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:21:06,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:21:06,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:21:06,264 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 18:21:06,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 18:21:06,278 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 18:21:06,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944382675] [2021-04-28 18:21:06,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:21:06,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:21:06,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667348836] [2021-04-28 18:21:06,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:21:06,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:21:06,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:21:06,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:21:06,283 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 427 [2021-04-28 18:21:06,284 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 154 transitions, 1254 flow. Second operand has 5 states, 5 states have (on average 237.8) internal successors, (1189), 5 states have internal predecessors, (1189), 0 states have call successors, (0), 0 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 18:21:06,284 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:21:06,284 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 427 [2021-04-28 18:21:06,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:21:11,476 INFO L129 PetriNetUnfolder]: 26117/49423 cut-off events. [2021-04-28 18:21:11,476 INFO L130 PetriNetUnfolder]: For 112951/163737 co-relation queries the response was YES. [2021-04-28 18:21:11,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 220847 conditions, 49423 events. 26117/49423 cut-off events. For 112951/163737 co-relation queries the response was YES. Maximal size of possible extension queue 11745. Compared 613678 event pairs, 7 based on Foata normal form. 88/14815 useless extension candidates. Maximal degree in co-relation 220818. Up to 29376 conditions per place. [2021-04-28 18:21:11,884 INFO L132 encePairwiseOnDemand]: 418/427 looper letters, 16 selfloop transitions, 16 changer transitions 0/169 dead transitions. [2021-04-28 18:21:11,884 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 169 transitions, 1395 flow [2021-04-28 18:21:11,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 18:21:11,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 18:21:11,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1444 transitions. [2021-04-28 18:21:11,890 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5636221701795472 [2021-04-28 18:21:11,890 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1444 transitions. [2021-04-28 18:21:11,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1444 transitions. [2021-04-28 18:21:11,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:21:11,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1444 transitions. [2021-04-28 18:21:11,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 240.66666666666666) internal successors, (1444), 6 states have internal predecessors, (1444), 0 states have call successors, (0), 0 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 18:21:11,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 427.0) internal successors, (2989), 7 states have internal predecessors, (2989), 0 states have call successors, (0), 0 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 18:21:11,900 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 427.0) internal successors, (2989), 7 states have internal predecessors, (2989), 0 states have call successors, (0), 0 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 18:21:11,900 INFO L185 Difference]: Start difference. First operand has 100 places, 154 transitions, 1254 flow. Second operand 6 states and 1444 transitions. [2021-04-28 18:21:11,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 169 transitions, 1395 flow [2021-04-28 18:23:09,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 169 transitions, 1010 flow, removed 82 selfloop flow, removed 12 redundant places. [2021-04-28 18:23:09,367 INFO L241 Difference]: Finished difference. Result has 95 places, 161 transitions, 955 flow [2021-04-28 18:23:09,367 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=427, PETRI_DIFFERENCE_MINUEND_FLOW=877, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=955, PETRI_PLACES=95, PETRI_TRANSITIONS=161} [2021-04-28 18:23:09,367 INFO L343 CegarLoopForPetriNet]: 158 programPoint places, -63 predicate places. [2021-04-28 18:23:09,367 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:23:09,368 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 161 transitions, 955 flow [2021-04-28 18:23:09,368 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 161 transitions, 955 flow [2021-04-28 18:23:09,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 161 transitions, 955 flow [2021-04-28 18:23:12,945 INFO L129 PetriNetUnfolder]: 24444/46108 cut-off events. [2021-04-28 18:23:12,946 INFO L130 PetriNetUnfolder]: For 30336/31816 co-relation queries the response was YES. [2021-04-28 18:23:14,052 INFO L84 FinitePrefix]: Finished finitePrefix Result has 176644 conditions, 46108 events. 24444/46108 cut-off events. For 30336/31816 co-relation queries the response was YES. Maximal size of possible extension queue 11326. Compared 569227 event pairs, 14 based on Foata normal form. 1/13652 useless extension candidates. Maximal degree in co-relation 176620. Up to 27648 conditions per place. [2021-04-28 18:23:14,518 INFO L146 LiptonReduction]: Number of co-enabled transitions 4882 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown