/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-ext/01_inc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 22:51:31,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 22:51:31,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 22:51:31,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 22:51:31,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 22:51:31,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 22:51:31,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 22:51:31,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 22:51:31,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 22:51:31,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 22:51:31,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 22:51:31,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 22:51:31,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 22:51:31,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 22:51:31,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 22:51:31,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 22:51:31,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 22:51:31,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 22:51:31,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 22:51:31,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 22:51:31,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 22:51:31,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 22:51:31,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 22:51:31,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 22:51:31,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 22:51:31,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 22:51:31,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 22:51:31,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 22:51:31,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 22:51:31,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 22:51:31,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 22:51:31,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 22:51:31,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 22:51:31,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 22:51:31,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 22:51:31,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 22:51:31,146 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 [2021-03-25 22:51:31,176 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 22:51:31,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 22:51:31,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 22:51:31,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 22:51:31,180 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 22:51:31,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 22:51:31,180 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 22:51:31,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 22:51:31,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 22:51:31,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 22:51:31,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 22:51:31,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 22:51:31,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 22:51:31,181 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 22:51:31,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 22:51:31,182 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 22:51:31,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 22:51:31,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 22:51:31,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 22:51:31,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 22:51:31,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 22:51:31,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 22:51:31,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 22:51:31,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 22:51:31,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 22:51:31,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 22:51:31,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 22:51:31,183 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-25 22:51:31,183 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 22:51:31,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 22:51:31,184 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 22:51:31,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 22:51:31,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 22:51:31,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 22:51:31,530 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 22:51:31,531 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 22:51:31,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/01_inc.i [2021-03-25 22:51:31,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a52d32d1b/5c35f6ffae4f46f28d6a5ba3e51d37ee/FLAG305a88f26 [2021-03-25 22:51:32,105 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 22:51:32,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01_inc.i [2021-03-25 22:51:32,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a52d32d1b/5c35f6ffae4f46f28d6a5ba3e51d37ee/FLAG305a88f26 [2021-03-25 22:51:32,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a52d32d1b/5c35f6ffae4f46f28d6a5ba3e51d37ee [2021-03-25 22:51:32,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 22:51:32,592 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 22:51:32,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 22:51:32,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 22:51:32,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 22:51:32,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 10:51:32" (1/1) ... [2021-03-25 22:51:32,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7daad7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:51:32, skipping insertion in model container [2021-03-25 22:51:32,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 10:51:32" (1/1) ... [2021-03-25 22:51:32,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 22:51:32,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 22:51:32,801 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-25 22:51:32,878 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-ext/01_inc.i[30915,30928] [2021-03-25 22:51:32,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 22:51:32,888 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 22:51:32,899 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-25 22:51:32,921 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-ext/01_inc.i[30915,30928] [2021-03-25 22:51:32,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 22:51:32,982 INFO L208 MainTranslator]: Completed translation [2021-03-25 22:51:32,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:51:32 WrapperNode [2021-03-25 22:51:32,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 22:51:32,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 22:51:32,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 22:51:32,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 22:51:32,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:51:32" (1/1) ... [2021-03-25 22:51:33,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:51:32" (1/1) ... [2021-03-25 22:51:33,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 22:51:33,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 22:51:33,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 22:51:33,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 22:51:33,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:51:32" (1/1) ... [2021-03-25 22:51:33,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:51:32" (1/1) ... [2021-03-25 22:51:33,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:51:32" (1/1) ... [2021-03-25 22:51:33,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:51:32" (1/1) ... [2021-03-25 22:51:33,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:51:32" (1/1) ... [2021-03-25 22:51:33,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:51:32" (1/1) ... [2021-03-25 22:51:33,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:51:32" (1/1) ... [2021-03-25 22:51:33,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 22:51:33,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 22:51:33,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 22:51:33,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 22:51:33,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:51:32" (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 [2021-03-25 22:51:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-03-25 22:51:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-03-25 22:51:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 22:51:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 22:51:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 22:51:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 22:51:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 22:51:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 22:51:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 22:51:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 22:51:33,161 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 22:51:33,528 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 22:51:33,528 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-03-25 22:51:33,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 10:51:33 BoogieIcfgContainer [2021-03-25 22:51:33,530 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 22:51:33,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 22:51:33,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 22:51:33,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 22:51:33,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 10:51:32" (1/3) ... [2021-03-25 22:51:33,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c302425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 10:51:33, skipping insertion in model container [2021-03-25 22:51:33,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 10:51:32" (2/3) ... [2021-03-25 22:51:33,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c302425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 10:51:33, skipping insertion in model container [2021-03-25 22:51:33,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 10:51:33" (3/3) ... [2021-03-25 22:51:33,536 INFO L111 eAbstractionObserver]: Analyzing ICFG 01_inc.i [2021-03-25 22:51:33,542 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 22:51:33,546 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 22:51:33,547 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 22:51:33,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:33,585 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 22:51:33,601 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-25 22:51:33,633 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 22:51:33,633 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 22:51:33,633 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 22:51:33,633 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 22:51:33,634 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 22:51:33,634 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 22:51:33,634 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 22:51:33,634 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 22:51:33,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 37 transitions, 79 flow [2021-03-25 22:51:33,683 INFO L129 PetriNetUnfolder]: 3/45 cut-off events. [2021-03-25 22:51:33,683 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 22:51:33,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 45 events. 3/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 23. Up to 4 conditions per place. [2021-03-25 22:51:33,687 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 37 transitions, 79 flow [2021-03-25 22:51:33,691 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 38 places, 37 transitions, 79 flow [2021-03-25 22:51:33,692 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:33,701 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 37 transitions, 79 flow [2021-03-25 22:51:33,704 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 37 transitions, 79 flow [2021-03-25 22:51:33,705 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 37 transitions, 79 flow [2021-03-25 22:51:33,719 INFO L129 PetriNetUnfolder]: 3/45 cut-off events. [2021-03-25 22:51:33,720 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 22:51:33,721 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 45 events. 3/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 23. Up to 4 conditions per place. [2021-03-25 22:51:33,723 INFO L142 LiptonReduction]: Number of co-enabled transitions 280 [2021-03-25 22:51:34,723 INFO L154 LiptonReduction]: Checked pairs total: 153 [2021-03-25 22:51:34,723 INFO L156 LiptonReduction]: Total number of compositions: 24 [2021-03-25 22:51:34,725 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1034 [2021-03-25 22:51:34,733 INFO L129 PetriNetUnfolder]: 1/18 cut-off events. [2021-03-25 22:51:34,733 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 22:51:34,733 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:34,733 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:34,734 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:51:34,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:34,737 INFO L82 PathProgramCache]: Analyzing trace with hash 926465567, now seen corresponding path program 1 times [2021-03-25 22:51:34,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:34,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850961433] [2021-03-25 22:51:34,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:34,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:34,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:34,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:34,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:34,920 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.7 percent of original size [2021-03-25 22:51:34,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 22:51:34,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:51:34,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850961433] [2021-03-25 22:51:34,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:51:34,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 22:51:34,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578387412] [2021-03-25 22:51:34,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 22:51:34,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:34,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 22:51:34,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 22:51:34,969 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 61 [2021-03-25 22:51:34,971 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 18 transitions, 41 flow. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:34,972 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:34,974 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 61 [2021-03-25 22:51:34,975 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:34,996 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-25 22:51:34,996 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 22:51:35,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 15 events. 0/15 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 8 event pairs, 0 based on Foata normal form. 5/19 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 22:51:35,002 INFO L132 encePairwiseOnDemand]: 55/61 looper letters, 2 selfloop transitions, 3 changer transitions 0/13 dead transitions. [2021-03-25 22:51:35,002 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 13 transitions, 41 flow [2021-03-25 22:51:35,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 22:51:35,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 22:51:35,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 153 transitions. [2021-03-25 22:51:35,015 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6270491803278688 [2021-03-25 22:51:35,015 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 153 transitions. [2021-03-25 22:51:35,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 153 transitions. [2021-03-25 22:51:35,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:35,019 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 153 transitions. [2021-03-25 22:51:35,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:35,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:35,030 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 61.0) internal successors, (305), 5 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:35,032 INFO L185 Difference]: Start difference. First operand has 20 places, 18 transitions, 41 flow. Second operand 4 states and 153 transitions. [2021-03-25 22:51:35,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 13 transitions, 41 flow [2021-03-25 22:51:35,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 13 transitions, 41 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 22:51:35,036 INFO L241 Difference]: Finished difference. Result has 19 places, 13 transitions, 37 flow [2021-03-25 22:51:35,037 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=61, PETRI_DIFFERENCE_MINUEND_FLOW=31, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=37, PETRI_PLACES=19, PETRI_TRANSITIONS=13} [2021-03-25 22:51:35,038 INFO L343 CegarLoopForPetriNet]: 20 programPoint places, -1 predicate places. [2021-03-25 22:51:35,038 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:35,038 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 19 places, 13 transitions, 37 flow [2021-03-25 22:51:35,038 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 19 places, 13 transitions, 37 flow [2021-03-25 22:51:35,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 19 places, 13 transitions, 37 flow [2021-03-25 22:51:35,044 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-25 22:51:35,044 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 22:51:35,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24 conditions, 15 events. 0/15 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 6 event pairs, 0 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 22:51:35,044 INFO L142 LiptonReduction]: Number of co-enabled transitions 24 [2021-03-25 22:51:35,990 INFO L154 LiptonReduction]: Checked pairs total: 13 [2021-03-25 22:51:35,990 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 22:51:35,991 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 953 [2021-03-25 22:51:35,992 INFO L480 AbstractCegarLoop]: Abstraction has has 14 places, 8 transitions, 27 flow [2021-03-25 22:51:35,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:35,992 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:35,992 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:35,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 22:51:35,993 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:51:35,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:35,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1345804950, now seen corresponding path program 1 times [2021-03-25 22:51:35,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:35,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165297881] [2021-03-25 22:51:35,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 22:51:36,009 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 22:51:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 22:51:36,019 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 22:51:36,032 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 22:51:36,032 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 22:51:36,033 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 22:51:36,034 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 22:51:36,034 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-03-25 22:51:36,039 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,039 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,040 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,040 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,040 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,041 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,041 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,041 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,041 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,041 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,041 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,041 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,041 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,042 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,042 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,042 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,042 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,042 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,042 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,042 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,042 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,042 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,043 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,043 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,043 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,043 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,043 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,043 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,043 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,044 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,044 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,044 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,044 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,044 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,044 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,044 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,044 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,044 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,045 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,045 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,045 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,045 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,045 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,045 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,045 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,045 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,045 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,045 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,046 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,046 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,046 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,046 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,046 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,046 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,046 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,046 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,046 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,046 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,047 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,047 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,047 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,047 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,047 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,047 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,047 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,047 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,047 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,048 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,048 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,048 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,048 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,048 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,048 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,048 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,049 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,049 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,052 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,052 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,052 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,053 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,053 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,053 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:36,054 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 22:51:36,054 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-25 22:51:36,057 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 22:51:36,057 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 22:51:36,057 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 22:51:36,057 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 22:51:36,057 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 22:51:36,058 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 22:51:36,058 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 22:51:36,058 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 22:51:36,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 52 transitions, 116 flow [2021-03-25 22:51:36,071 INFO L129 PetriNetUnfolder]: 5/69 cut-off events. [2021-03-25 22:51:36,071 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 22:51:36,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 69 events. 5/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 151 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 46. Up to 6 conditions per place. [2021-03-25 22:51:36,072 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 52 transitions, 116 flow [2021-03-25 22:51:36,073 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 52 transitions, 116 flow [2021-03-25 22:51:36,074 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:36,074 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 52 transitions, 116 flow [2021-03-25 22:51:36,074 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 52 transitions, 116 flow [2021-03-25 22:51:36,075 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 52 transitions, 116 flow [2021-03-25 22:51:36,099 INFO L129 PetriNetUnfolder]: 5/69 cut-off events. [2021-03-25 22:51:36,099 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 22:51:36,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 69 events. 5/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 134 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 46. Up to 6 conditions per place. [2021-03-25 22:51:36,100 INFO L142 LiptonReduction]: Number of co-enabled transitions 980 [2021-03-25 22:51:37,034 INFO L154 LiptonReduction]: Checked pairs total: 2007 [2021-03-25 22:51:37,034 INFO L156 LiptonReduction]: Total number of compositions: 25 [2021-03-25 22:51:37,035 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 961 [2021-03-25 22:51:37,039 INFO L129 PetriNetUnfolder]: 1/25 cut-off events. [2021-03-25 22:51:37,039 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 22:51:37,039 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:37,039 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:37,039 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 22:51:37,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:37,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1458512124, now seen corresponding path program 1 times [2021-03-25 22:51:37,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:37,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096089674] [2021-03-25 22:51:37,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:37,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:37,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:37,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:37,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:37,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:37,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:37,100 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 22:51:37,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 22:51:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:51:37,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096089674] [2021-03-25 22:51:37,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:51:37,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:51:37,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685665526] [2021-03-25 22:51:37,121 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:51:37,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:37,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:51:37,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:51:37,123 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 77 [2021-03-25 22:51:37,124 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 30 transitions, 72 flow. Second operand has 5 states, 5 states have (on average 51.4) internal successors, (257), 5 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:37,124 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:37,124 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 77 [2021-03-25 22:51:37,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:37,219 INFO L129 PetriNetUnfolder]: 37/127 cut-off events. [2021-03-25 22:51:37,219 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 22:51:37,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 234 conditions, 127 events. 37/127 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 519 event pairs, 15 based on Foata normal form. 62/163 useless extension candidates. Maximal degree in co-relation 209. Up to 32 conditions per place. [2021-03-25 22:51:37,221 INFO L132 encePairwiseOnDemand]: 68/77 looper letters, 24 selfloop transitions, 9 changer transitions 0/46 dead transitions. [2021-03-25 22:51:37,221 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 46 transitions, 170 flow [2021-03-25 22:51:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 22:51:37,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 22:51:37,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 342 transitions. [2021-03-25 22:51:37,224 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7402597402597403 [2021-03-25 22:51:37,224 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 342 transitions. [2021-03-25 22:51:37,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 342 transitions. [2021-03-25 22:51:37,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:37,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 342 transitions. [2021-03-25 22:51:37,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 57.0) internal successors, (342), 6 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:37,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:37,228 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 77.0) internal successors, (539), 7 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:37,228 INFO L185 Difference]: Start difference. First operand has 33 places, 30 transitions, 72 flow. Second operand 6 states and 342 transitions. [2021-03-25 22:51:37,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 46 transitions, 170 flow [2021-03-25 22:51:37,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 46 transitions, 168 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-03-25 22:51:37,230 INFO L241 Difference]: Finished difference. Result has 40 places, 34 transitions, 122 flow [2021-03-25 22:51:37,230 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=122, PETRI_PLACES=40, PETRI_TRANSITIONS=34} [2021-03-25 22:51:37,230 INFO L343 CegarLoopForPetriNet]: 33 programPoint places, 7 predicate places. [2021-03-25 22:51:37,230 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:37,231 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 34 transitions, 122 flow [2021-03-25 22:51:37,231 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 34 transitions, 122 flow [2021-03-25 22:51:37,231 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 34 transitions, 122 flow [2021-03-25 22:51:37,236 INFO L129 PetriNetUnfolder]: 1/52 cut-off events. [2021-03-25 22:51:37,236 INFO L130 PetriNetUnfolder]: For 10/12 co-relation queries the response was YES. [2021-03-25 22:51:37,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 52 events. 1/52 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 134 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 66. Up to 6 conditions per place. [2021-03-25 22:51:37,237 INFO L142 LiptonReduction]: Number of co-enabled transitions 314 [2021-03-25 22:51:37,795 INFO L154 LiptonReduction]: Checked pairs total: 605 [2021-03-25 22:51:37,796 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 22:51:37,796 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 566 [2021-03-25 22:51:37,797 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 30 transitions, 114 flow [2021-03-25 22:51:37,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 51.4) internal successors, (257), 5 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:37,797 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:37,798 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:37,798 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 22:51:37,798 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 22:51:37,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:37,798 INFO L82 PathProgramCache]: Analyzing trace with hash -641705656, now seen corresponding path program 1 times [2021-03-25 22:51:37,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:37,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718147149] [2021-03-25 22:51:37,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 22:51:37,811 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 22:51:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 22:51:37,836 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 22:51:37,842 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 22:51:37,842 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 22:51:37,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 22:51:37,843 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 22:51:37,845 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-03-25 22:51:37,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,854 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,854 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,855 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,855 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,856 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,856 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,857 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,857 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,858 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,858 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,858 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,858 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,858 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,859 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,859 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,859 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,859 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,859 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,859 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,859 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,860 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,860 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,860 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,860 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,860 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,860 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,860 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,860 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,860 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,861 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,861 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,861 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,861 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,861 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,862 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,862 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,862 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,862 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,862 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,863 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,863 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,863 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,864 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,864 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,865 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,865 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,865 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,865 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,865 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,865 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,867 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,867 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,867 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,868 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,868 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,868 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,869 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,870 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,870 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,871 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,871 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,871 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:37,872 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 22:51:37,872 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-25 22:51:37,873 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 22:51:37,873 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 22:51:37,873 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 22:51:37,873 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 22:51:37,873 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 22:51:37,873 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 22:51:37,873 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 22:51:37,874 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 22:51:37,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 67 transitions, 155 flow [2021-03-25 22:51:37,887 INFO L129 PetriNetUnfolder]: 7/93 cut-off events. [2021-03-25 22:51:37,887 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-25 22:51:37,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 93 events. 7/93 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 246 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 73. Up to 8 conditions per place. [2021-03-25 22:51:37,890 INFO L82 GeneralOperation]: Start removeDead. Operand has 70 places, 67 transitions, 155 flow [2021-03-25 22:51:37,891 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 67 transitions, 155 flow [2021-03-25 22:51:37,891 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:37,892 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 67 transitions, 155 flow [2021-03-25 22:51:37,892 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 67 transitions, 155 flow [2021-03-25 22:51:37,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 67 transitions, 155 flow [2021-03-25 22:51:37,899 INFO L129 PetriNetUnfolder]: 7/93 cut-off events. [2021-03-25 22:51:37,900 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-25 22:51:37,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 93 events. 7/93 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 252 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 73. Up to 8 conditions per place. [2021-03-25 22:51:37,901 INFO L142 LiptonReduction]: Number of co-enabled transitions 2100 [2021-03-25 22:51:39,091 INFO L154 LiptonReduction]: Checked pairs total: 4566 [2021-03-25 22:51:39,091 INFO L156 LiptonReduction]: Total number of compositions: 31 [2021-03-25 22:51:39,091 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1200 [2021-03-25 22:51:39,094 INFO L129 PetriNetUnfolder]: 1/29 cut-off events. [2021-03-25 22:51:39,094 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 22:51:39,094 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:39,095 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:39,095 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 22:51:39,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:39,095 INFO L82 PathProgramCache]: Analyzing trace with hash -2109266016, now seen corresponding path program 1 times [2021-03-25 22:51:39,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:39,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334753985] [2021-03-25 22:51:39,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:39,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:39,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:39,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:39,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:39,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:39,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:39,156 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 22:51:39,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 22:51:39,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:51:39,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334753985] [2021-03-25 22:51:39,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:51:39,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:51:39,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451302814] [2021-03-25 22:51:39,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:51:39,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:39,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:51:39,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:51:39,178 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 98 [2021-03-25 22:51:39,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 40 transitions, 101 flow. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:39,178 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:39,178 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 98 [2021-03-25 22:51:39,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:39,424 INFO L129 PetriNetUnfolder]: 694/1336 cut-off events. [2021-03-25 22:51:39,424 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-25 22:51:39,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2509 conditions, 1336 events. 694/1336 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 8932 event pairs, 258 based on Foata normal form. 471/1437 useless extension candidates. Maximal degree in co-relation 2474. Up to 507 conditions per place. [2021-03-25 22:51:39,437 INFO L132 encePairwiseOnDemand]: 87/98 looper letters, 53 selfloop transitions, 12 changer transitions 0/82 dead transitions. [2021-03-25 22:51:39,437 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 82 transitions, 315 flow [2021-03-25 22:51:39,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 22:51:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 22:51:39,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 454 transitions. [2021-03-25 22:51:39,441 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7721088435374149 [2021-03-25 22:51:39,441 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 454 transitions. [2021-03-25 22:51:39,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 454 transitions. [2021-03-25 22:51:39,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:39,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 454 transitions. [2021-03-25 22:51:39,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 75.66666666666667) internal successors, (454), 6 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:39,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 98.0) internal successors, (686), 7 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:39,444 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 98.0) internal successors, (686), 7 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:39,444 INFO L185 Difference]: Start difference. First operand has 44 places, 40 transitions, 101 flow. Second operand 6 states and 454 transitions. [2021-03-25 22:51:39,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 82 transitions, 315 flow [2021-03-25 22:51:39,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 82 transitions, 309 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-25 22:51:39,446 INFO L241 Difference]: Finished difference. Result has 51 places, 50 transitions, 182 flow [2021-03-25 22:51:39,446 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=182, PETRI_PLACES=51, PETRI_TRANSITIONS=50} [2021-03-25 22:51:39,447 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 7 predicate places. [2021-03-25 22:51:39,447 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:39,447 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 50 transitions, 182 flow [2021-03-25 22:51:39,447 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 50 transitions, 182 flow [2021-03-25 22:51:39,447 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 50 transitions, 182 flow [2021-03-25 22:51:39,458 INFO L129 PetriNetUnfolder]: 19/144 cut-off events. [2021-03-25 22:51:39,458 INFO L130 PetriNetUnfolder]: For 26/34 co-relation queries the response was YES. [2021-03-25 22:51:39,458 INFO L84 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 144 events. 19/144 cut-off events. For 26/34 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 737 event pairs, 3 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 224. Up to 21 conditions per place. [2021-03-25 22:51:39,460 INFO L142 LiptonReduction]: Number of co-enabled transitions 978 [2021-03-25 22:51:39,893 INFO L154 LiptonReduction]: Checked pairs total: 2838 [2021-03-25 22:51:39,893 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:51:39,893 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 446 [2021-03-25 22:51:39,894 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 48 transitions, 178 flow [2021-03-25 22:51:39,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:39,895 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:39,895 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:39,895 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 22:51:39,895 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 22:51:39,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:39,896 INFO L82 PathProgramCache]: Analyzing trace with hash 588156220, now seen corresponding path program 1 times [2021-03-25 22:51:39,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:39,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046721042] [2021-03-25 22:51:39,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:39,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:39,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:39,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:39,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:39,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:39,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:39,934 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 22:51:39,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 22:51:39,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 22:51:39,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046721042] [2021-03-25 22:51:39,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:51:39,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:51:39,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895665481] [2021-03-25 22:51:39,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:51:39,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:39,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:51:39,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:51:39,955 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 100 [2021-03-25 22:51:39,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 48 transitions, 178 flow. Second operand has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:39,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:39,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 100 [2021-03-25 22:51:39,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:40,244 INFO L129 PetriNetUnfolder]: 1020/2047 cut-off events. [2021-03-25 22:51:40,244 INFO L130 PetriNetUnfolder]: For 795/841 co-relation queries the response was YES. [2021-03-25 22:51:40,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4730 conditions, 2047 events. 1020/2047 cut-off events. For 795/841 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 15846 event pairs, 467 based on Foata normal form. 17/1758 useless extension candidates. Maximal degree in co-relation 4671. Up to 826 conditions per place. [2021-03-25 22:51:40,260 INFO L132 encePairwiseOnDemand]: 93/100 looper letters, 60 selfloop transitions, 19 changer transitions 0/95 dead transitions. [2021-03-25 22:51:40,261 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 95 transitions, 498 flow [2021-03-25 22:51:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 22:51:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 22:51:40,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 445 transitions. [2021-03-25 22:51:40,262 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7416666666666667 [2021-03-25 22:51:40,262 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 445 transitions. [2021-03-25 22:51:40,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 445 transitions. [2021-03-25 22:51:40,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:40,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 445 transitions. [2021-03-25 22:51:40,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 74.16666666666667) internal successors, (445), 6 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:40,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:40,266 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 100.0) internal successors, (700), 7 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:40,266 INFO L185 Difference]: Start difference. First operand has 49 places, 48 transitions, 178 flow. Second operand 6 states and 445 transitions. [2021-03-25 22:51:40,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 95 transitions, 498 flow [2021-03-25 22:51:40,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 95 transitions, 498 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 22:51:40,274 INFO L241 Difference]: Finished difference. Result has 56 places, 60 transitions, 308 flow [2021-03-25 22:51:40,274 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=308, PETRI_PLACES=56, PETRI_TRANSITIONS=60} [2021-03-25 22:51:40,274 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 12 predicate places. [2021-03-25 22:51:40,274 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:40,275 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 60 transitions, 308 flow [2021-03-25 22:51:40,275 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 60 transitions, 308 flow [2021-03-25 22:51:40,275 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 60 transitions, 308 flow [2021-03-25 22:51:40,292 INFO L129 PetriNetUnfolder]: 34/268 cut-off events. [2021-03-25 22:51:40,292 INFO L130 PetriNetUnfolder]: For 155/169 co-relation queries the response was YES. [2021-03-25 22:51:40,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 558 conditions, 268 events. 34/268 cut-off events. For 155/169 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1932 event pairs, 8 based on Foata normal form. 7/252 useless extension candidates. Maximal degree in co-relation 530. Up to 41 conditions per place. [2021-03-25 22:51:40,295 INFO L142 LiptonReduction]: Number of co-enabled transitions 1170 [2021-03-25 22:51:40,541 INFO L154 LiptonReduction]: Checked pairs total: 2268 [2021-03-25 22:51:40,542 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:51:40,542 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 268 [2021-03-25 22:51:40,543 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 59 transitions, 306 flow [2021-03-25 22:51:40,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 64.4) internal successors, (322), 5 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:40,543 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:40,543 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:40,543 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 22:51:40,543 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-25 22:51:40,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:40,544 INFO L82 PathProgramCache]: Analyzing trace with hash 1819812478, now seen corresponding path program 1 times [2021-03-25 22:51:40,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:40,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568654868] [2021-03-25 22:51:40,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 22:51:40,553 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 22:51:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 22:51:40,559 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 22:51:40,563 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 22:51:40,563 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 22:51:40,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 22:51:40,563 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 22:51:40,563 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-03-25 22:51:40,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,571 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,571 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,572 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,577 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,578 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,578 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,579 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,579 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,580 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,580 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,581 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,581 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,582 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,582 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,583 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,583 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,585 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:51:40,586 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 22:51:40,586 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 22:51:40,587 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 22:51:40,587 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 22:51:40,587 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 22:51:40,587 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 22:51:40,587 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 22:51:40,587 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 22:51:40,588 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 22:51:40,588 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 22:51:40,588 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 82 transitions, 196 flow [2021-03-25 22:51:40,596 INFO L129 PetriNetUnfolder]: 9/117 cut-off events. [2021-03-25 22:51:40,596 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 22:51:40,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 117 events. 9/117 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 320 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 101. Up to 10 conditions per place. [2021-03-25 22:51:40,596 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 82 transitions, 196 flow [2021-03-25 22:51:40,597 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 82 transitions, 196 flow [2021-03-25 22:51:40,597 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:40,597 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 82 transitions, 196 flow [2021-03-25 22:51:40,597 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 82 transitions, 196 flow [2021-03-25 22:51:40,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 82 transitions, 196 flow [2021-03-25 22:51:40,605 INFO L129 PetriNetUnfolder]: 9/117 cut-off events. [2021-03-25 22:51:40,605 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 22:51:40,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 117 events. 9/117 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 340 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 101. Up to 10 conditions per place. [2021-03-25 22:51:40,608 INFO L142 LiptonReduction]: Number of co-enabled transitions 3640 [2021-03-25 22:51:42,146 INFO L154 LiptonReduction]: Checked pairs total: 8879 [2021-03-25 22:51:42,146 INFO L156 LiptonReduction]: Total number of compositions: 37 [2021-03-25 22:51:42,147 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1550 [2021-03-25 22:51:42,153 INFO L129 PetriNetUnfolder]: 1/26 cut-off events. [2021-03-25 22:51:42,153 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 22:51:42,153 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:42,153 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:42,153 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:51:42,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:42,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1187674261, now seen corresponding path program 1 times [2021-03-25 22:51:42,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:42,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101483089] [2021-03-25 22:51:42,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:42,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:42,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:42,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:42,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:42,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:42,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:42,225 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 22:51:42,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 22:51:42,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:51:42,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101483089] [2021-03-25 22:51:42,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:51:42,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:51:42,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659065239] [2021-03-25 22:51:42,244 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:51:42,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:42,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:51:42,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:51:42,246 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 119 [2021-03-25 22:51:42,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 50 transitions, 132 flow. Second operand has 5 states, 5 states have (on average 78.4) internal successors, (392), 5 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:42,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:42,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 119 [2021-03-25 22:51:42,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:43,460 INFO L129 PetriNetUnfolder]: 8344/13235 cut-off events. [2021-03-25 22:51:43,460 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2021-03-25 22:51:43,489 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25132 conditions, 13235 events. 8344/13235 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 1021. Compared 103218 event pairs, 3274 based on Foata normal form. 3567/12872 useless extension candidates. Maximal degree in co-relation 25086. Up to 5734 conditions per place. [2021-03-25 22:51:43,568 INFO L132 encePairwiseOnDemand]: 106/119 looper letters, 74 selfloop transitions, 15 changer transitions 0/110 dead transitions. [2021-03-25 22:51:43,569 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 110 transitions, 430 flow [2021-03-25 22:51:43,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 22:51:43,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 22:51:43,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 564 transitions. [2021-03-25 22:51:43,571 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7899159663865546 [2021-03-25 22:51:43,571 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 564 transitions. [2021-03-25 22:51:43,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 564 transitions. [2021-03-25 22:51:43,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:43,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 564 transitions. [2021-03-25 22:51:43,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 94.0) internal successors, (564), 6 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:43,574 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:43,574 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 119.0) internal successors, (833), 7 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:43,574 INFO L185 Difference]: Start difference. First operand has 55 places, 50 transitions, 132 flow. Second operand 6 states and 564 transitions. [2021-03-25 22:51:43,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 110 transitions, 430 flow [2021-03-25 22:51:43,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 110 transitions, 418 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-03-25 22:51:43,577 INFO L241 Difference]: Finished difference. Result has 62 places, 64 transitions, 234 flow [2021-03-25 22:51:43,577 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=234, PETRI_PLACES=62, PETRI_TRANSITIONS=64} [2021-03-25 22:51:43,577 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 7 predicate places. [2021-03-25 22:51:43,578 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:43,578 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 64 transitions, 234 flow [2021-03-25 22:51:43,578 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 64 transitions, 234 flow [2021-03-25 22:51:43,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 64 transitions, 234 flow [2021-03-25 22:51:43,601 INFO L129 PetriNetUnfolder]: 88/391 cut-off events. [2021-03-25 22:51:43,601 INFO L130 PetriNetUnfolder]: For 60/93 co-relation queries the response was YES. [2021-03-25 22:51:43,602 INFO L84 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 391 events. 88/391 cut-off events. For 60/93 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2714 event pairs, 37 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 677. Up to 83 conditions per place. [2021-03-25 22:51:43,607 INFO L142 LiptonReduction]: Number of co-enabled transitions 1892 [2021-03-25 22:51:44,147 INFO L154 LiptonReduction]: Checked pairs total: 4968 [2021-03-25 22:51:44,148 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:51:44,148 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 570 [2021-03-25 22:51:44,149 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 62 transitions, 230 flow [2021-03-25 22:51:44,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 78.4) internal successors, (392), 5 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:44,149 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:44,149 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:44,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 22:51:44,149 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:51:44,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:44,149 INFO L82 PathProgramCache]: Analyzing trace with hash -826412376, now seen corresponding path program 1 times [2021-03-25 22:51:44,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:44,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318872636] [2021-03-25 22:51:44,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:44,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:44,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:44,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:44,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:44,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:44,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:44,180 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 22:51:44,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 22:51:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 22:51:44,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318872636] [2021-03-25 22:51:44,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:51:44,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:51:44,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985671951] [2021-03-25 22:51:44,199 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:51:44,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:44,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:51:44,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:51:44,200 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 121 [2021-03-25 22:51:44,201 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 62 transitions, 230 flow. Second operand has 5 states, 5 states have (on average 78.4) internal successors, (392), 5 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:44,201 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:44,201 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 121 [2021-03-25 22:51:44,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:46,414 INFO L129 PetriNetUnfolder]: 14587/23405 cut-off events. [2021-03-25 22:51:46,414 INFO L130 PetriNetUnfolder]: For 10473/11137 co-relation queries the response was YES. [2021-03-25 22:51:46,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55228 conditions, 23405 events. 14587/23405 cut-off events. For 10473/11137 co-relation queries the response was YES. Maximal size of possible extension queue 1870. Compared 204161 event pairs, 7187 based on Foata normal form. 60/19848 useless extension candidates. Maximal degree in co-relation 55168. Up to 10313 conditions per place. [2021-03-25 22:51:46,627 INFO L132 encePairwiseOnDemand]: 113/121 looper letters, 87 selfloop transitions, 25 changer transitions 0/132 dead transitions. [2021-03-25 22:51:46,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 132 transitions, 693 flow [2021-03-25 22:51:46,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 22:51:46,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 22:51:46,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 553 transitions. [2021-03-25 22:51:46,629 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7617079889807162 [2021-03-25 22:51:46,629 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 553 transitions. [2021-03-25 22:51:46,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 553 transitions. [2021-03-25 22:51:46,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:46,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 553 transitions. [2021-03-25 22:51:46,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:46,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 121.0) internal successors, (847), 7 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:46,632 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 121.0) internal successors, (847), 7 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:46,632 INFO L185 Difference]: Start difference. First operand has 60 places, 62 transitions, 230 flow. Second operand 6 states and 553 transitions. [2021-03-25 22:51:46,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 132 transitions, 693 flow [2021-03-25 22:51:46,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 132 transitions, 693 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 22:51:46,694 INFO L241 Difference]: Finished difference. Result has 67 places, 78 transitions, 401 flow [2021-03-25 22:51:46,695 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=401, PETRI_PLACES=67, PETRI_TRANSITIONS=78} [2021-03-25 22:51:46,695 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 12 predicate places. [2021-03-25 22:51:46,695 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:46,695 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 78 transitions, 401 flow [2021-03-25 22:51:46,695 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 78 transitions, 401 flow [2021-03-25 22:51:46,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 78 transitions, 401 flow [2021-03-25 22:51:46,758 INFO L129 PetriNetUnfolder]: 208/904 cut-off events. [2021-03-25 22:51:46,758 INFO L130 PetriNetUnfolder]: For 433/741 co-relation queries the response was YES. [2021-03-25 22:51:46,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1895 conditions, 904 events. 208/904 cut-off events. For 433/741 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 8115 event pairs, 63 based on Foata normal form. 16/815 useless extension candidates. Maximal degree in co-relation 1866. Up to 204 conditions per place. [2021-03-25 22:51:46,864 INFO L142 LiptonReduction]: Number of co-enabled transitions 2394 [2021-03-25 22:51:47,300 INFO L154 LiptonReduction]: Checked pairs total: 3728 [2021-03-25 22:51:47,300 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:51:47,301 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 606 [2021-03-25 22:51:47,304 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 77 transitions, 399 flow [2021-03-25 22:51:47,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 78.4) internal successors, (392), 5 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:47,305 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:47,305 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:47,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 22:51:47,305 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:51:47,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:47,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1813016601, now seen corresponding path program 1 times [2021-03-25 22:51:47,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:47,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566682869] [2021-03-25 22:51:47,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:47,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:47,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:47,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:47,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:47,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:47,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:47,352 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 22:51:47,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 22:51:47,372 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-25 22:51:47,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566682869] [2021-03-25 22:51:47,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:51:47,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:51:47,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589638134] [2021-03-25 22:51:47,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:51:47,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:47,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:51:47,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:51:47,374 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 122 [2021-03-25 22:51:47,375 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 77 transitions, 399 flow. Second operand has 5 states, 5 states have (on average 78.4) internal successors, (392), 5 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:47,375 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:47,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 122 [2021-03-25 22:51:47,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:50,347 INFO L129 PetriNetUnfolder]: 23604/38711 cut-off events. [2021-03-25 22:51:50,347 INFO L130 PetriNetUnfolder]: For 29671/30553 co-relation queries the response was YES. [2021-03-25 22:51:50,457 INFO L84 FinitePrefix]: Finished finitePrefix Result has 100421 conditions, 38711 events. 23604/38711 cut-off events. For 29671/30553 co-relation queries the response was YES. Maximal size of possible extension queue 2990. Compared 368493 event pairs, 11288 based on Foata normal form. 67/34159 useless extension candidates. Maximal degree in co-relation 100391. Up to 17333 conditions per place. [2021-03-25 22:51:50,831 INFO L132 encePairwiseOnDemand]: 114/122 looper letters, 103 selfloop transitions, 37 changer transitions 0/160 dead transitions. [2021-03-25 22:51:50,831 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 160 transitions, 1088 flow [2021-03-25 22:51:50,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 22:51:50,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 22:51:50,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 553 transitions. [2021-03-25 22:51:50,832 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.755464480874317 [2021-03-25 22:51:50,833 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 553 transitions. [2021-03-25 22:51:50,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 553 transitions. [2021-03-25 22:51:50,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:50,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 553 transitions. [2021-03-25 22:51:50,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 92.16666666666667) internal successors, (553), 6 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:50,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:50,835 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:50,835 INFO L185 Difference]: Start difference. First operand has 66 places, 77 transitions, 399 flow. Second operand 6 states and 553 transitions. [2021-03-25 22:51:50,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 160 transitions, 1088 flow [2021-03-25 22:51:50,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 160 transitions, 1088 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 22:51:50,949 INFO L241 Difference]: Finished difference. Result has 73 places, 100 transitions, 701 flow [2021-03-25 22:51:50,949 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=701, PETRI_PLACES=73, PETRI_TRANSITIONS=100} [2021-03-25 22:51:50,950 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 18 predicate places. [2021-03-25 22:51:50,950 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:50,950 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 100 transitions, 701 flow [2021-03-25 22:51:50,950 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 100 transitions, 701 flow [2021-03-25 22:51:50,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 100 transitions, 701 flow [2021-03-25 22:51:51,056 INFO L129 PetriNetUnfolder]: 490/2070 cut-off events. [2021-03-25 22:51:51,056 INFO L130 PetriNetUnfolder]: For 2536/3274 co-relation queries the response was YES. [2021-03-25 22:51:51,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5144 conditions, 2070 events. 490/2070 cut-off events. For 2536/3274 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 22540 event pairs, 161 based on Foata normal form. 124/2007 useless extension candidates. Maximal degree in co-relation 5112. Up to 520 conditions per place. [2021-03-25 22:51:51,082 INFO L142 LiptonReduction]: Number of co-enabled transitions 3030 [2021-03-25 22:51:51,992 INFO L154 LiptonReduction]: Checked pairs total: 2270 [2021-03-25 22:51:51,993 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:51:51,993 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1043 [2021-03-25 22:51:51,994 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 100 transitions, 701 flow [2021-03-25 22:51:51,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 78.4) internal successors, (392), 5 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:51,994 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:51,994 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:51,994 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 22:51:51,994 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:51:51,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:51,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1238497016, now seen corresponding path program 1 times [2021-03-25 22:51:51,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:51,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828017219] [2021-03-25 22:51:51,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:52,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:52,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:52,043 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-25 22:51:52,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:51:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:51:52,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828017219] [2021-03-25 22:51:52,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111108230] [2021-03-25 22:51:52,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:51:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:52,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 20 conjunts are in the unsatisfiable core [2021-03-25 22:51:52,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:51:52,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:52,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:52,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:52,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:52,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:52,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:52,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:52,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:52,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 22:51:52,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:52,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:52,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:52,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:51:52,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:52,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:52,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:52,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:52,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:52,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:52,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:52,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:52,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:52,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:52,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:52,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:52,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:52,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:52,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:52,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:52,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:52,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:51:52,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:51:52,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:51:52,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-25 22:51:52,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268359078] [2021-03-25 22:51:52,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 22:51:52,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:52,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 22:51:52,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 22:51:52,259 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 122 [2021-03-25 22:51:52,260 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 100 transitions, 701 flow. Second operand has 10 states, 10 states have (on average 51.4) internal successors, (514), 10 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:52,260 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:52,260 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 122 [2021-03-25 22:51:52,260 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:54,108 INFO L129 PetriNetUnfolder]: 8761/13716 cut-off events. [2021-03-25 22:51:54,108 INFO L130 PetriNetUnfolder]: For 9804/9808 co-relation queries the response was YES. [2021-03-25 22:51:54,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35696 conditions, 13716 events. 8761/13716 cut-off events. For 9804/9808 co-relation queries the response was YES. Maximal size of possible extension queue 587. Compared 91554 event pairs, 2469 based on Foata normal form. 1551/14224 useless extension candidates. Maximal degree in co-relation 25394. Up to 4922 conditions per place. [2021-03-25 22:51:54,205 INFO L132 encePairwiseOnDemand]: 98/122 looper letters, 124 selfloop transitions, 52 changer transitions 0/182 dead transitions. [2021-03-25 22:51:54,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 182 transitions, 1091 flow [2021-03-25 22:51:54,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-25 22:51:54,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-25 22:51:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 931 transitions. [2021-03-25 22:51:54,209 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5087431693989071 [2021-03-25 22:51:54,209 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 931 transitions. [2021-03-25 22:51:54,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 931 transitions. [2021-03-25 22:51:54,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:54,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 931 transitions. [2021-03-25 22:51:54,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 62.06666666666667) internal successors, (931), 15 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:54,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 122.0) internal successors, (1952), 16 states have internal predecessors, (1952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:54,214 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 122.0) internal successors, (1952), 16 states have internal predecessors, (1952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:54,214 INFO L185 Difference]: Start difference. First operand has 73 places, 100 transitions, 701 flow. Second operand 15 states and 931 transitions. [2021-03-25 22:51:54,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 182 transitions, 1091 flow [2021-03-25 22:51:54,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 182 transitions, 1041 flow, removed 25 selfloop flow, removed 0 redundant places. [2021-03-25 22:51:54,252 INFO L241 Difference]: Finished difference. Result has 90 places, 99 transitions, 584 flow [2021-03-25 22:51:54,252 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=584, PETRI_PLACES=90, PETRI_TRANSITIONS=99} [2021-03-25 22:51:54,252 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 35 predicate places. [2021-03-25 22:51:54,252 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:54,252 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 99 transitions, 584 flow [2021-03-25 22:51:54,252 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 99 transitions, 584 flow [2021-03-25 22:51:54,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 99 transitions, 584 flow [2021-03-25 22:51:54,327 INFO L129 PetriNetUnfolder]: 229/1194 cut-off events. [2021-03-25 22:51:54,327 INFO L130 PetriNetUnfolder]: For 1197/1244 co-relation queries the response was YES. [2021-03-25 22:51:54,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3162 conditions, 1194 events. 229/1194 cut-off events. For 1197/1244 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 11071 event pairs, 162 based on Foata normal form. 0/1052 useless extension candidates. Maximal degree in co-relation 3125. Up to 244 conditions per place. [2021-03-25 22:51:54,342 INFO L142 LiptonReduction]: Number of co-enabled transitions 1534 [2021-03-25 22:51:55,820 INFO L154 LiptonReduction]: Checked pairs total: 344 [2021-03-25 22:51:55,820 INFO L156 LiptonReduction]: Total number of compositions: 32 [2021-03-25 22:51:55,821 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1569 [2021-03-25 22:51:55,821 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 92 transitions, 617 flow [2021-03-25 22:51:55,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 51.4) internal successors, (514), 10 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:55,822 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:55,822 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:56,043 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-03-25 22:51:56,044 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:51:56,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:56,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1090779486, now seen corresponding path program 1 times [2021-03-25 22:51:56,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:56,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578751442] [2021-03-25 22:51:56,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:56,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:56,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:56,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:56,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:56,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:56,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:56,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:56,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:56,096 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-25 22:51:56,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:51:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 22:51:56,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578751442] [2021-03-25 22:51:56,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:51:56,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 22:51:56,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919004437] [2021-03-25 22:51:56,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 22:51:56,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:56,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 22:51:56,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 22:51:56,125 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 154 [2021-03-25 22:51:56,126 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 92 transitions, 617 flow. Second operand has 7 states, 7 states have (on average 74.71428571428571) internal successors, (523), 7 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:56,126 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:56,126 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 154 [2021-03-25 22:51:56,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:56,962 INFO L129 PetriNetUnfolder]: 5108/8438 cut-off events. [2021-03-25 22:51:56,962 INFO L130 PetriNetUnfolder]: For 14013/14595 co-relation queries the response was YES. [2021-03-25 22:51:56,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26588 conditions, 8438 events. 5108/8438 cut-off events. For 14013/14595 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 60282 event pairs, 3206 based on Foata normal form. 65/7388 useless extension candidates. Maximal degree in co-relation 26507. Up to 4508 conditions per place. [2021-03-25 22:51:57,051 INFO L132 encePairwiseOnDemand]: 140/154 looper letters, 95 selfloop transitions, 19 changer transitions 0/141 dead transitions. [2021-03-25 22:51:57,051 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 141 transitions, 1077 flow [2021-03-25 22:51:57,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 22:51:57,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 22:51:57,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 837 transitions. [2021-03-25 22:51:57,054 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5435064935064935 [2021-03-25 22:51:57,054 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 837 transitions. [2021-03-25 22:51:57,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 837 transitions. [2021-03-25 22:51:57,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:57,055 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 837 transitions. [2021-03-25 22:51:57,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 83.7) internal successors, (837), 10 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:57,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 154.0) internal successors, (1694), 11 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:57,059 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 154.0) internal successors, (1694), 11 states have internal predecessors, (1694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:57,059 INFO L185 Difference]: Start difference. First operand has 83 places, 92 transitions, 617 flow. Second operand 10 states and 837 transitions. [2021-03-25 22:51:57,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 141 transitions, 1077 flow [2021-03-25 22:51:57,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 141 transitions, 1018 flow, removed 20 selfloop flow, removed 4 redundant places. [2021-03-25 22:51:57,118 INFO L241 Difference]: Finished difference. Result has 90 places, 89 transitions, 599 flow [2021-03-25 22:51:57,118 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=154, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=599, PETRI_PLACES=90, PETRI_TRANSITIONS=89} [2021-03-25 22:51:57,118 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 35 predicate places. [2021-03-25 22:51:57,119 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:57,119 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 89 transitions, 599 flow [2021-03-25 22:51:57,119 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 89 transitions, 599 flow [2021-03-25 22:51:57,119 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 89 transitions, 599 flow [2021-03-25 22:51:57,190 INFO L129 PetriNetUnfolder]: 195/895 cut-off events. [2021-03-25 22:51:57,190 INFO L130 PetriNetUnfolder]: For 1717/1815 co-relation queries the response was YES. [2021-03-25 22:51:57,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3007 conditions, 895 events. 195/895 cut-off events. For 1717/1815 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 7881 event pairs, 146 based on Foata normal form. 1/758 useless extension candidates. Maximal degree in co-relation 2967. Up to 218 conditions per place. [2021-03-25 22:51:57,206 INFO L142 LiptonReduction]: Number of co-enabled transitions 1312 [2021-03-25 22:51:57,425 INFO L154 LiptonReduction]: Checked pairs total: 32 [2021-03-25 22:51:57,425 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 22:51:57,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 306 [2021-03-25 22:51:57,428 INFO L480 AbstractCegarLoop]: Abstraction has has 87 places, 86 transitions, 591 flow [2021-03-25 22:51:57,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 74.71428571428571) internal successors, (523), 7 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:57,428 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:57,428 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:57,428 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 22:51:57,428 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:51:57,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:57,429 INFO L82 PathProgramCache]: Analyzing trace with hash 300639862, now seen corresponding path program 1 times [2021-03-25 22:51:57,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:57,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604563621] [2021-03-25 22:51:57,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:57,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,514 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-25 22:51:57,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:51:57,534 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 22:51:57,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604563621] [2021-03-25 22:51:57,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102881108] [2021-03-25 22:51:57,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:51:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:57,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 22:51:57,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:51:57,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:51:57,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:57,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:51:57,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:51:57,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:51:57,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:51:57,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:51:57,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:51:57,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:57,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:51:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 22:51:57,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:51:57,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-25 22:51:57,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708550149] [2021-03-25 22:51:57,716 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 22:51:57,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:57,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 22:51:57,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 22:51:57,717 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 158 [2021-03-25 22:51:57,718 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 86 transitions, 591 flow. Second operand has 8 states, 8 states have (on average 74.375) internal successors, (595), 8 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:57,718 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:57,718 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 158 [2021-03-25 22:51:57,718 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:51:58,598 INFO L129 PetriNetUnfolder]: 4665/7715 cut-off events. [2021-03-25 22:51:58,599 INFO L130 PetriNetUnfolder]: For 19442/20279 co-relation queries the response was YES. [2021-03-25 22:51:58,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26737 conditions, 7715 events. 4665/7715 cut-off events. For 19442/20279 co-relation queries the response was YES. Maximal size of possible extension queue 624. Compared 55405 event pairs, 2988 based on Foata normal form. 200/6787 useless extension candidates. Maximal degree in co-relation 26694. Up to 3984 conditions per place. [2021-03-25 22:51:58,685 INFO L132 encePairwiseOnDemand]: 138/158 looper letters, 89 selfloop transitions, 21 changer transitions 0/139 dead transitions. [2021-03-25 22:51:58,685 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 139 transitions, 1082 flow [2021-03-25 22:51:58,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-25 22:51:58,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-25 22:51:58,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 989 transitions. [2021-03-25 22:51:58,688 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5216244725738397 [2021-03-25 22:51:58,688 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 989 transitions. [2021-03-25 22:51:58,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 989 transitions. [2021-03-25 22:51:58,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:51:58,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 989 transitions. [2021-03-25 22:51:58,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 82.41666666666667) internal successors, (989), 12 states have internal predecessors, (989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:58,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 158.0) internal successors, (2054), 13 states have internal predecessors, (2054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:58,694 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 158.0) internal successors, (2054), 13 states have internal predecessors, (2054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:58,694 INFO L185 Difference]: Start difference. First operand has 87 places, 86 transitions, 591 flow. Second operand 12 states and 989 transitions. [2021-03-25 22:51:58,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 139 transitions, 1082 flow [2021-03-25 22:51:58,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 139 transitions, 1027 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-25 22:51:58,753 INFO L241 Difference]: Finished difference. Result has 96 places, 91 transitions, 665 flow [2021-03-25 22:51:58,754 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=665, PETRI_PLACES=96, PETRI_TRANSITIONS=91} [2021-03-25 22:51:58,754 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 41 predicate places. [2021-03-25 22:51:58,755 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:51:58,755 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 91 transitions, 665 flow [2021-03-25 22:51:58,755 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 91 transitions, 665 flow [2021-03-25 22:51:58,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 91 transitions, 665 flow [2021-03-25 22:51:58,845 INFO L129 PetriNetUnfolder]: 270/967 cut-off events. [2021-03-25 22:51:58,845 INFO L130 PetriNetUnfolder]: For 4761/5076 co-relation queries the response was YES. [2021-03-25 22:51:58,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4229 conditions, 967 events. 270/967 cut-off events. For 4761/5076 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 8260 event pairs, 228 based on Foata normal form. 2/782 useless extension candidates. Maximal degree in co-relation 4186. Up to 323 conditions per place. [2021-03-25 22:51:58,865 INFO L142 LiptonReduction]: Number of co-enabled transitions 1324 [2021-03-25 22:51:58,950 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-25 22:51:58,950 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:51:58,950 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 195 [2021-03-25 22:51:58,951 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 90 transitions, 659 flow [2021-03-25 22:51:58,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 74.375) internal successors, (595), 8 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:58,951 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:51:58,951 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:51:59,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-25 22:51:59,158 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:51:59,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:51:59,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1625413501, now seen corresponding path program 1 times [2021-03-25 22:51:59,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:51:59,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659103106] [2021-03-25 22:51:59,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:51:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:51:59,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:59,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:51:59,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:59,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:51:59,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:51:59,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:51:59,220 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size [2021-03-25 22:51:59,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 22:51:59,237 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-25 22:51:59,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659103106] [2021-03-25 22:51:59,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:51:59,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:51:59,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573564893] [2021-03-25 22:51:59,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 22:51:59,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:51:59,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 22:51:59,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-25 22:51:59,239 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 159 [2021-03-25 22:51:59,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 90 transitions, 659 flow. Second operand has 6 states, 6 states have (on average 74.33333333333333) internal successors, (446), 6 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:51:59,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:51:59,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 159 [2021-03-25 22:51:59,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:52:00,103 INFO L129 PetriNetUnfolder]: 4691/7777 cut-off events. [2021-03-25 22:52:00,103 INFO L130 PetriNetUnfolder]: For 35837/37128 co-relation queries the response was YES. [2021-03-25 22:52:00,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30892 conditions, 7777 events. 4691/7777 cut-off events. For 35837/37128 co-relation queries the response was YES. Maximal size of possible extension queue 697. Compared 56134 event pairs, 3662 based on Foata normal form. 186/6779 useless extension candidates. Maximal degree in co-relation 30846. Up to 6237 conditions per place. [2021-03-25 22:52:00,190 INFO L132 encePairwiseOnDemand]: 147/159 looper letters, 83 selfloop transitions, 13 changer transitions 0/125 dead transitions. [2021-03-25 22:52:00,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 125 transitions, 1075 flow [2021-03-25 22:52:00,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 22:52:00,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 22:52:00,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 671 transitions. [2021-03-25 22:52:00,193 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5275157232704403 [2021-03-25 22:52:00,193 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 671 transitions. [2021-03-25 22:52:00,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 671 transitions. [2021-03-25 22:52:00,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:52:00,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 671 transitions. [2021-03-25 22:52:00,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 83.875) internal successors, (671), 8 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:00,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 159.0) internal successors, (1431), 9 states have internal predecessors, (1431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:00,197 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 159.0) internal successors, (1431), 9 states have internal predecessors, (1431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:00,197 INFO L185 Difference]: Start difference. First operand has 95 places, 90 transitions, 659 flow. Second operand 8 states and 671 transitions. [2021-03-25 22:52:00,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 125 transitions, 1075 flow [2021-03-25 22:52:00,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 125 transitions, 1023 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-03-25 22:52:00,312 INFO L241 Difference]: Finished difference. Result has 101 places, 93 transitions, 693 flow [2021-03-25 22:52:00,313 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=159, PETRI_DIFFERENCE_MINUEND_FLOW=597, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=693, PETRI_PLACES=101, PETRI_TRANSITIONS=93} [2021-03-25 22:52:00,313 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 46 predicate places. [2021-03-25 22:52:00,313 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:52:00,313 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 93 transitions, 693 flow [2021-03-25 22:52:00,313 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 93 transitions, 693 flow [2021-03-25 22:52:00,314 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 93 transitions, 693 flow [2021-03-25 22:52:00,385 INFO L129 PetriNetUnfolder]: 241/887 cut-off events. [2021-03-25 22:52:00,386 INFO L130 PetriNetUnfolder]: For 5795/6176 co-relation queries the response was YES. [2021-03-25 22:52:00,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4312 conditions, 887 events. 241/887 cut-off events. For 5795/6176 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 7532 event pairs, 208 based on Foata normal form. 2/721 useless extension candidates. Maximal degree in co-relation 4266. Up to 285 conditions per place. [2021-03-25 22:52:00,401 INFO L142 LiptonReduction]: Number of co-enabled transitions 1358 [2021-03-25 22:52:00,482 INFO L154 LiptonReduction]: Checked pairs total: 17 [2021-03-25 22:52:00,482 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:52:00,482 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 169 [2021-03-25 22:52:00,483 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 91 transitions, 685 flow [2021-03-25 22:52:00,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 74.33333333333333) internal successors, (446), 6 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:00,483 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:52:00,483 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:52:00,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 22:52:00,484 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:52:00,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:52:00,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1625530309, now seen corresponding path program 1 times [2021-03-25 22:52:00,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:52:00,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133986053] [2021-03-25 22:52:00,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:52:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:52:00,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:00,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:52:00,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:00,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:52:00,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:00,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 22:52:00,535 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.3 percent of original size [2021-03-25 22:52:00,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 22:52:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-25 22:52:00,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133986053] [2021-03-25 22:52:00,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:52:00,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:52:00,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112280632] [2021-03-25 22:52:00,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 22:52:00,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:52:00,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 22:52:00,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-25 22:52:00,558 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 161 [2021-03-25 22:52:00,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 91 transitions, 685 flow. Second operand has 6 states, 6 states have (on average 74.33333333333333) internal successors, (446), 6 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:00,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:52:00,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 161 [2021-03-25 22:52:00,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:52:01,435 INFO L129 PetriNetUnfolder]: 4859/7895 cut-off events. [2021-03-25 22:52:01,435 INFO L130 PetriNetUnfolder]: For 46629/48043 co-relation queries the response was YES. [2021-03-25 22:52:01,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34144 conditions, 7895 events. 4859/7895 cut-off events. For 46629/48043 co-relation queries the response was YES. Maximal size of possible extension queue 675. Compared 55559 event pairs, 3767 based on Foata normal form. 128/6782 useless extension candidates. Maximal degree in co-relation 34065. Up to 6359 conditions per place. [2021-03-25 22:52:01,523 INFO L132 encePairwiseOnDemand]: 151/161 looper letters, 91 selfloop transitions, 14 changer transitions 0/131 dead transitions. [2021-03-25 22:52:01,524 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 131 transitions, 1182 flow [2021-03-25 22:52:01,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 22:52:01,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 22:52:01,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 672 transitions. [2021-03-25 22:52:01,526 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5217391304347826 [2021-03-25 22:52:01,526 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 672 transitions. [2021-03-25 22:52:01,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 672 transitions. [2021-03-25 22:52:01,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:52:01,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 672 transitions. [2021-03-25 22:52:01,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 84.0) internal successors, (672), 8 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:01,530 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:01,530 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:01,530 INFO L185 Difference]: Start difference. First operand has 99 places, 91 transitions, 685 flow. Second operand 8 states and 672 transitions. [2021-03-25 22:52:01,530 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 131 transitions, 1182 flow [2021-03-25 22:52:01,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 131 transitions, 1153 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-25 22:52:01,639 INFO L241 Difference]: Finished difference. Result has 105 places, 93 transitions, 721 flow [2021-03-25 22:52:01,639 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=660, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=721, PETRI_PLACES=105, PETRI_TRANSITIONS=93} [2021-03-25 22:52:01,639 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 50 predicate places. [2021-03-25 22:52:01,639 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:52:01,639 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 93 transitions, 721 flow [2021-03-25 22:52:01,639 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 93 transitions, 721 flow [2021-03-25 22:52:01,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 93 transitions, 721 flow [2021-03-25 22:52:01,701 INFO L129 PetriNetUnfolder]: 282/891 cut-off events. [2021-03-25 22:52:01,702 INFO L130 PetriNetUnfolder]: For 7415/7831 co-relation queries the response was YES. [2021-03-25 22:52:01,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4901 conditions, 891 events. 282/891 cut-off events. For 7415/7831 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 7136 event pairs, 253 based on Foata normal form. 0/747 useless extension candidates. Maximal degree in co-relation 4853. Up to 322 conditions per place. [2021-03-25 22:52:01,718 INFO L142 LiptonReduction]: Number of co-enabled transitions 1352 [2021-03-25 22:52:01,749 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-25 22:52:01,749 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:52:01,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 110 [2021-03-25 22:52:01,750 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 92 transitions, 717 flow [2021-03-25 22:52:01,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 74.33333333333333) internal successors, (446), 6 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:01,750 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:52:01,750 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:52:01,750 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 22:52:01,750 INFO L428 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:52:01,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:52:01,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1663504998, now seen corresponding path program 1 times [2021-03-25 22:52:01,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:52:01,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016271134] [2021-03-25 22:52:01,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:52:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:52:01,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:01,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:52:01,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:01,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:52:01,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:01,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:52:01,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:01,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:52:01,826 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-25 22:52:01,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:52:01,848 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-25 22:52:01,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016271134] [2021-03-25 22:52:01,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:52:01,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 22:52:01,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792046535] [2021-03-25 22:52:01,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 22:52:01,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:52:01,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 22:52:01,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 22:52:01,850 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 162 [2021-03-25 22:52:01,851 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 92 transitions, 717 flow. Second operand has 7 states, 7 states have (on average 74.28571428571429) internal successors, (520), 7 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:01,851 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:52:01,851 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 162 [2021-03-25 22:52:01,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:52:02,730 INFO L129 PetriNetUnfolder]: 4948/8076 cut-off events. [2021-03-25 22:52:02,730 INFO L130 PetriNetUnfolder]: For 51645/53186 co-relation queries the response was YES. [2021-03-25 22:52:02,771 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35991 conditions, 8076 events. 4948/8076 cut-off events. For 51645/53186 co-relation queries the response was YES. Maximal size of possible extension queue 701. Compared 57724 event pairs, 3348 based on Foata normal form. 143/6993 useless extension candidates. Maximal degree in co-relation 35910. Up to 4599 conditions per place. [2021-03-25 22:52:02,810 INFO L132 encePairwiseOnDemand]: 147/162 looper letters, 103 selfloop transitions, 21 changer transitions 0/150 dead transitions. [2021-03-25 22:52:02,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 150 transitions, 1396 flow [2021-03-25 22:52:02,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 22:52:02,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 22:52:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 836 transitions. [2021-03-25 22:52:02,813 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5160493827160494 [2021-03-25 22:52:02,813 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 836 transitions. [2021-03-25 22:52:02,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 836 transitions. [2021-03-25 22:52:02,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:52:02,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 836 transitions. [2021-03-25 22:52:02,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 83.6) internal successors, (836), 10 states have internal predecessors, (836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:02,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 162.0) internal successors, (1782), 11 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:02,817 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 162.0) internal successors, (1782), 11 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:02,818 INFO L185 Difference]: Start difference. First operand has 104 places, 92 transitions, 717 flow. Second operand 10 states and 836 transitions. [2021-03-25 22:52:02,818 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 150 transitions, 1396 flow [2021-03-25 22:52:02,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 150 transitions, 1365 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-25 22:52:02,935 INFO L241 Difference]: Finished difference. Result has 111 places, 94 transitions, 764 flow [2021-03-25 22:52:02,936 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=688, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=764, PETRI_PLACES=111, PETRI_TRANSITIONS=94} [2021-03-25 22:52:02,936 INFO L343 CegarLoopForPetriNet]: 55 programPoint places, 56 predicate places. [2021-03-25 22:52:02,936 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:52:02,936 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 94 transitions, 764 flow [2021-03-25 22:52:02,936 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 94 transitions, 764 flow [2021-03-25 22:52:02,937 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 94 transitions, 764 flow [2021-03-25 22:52:03,007 INFO L129 PetriNetUnfolder]: 270/876 cut-off events. [2021-03-25 22:52:03,007 INFO L130 PetriNetUnfolder]: For 8431/8884 co-relation queries the response was YES. [2021-03-25 22:52:03,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5136 conditions, 876 events. 270/876 cut-off events. For 8431/8884 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 7047 event pairs, 240 based on Foata normal form. 1/745 useless extension candidates. Maximal degree in co-relation 5086. Up to 309 conditions per place. [2021-03-25 22:52:03,020 INFO L142 LiptonReduction]: Number of co-enabled transitions 1368 [2021-03-25 22:52:03,081 INFO L154 LiptonReduction]: Checked pairs total: 6 [2021-03-25 22:52:03,081 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:52:03,081 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 145 [2021-03-25 22:52:03,081 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 93 transitions, 760 flow [2021-03-25 22:52:03,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 74.28571428571429) internal successors, (520), 7 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:03,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:52:03,082 INFO L263 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1] [2021-03-25 22:52:03,082 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 22:52:03,082 INFO L428 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:52:03,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:52:03,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1483700083, now seen corresponding path program 1 times [2021-03-25 22:52:03,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:52:03,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767606819] [2021-03-25 22:52:03,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:52:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 22:52:03,091 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 22:52:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 22:52:03,096 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 22:52:03,100 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 22:52:03,100 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 22:52:03,100 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 22:52:03,100 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-25 22:52:03,100 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-03-25 22:52:03,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,111 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,111 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,111 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,111 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,111 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,111 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,112 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,112 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,112 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,112 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,112 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,112 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,113 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,113 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,119 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,128 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,129 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,129 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,129 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,129 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,130 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,130 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,130 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,130 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,131 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,131 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,131 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,131 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,132 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,132 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,132 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,132 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,133 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,133 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,133 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,133 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,133 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,133 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,133 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~v~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 22:52:03,134 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 22:52:03,134 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 22:52:03,135 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 22:52:03,135 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 22:52:03,135 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 22:52:03,135 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 22:52:03,135 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 22:52:03,135 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 22:52:03,136 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 22:52:03,136 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 22:52:03,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 97 transitions, 239 flow [2021-03-25 22:52:03,145 INFO L129 PetriNetUnfolder]: 11/141 cut-off events. [2021-03-25 22:52:03,146 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-03-25 22:52:03,146 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 141 events. 11/141 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 411 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 130. Up to 12 conditions per place. [2021-03-25 22:52:03,146 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 97 transitions, 239 flow [2021-03-25 22:52:03,147 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 97 transitions, 239 flow [2021-03-25 22:52:03,147 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:52:03,147 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 97 transitions, 239 flow [2021-03-25 22:52:03,148 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 97 transitions, 239 flow [2021-03-25 22:52:03,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 97 transitions, 239 flow [2021-03-25 22:52:03,160 INFO L129 PetriNetUnfolder]: 11/141 cut-off events. [2021-03-25 22:52:03,166 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-03-25 22:52:03,167 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 141 events. 11/141 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 400 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 130. Up to 12 conditions per place. [2021-03-25 22:52:03,170 INFO L142 LiptonReduction]: Number of co-enabled transitions 5600 [2021-03-25 22:52:05,124 INFO L154 LiptonReduction]: Checked pairs total: 14175 [2021-03-25 22:52:05,124 INFO L156 LiptonReduction]: Total number of compositions: 43 [2021-03-25 22:52:05,124 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1977 [2021-03-25 22:52:05,127 INFO L129 PetriNetUnfolder]: 1/25 cut-off events. [2021-03-25 22:52:05,127 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 22:52:05,127 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:52:05,127 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:52:05,127 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:52:05,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:52:05,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1693612786, now seen corresponding path program 1 times [2021-03-25 22:52:05,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:52:05,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412030310] [2021-03-25 22:52:05,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:52:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:52:05,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:05,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:52:05,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:05,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:52:05,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:05,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:52:05,164 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 22:52:05,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 22:52:05,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:52:05,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412030310] [2021-03-25 22:52:05,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:52:05,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:52:05,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202132004] [2021-03-25 22:52:05,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:52:05,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:52:05,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:52:05,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:52:05,186 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 140 [2021-03-25 22:52:05,187 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 60 transitions, 165 flow. Second operand has 5 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:05,187 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:52:05,187 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 140 [2021-03-25 22:52:05,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:52:16,847 INFO L129 PetriNetUnfolder]: 85097/121817 cut-off events. [2021-03-25 22:52:16,847 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2021-03-25 22:52:17,401 INFO L84 FinitePrefix]: Finished finitePrefix Result has 233279 conditions, 121817 events. 85097/121817 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 7121. Compared 1023731 event pairs, 35510 based on Foata normal form. 26577/111335 useless extension candidates. Maximal degree in co-relation 233221. Up to 56493 conditions per place. [2021-03-25 22:52:17,969 INFO L132 encePairwiseOnDemand]: 125/140 looper letters, 95 selfloop transitions, 18 changer transitions 0/138 dead transitions. [2021-03-25 22:52:17,969 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 138 transitions, 547 flow [2021-03-25 22:52:17,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 22:52:17,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 22:52:17,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 674 transitions. [2021-03-25 22:52:17,971 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8023809523809524 [2021-03-25 22:52:17,971 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 674 transitions. [2021-03-25 22:52:17,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 674 transitions. [2021-03-25 22:52:17,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:52:17,972 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 674 transitions. [2021-03-25 22:52:17,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 112.33333333333333) internal successors, (674), 6 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:17,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:17,975 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 140.0) internal successors, (980), 7 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:17,975 INFO L185 Difference]: Start difference. First operand has 66 places, 60 transitions, 165 flow. Second operand 6 states and 674 transitions. [2021-03-25 22:52:17,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 138 transitions, 547 flow [2021-03-25 22:52:17,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 138 transitions, 527 flow, removed 10 selfloop flow, removed 0 redundant places. [2021-03-25 22:52:17,977 INFO L241 Difference]: Finished difference. Result has 73 places, 78 transitions, 286 flow [2021-03-25 22:52:17,977 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=140, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=286, PETRI_PLACES=73, PETRI_TRANSITIONS=78} [2021-03-25 22:52:17,977 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 7 predicate places. [2021-03-25 22:52:17,977 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:52:17,977 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 78 transitions, 286 flow [2021-03-25 22:52:17,978 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 78 transitions, 286 flow [2021-03-25 22:52:17,978 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 78 transitions, 286 flow [2021-03-25 22:52:18,037 INFO L129 PetriNetUnfolder]: 313/986 cut-off events. [2021-03-25 22:52:18,038 INFO L130 PetriNetUnfolder]: For 137/413 co-relation queries the response was YES. [2021-03-25 22:52:18,044 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1881 conditions, 986 events. 313/986 cut-off events. For 137/413 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 7995 event pairs, 174 based on Foata normal form. 0/858 useless extension candidates. Maximal degree in co-relation 1853. Up to 280 conditions per place. [2021-03-25 22:52:18,058 INFO L142 LiptonReduction]: Number of co-enabled transitions 3038 [2021-03-25 22:52:18,600 INFO L154 LiptonReduction]: Checked pairs total: 7827 [2021-03-25 22:52:18,601 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 22:52:18,601 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 624 [2021-03-25 22:52:18,602 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 76 transitions, 282 flow [2021-03-25 22:52:18,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:18,602 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:52:18,602 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:52:18,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 22:52:18,602 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:52:18,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:52:18,602 INFO L82 PathProgramCache]: Analyzing trace with hash -932908164, now seen corresponding path program 1 times [2021-03-25 22:52:18,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:52:18,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824839089] [2021-03-25 22:52:18,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:52:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:52:18,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:18,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:52:18,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:18,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:52:18,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:18,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:52:18,627 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 22:52:18,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 22:52:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 22:52:18,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824839089] [2021-03-25 22:52:18,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:52:18,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:52:18,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339836393] [2021-03-25 22:52:18,644 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:52:18,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:52:18,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:52:18,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:52:18,645 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 142 [2021-03-25 22:52:18,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 76 transitions, 282 flow. Second operand has 5 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:18,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:52:18,646 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 142 [2021-03-25 22:52:18,646 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:52:45,051 INFO L129 PetriNetUnfolder]: 157918/225875 cut-off events. [2021-03-25 22:52:45,051 INFO L130 PetriNetUnfolder]: For 109049/119854 co-relation queries the response was YES. [2021-03-25 22:52:46,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 541899 conditions, 225875 events. 157918/225875 cut-off events. For 109049/119854 co-relation queries the response was YES. Maximal size of possible extension queue 13703. Compared 2035300 event pairs, 80816 based on Foata normal form. 218/191519 useless extension candidates. Maximal degree in co-relation 541838. Up to 103091 conditions per place. [2021-03-25 22:52:47,541 INFO L132 encePairwiseOnDemand]: 133/142 looper letters, 112 selfloop transitions, 31 changer transitions 0/167 dead transitions. [2021-03-25 22:52:47,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 167 transitions, 876 flow [2021-03-25 22:52:47,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 22:52:47,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 22:52:47,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 661 transitions. [2021-03-25 22:52:47,542 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7758215962441315 [2021-03-25 22:52:47,543 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 661 transitions. [2021-03-25 22:52:47,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 661 transitions. [2021-03-25 22:52:47,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:52:47,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 661 transitions. [2021-03-25 22:52:47,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 110.16666666666667) internal successors, (661), 6 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:47,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 142.0) internal successors, (994), 7 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:47,546 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 142.0) internal successors, (994), 7 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:47,546 INFO L185 Difference]: Start difference. First operand has 71 places, 76 transitions, 282 flow. Second operand 6 states and 661 transitions. [2021-03-25 22:52:47,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 167 transitions, 876 flow [2021-03-25 22:52:49,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 167 transitions, 876 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 22:52:49,117 INFO L241 Difference]: Finished difference. Result has 78 places, 96 transitions, 494 flow [2021-03-25 22:52:49,117 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=494, PETRI_PLACES=78, PETRI_TRANSITIONS=96} [2021-03-25 22:52:49,117 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 12 predicate places. [2021-03-25 22:52:49,117 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:52:49,117 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 96 transitions, 494 flow [2021-03-25 22:52:49,117 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 96 transitions, 494 flow [2021-03-25 22:52:49,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 96 transitions, 494 flow [2021-03-25 22:52:49,240 INFO L129 PetriNetUnfolder]: 802/2377 cut-off events. [2021-03-25 22:52:49,240 INFO L130 PetriNetUnfolder]: For 950/2414 co-relation queries the response was YES. [2021-03-25 22:52:49,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5257 conditions, 2377 events. 802/2377 cut-off events. For 950/2414 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 22934 event pairs, 322 based on Foata normal form. 70/2165 useless extension candidates. Maximal degree in co-relation 5227. Up to 644 conditions per place. [2021-03-25 22:52:49,278 INFO L142 LiptonReduction]: Number of co-enabled transitions 3894 [2021-03-25 22:52:51,273 INFO L154 LiptonReduction]: Checked pairs total: 6590 [2021-03-25 22:52:51,274 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 22:52:51,274 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2157 [2021-03-25 22:52:51,275 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 95 transitions, 492 flow [2021-03-25 22:52:51,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:51,275 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:52:51,275 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:52:51,275 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-25 22:52:51,275 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:52:51,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:52:51,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1780502545, now seen corresponding path program 1 times [2021-03-25 22:52:51,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:52:51,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369016640] [2021-03-25 22:52:51,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:52:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:52:51,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:51,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 22:52:51,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:51,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:52:51,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:52:51,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:52:51,306 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-25 22:52:51,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 22:52:51,326 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-03-25 22:52:51,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369016640] [2021-03-25 22:52:51,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:52:51,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:52:51,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499205536] [2021-03-25 22:52:51,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 22:52:51,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:52:51,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 22:52:51,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 22:52:51,328 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 143 [2021-03-25 22:52:51,328 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 95 transitions, 492 flow. Second operand has 5 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:52:51,329 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:52:51,329 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 143 [2021-03-25 22:52:51,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:53:50,110 INFO L129 PetriNetUnfolder]: 279678/405429 cut-off events. [2021-03-25 22:53:50,110 INFO L130 PetriNetUnfolder]: For 323570/337965 co-relation queries the response was YES. [2021-03-25 22:53:52,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1062891 conditions, 405429 events. 279678/405429 cut-off events. For 323570/337965 co-relation queries the response was YES. Maximal size of possible extension queue 25193. Compared 3987356 event pairs, 133770 based on Foata normal form. 225/354075 useless extension candidates. Maximal degree in co-relation 1062860. Up to 187366 conditions per place. [2021-03-25 22:53:54,502 INFO L132 encePairwiseOnDemand]: 134/143 looper letters, 132 selfloop transitions, 47 changer transitions 0/203 dead transitions. [2021-03-25 22:53:54,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 203 transitions, 1373 flow [2021-03-25 22:53:54,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 22:53:54,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 22:53:54,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 661 transitions. [2021-03-25 22:53:54,505 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7703962703962703 [2021-03-25 22:53:54,505 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 661 transitions. [2021-03-25 22:53:54,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 661 transitions. [2021-03-25 22:53:54,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:53:54,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 661 transitions. [2021-03-25 22:53:54,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 110.16666666666667) internal successors, (661), 6 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:53:54,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 143.0) internal successors, (1001), 7 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:53:54,508 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 143.0) internal successors, (1001), 7 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:53:54,508 INFO L185 Difference]: Start difference. First operand has 77 places, 95 transitions, 492 flow. Second operand 6 states and 661 transitions. [2021-03-25 22:53:54,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 203 transitions, 1373 flow [2021-03-25 22:53:58,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 203 transitions, 1373 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 22:53:58,968 INFO L241 Difference]: Finished difference. Result has 84 places, 124 transitions, 870 flow [2021-03-25 22:53:58,968 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=492, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=870, PETRI_PLACES=84, PETRI_TRANSITIONS=124} [2021-03-25 22:53:58,969 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 18 predicate places. [2021-03-25 22:53:58,969 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:53:58,969 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 124 transitions, 870 flow [2021-03-25 22:53:58,969 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 124 transitions, 870 flow [2021-03-25 22:53:58,970 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 124 transitions, 870 flow [2021-03-25 22:53:59,329 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([684] L723-->L724: Formula: (= v_~value~0_5 (+ v_thr1Thread3of5ForFork0_~v~0_5 1)) InVars {thr1Thread3of5ForFork0_~v~0=v_thr1Thread3of5ForFork0_~v~0_5} OutVars{thr1Thread3of5ForFork0_~v~0=v_thr1Thread3of5ForFork0_~v~0_5, ~value~0=v_~value~0_5} AuxVars[] AssignedVars[~value~0][71], [thr1Thread1of5ForFork0InUse, Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), thr1Thread2of5ForFork0InUse, 227#true, thr1Thread3of5ForFork0InUse, 71#thr1Err0ASSERT_VIOLATIONERROR_FUNCTIONtrue, thr1Thread4of5ForFork0InUse, 73#L733-3true, thr1Thread5of5ForFork0InUse, 106#true, 77#L723true, Black: 230#(= thr1Thread3of5ForFork0_~v~0 0), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), 14#L724true, Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 108#(= ~value~0 0), Black: 109#(= thr1Thread1of5ForFork0_~v~0 0), 55#L724true, 153#(= thr1Thread2of5ForFork0_~v~0 0), 26#L724true]) [2021-03-25 22:53:59,329 INFO L384 tUnfolder$Statistics]: this new event has 41 ancestors and is cut-off event [2021-03-25 22:53:59,329 INFO L387 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2021-03-25 22:53:59,329 INFO L387 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2021-03-25 22:53:59,329 INFO L387 tUnfolder$Statistics]: existing Event has 41 ancestors and is cut-off event [2021-03-25 22:53:59,370 INFO L129 PetriNetUnfolder]: 2342/6627 cut-off events. [2021-03-25 22:53:59,370 INFO L130 PetriNetUnfolder]: For 7289/13433 co-relation queries the response was YES. [2021-03-25 22:53:59,405 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17344 conditions, 6627 events. 2342/6627 cut-off events. For 7289/13433 co-relation queries the response was YES. Maximal size of possible extension queue 746. Compared 76308 event pairs, 813 based on Foata normal form. 457/6423 useless extension candidates. Maximal degree in co-relation 17311. Up to 2049 conditions per place. [2021-03-25 22:53:59,487 INFO L142 LiptonReduction]: Number of co-enabled transitions 4990 [2021-03-25 22:54:23,093 INFO L154 LiptonReduction]: Checked pairs total: 4782 [2021-03-25 22:54:23,093 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:54:23,093 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24124 [2021-03-25 22:54:23,094 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 124 transitions, 870 flow [2021-03-25 22:54:23,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 92.4) internal successors, (462), 5 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:54:23,094 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:54:23,094 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:54:23,094 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-25 22:54:23,094 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:54:23,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:54:23,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1723074470, now seen corresponding path program 1 times [2021-03-25 22:54:23,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:54:23,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512849534] [2021-03-25 22:54:23,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:54:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:54:23,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,146 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.4 percent of original size [2021-03-25 22:54:23,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 22:54:23,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:54:23,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512849534] [2021-03-25 22:54:23,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343262827] [2021-03-25 22:54:23,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:54:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:54:23,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-25 22:54:23,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-25 22:54:23,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:54:23,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:54:23,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:54:23,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:54:23,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:54:23,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 22:54:23,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 22:54:23,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 22:54:23,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:54:23,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 22:54:23,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 22:54:23,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-25 22:54:23,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-25 22:54:23,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767184407] [2021-03-25 22:54:23,291 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 22:54:23,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:54:23,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 22:54:23,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 22:54:23,293 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 143 [2021-03-25 22:54:23,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 124 transitions, 870 flow. Second operand has 8 states, 8 states have (on average 88.75) internal successors, (710), 8 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:54:23,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:54:23,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 143 [2021-03-25 22:54:23,293 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 22:55:26,417 INFO L129 PetriNetUnfolder]: 305864/445840 cut-off events. [2021-03-25 22:55:26,417 INFO L130 PetriNetUnfolder]: For 586032/599698 co-relation queries the response was YES. [2021-03-25 22:55:29,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1266511 conditions, 445840 events. 305864/445840 cut-off events. For 586032/599698 co-relation queries the response was YES. Maximal size of possible extension queue 27270. Compared 4445082 event pairs, 165270 based on Foata normal form. 9180/414845 useless extension candidates. Maximal degree in co-relation 1176820. Up to 191657 conditions per place. [2021-03-25 22:55:31,490 INFO L132 encePairwiseOnDemand]: 128/143 looper letters, 172 selfloop transitions, 53 changer transitions 0/246 dead transitions. [2021-03-25 22:55:31,490 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 246 transitions, 1765 flow [2021-03-25 22:55:31,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 22:55:31,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 22:55:31,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 969 transitions. [2021-03-25 22:55:31,492 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.752913752913753 [2021-03-25 22:55:31,492 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 969 transitions. [2021-03-25 22:55:31,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 969 transitions. [2021-03-25 22:55:31,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 22:55:31,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 969 transitions. [2021-03-25 22:55:31,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 107.66666666666667) internal successors, (969), 9 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:55:31,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 143.0) internal successors, (1430), 10 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:55:31,495 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 143.0) internal successors, (1430), 10 states have internal predecessors, (1430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:55:31,495 INFO L185 Difference]: Start difference. First operand has 84 places, 124 transitions, 870 flow. Second operand 9 states and 969 transitions. [2021-03-25 22:55:31,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 246 transitions, 1765 flow [2021-03-25 22:55:32,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 246 transitions, 1765 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 22:55:32,224 INFO L241 Difference]: Finished difference. Result has 96 places, 136 transitions, 1146 flow [2021-03-25 22:55:32,224 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=870, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1146, PETRI_PLACES=96, PETRI_TRANSITIONS=136} [2021-03-25 22:55:32,224 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 30 predicate places. [2021-03-25 22:55:32,224 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 22:55:32,225 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 136 transitions, 1146 flow [2021-03-25 22:55:32,225 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 136 transitions, 1146 flow [2021-03-25 22:55:32,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 136 transitions, 1146 flow [2021-03-25 22:55:32,701 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([679] L717-1-->L719: Formula: (= 4294967295 (mod v_~value~0_2 4294967296)) InVars {~value~0=v_~value~0_2} OutVars{~value~0=v_~value~0_2} AuxVars[] AssignedVars[][51], [71#thr1Err0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 73#L733-3true, 17#L719true, 150#true, 24#L719true, 26#L724true, Black: 153#(= thr1Thread2of5ForFork0_~v~0 0), thr1Thread1of5ForFork0InUse, Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), thr1Thread2of5ForFork0InUse, 37#L719true, thr1Thread3of5ForFork0InUse, 230#(= thr1Thread3of5ForFork0_~v~0 0), thr1Thread4of5ForFork0InUse, thr1Thread5of5ForFork0InUse, Black: 357#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 359#(and (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 2)) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= (+ thr1Thread1of5ForFork0_~v~0 2) ~value~0)), 298#(= thr1Thread1of5ForFork0_~v~0 0), Black: 299#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 300#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 109#(= thr1Thread1of5ForFork0_~v~0 0), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 108#(= ~value~0 0)]) [2021-03-25 22:55:32,702 INFO L384 tUnfolder$Statistics]: this new event has 36 ancestors and is cut-off event [2021-03-25 22:55:32,702 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2021-03-25 22:55:32,702 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2021-03-25 22:55:32,702 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2021-03-25 22:55:32,749 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([684] L723-->L724: Formula: (= v_~value~0_5 (+ v_thr1Thread3of5ForFork0_~v~0_5 1)) InVars {thr1Thread3of5ForFork0_~v~0=v_thr1Thread3of5ForFork0_~v~0_5} OutVars{thr1Thread3of5ForFork0_~v~0=v_thr1Thread3of5ForFork0_~v~0_5, ~value~0=v_~value~0_5} AuxVars[] AssignedVars[~value~0][12], [73#L733-3true, 11#thr1Err0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 14#L724true, 84#L719true, 150#true, 28#L724true, Black: 153#(= thr1Thread2of5ForFork0_~v~0 0), thr1Thread1of5ForFork0InUse, Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), 227#true, thr1Thread2of5ForFork0InUse, thr1Thread3of5ForFork0InUse, thr1Thread4of5ForFork0InUse, thr1Thread5of5ForFork0InUse, Black: 357#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 359#(and (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 2)) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= (+ thr1Thread1of5ForFork0_~v~0 2) ~value~0)), 298#(= thr1Thread1of5ForFork0_~v~0 0), Black: 299#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 300#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 109#(= thr1Thread1of5ForFork0_~v~0 0), Black: 230#(= thr1Thread3of5ForFork0_~v~0 0), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 108#(= ~value~0 0), 55#L724true]) [2021-03-25 22:55:32,749 INFO L384 tUnfolder$Statistics]: this new event has 40 ancestors and is cut-off event [2021-03-25 22:55:32,749 INFO L387 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2021-03-25 22:55:32,749 INFO L387 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2021-03-25 22:55:32,749 INFO L387 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2021-03-25 22:55:32,749 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([679] L717-1-->L719: Formula: (= 4294967295 (mod v_~value~0_2 4294967296)) InVars {~value~0=v_~value~0_2} OutVars{~value~0=v_~value~0_2} AuxVars[] AssignedVars[][51], [73#L733-3true, 74#L723true, 11#thr1Err0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 84#L719true, 150#true, Black: 153#(= thr1Thread2of5ForFork0_~v~0 0), thr1Thread1of5ForFork0InUse, Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), thr1Thread2of5ForFork0InUse, 37#L719true, thr1Thread3of5ForFork0InUse, 230#(= thr1Thread3of5ForFork0_~v~0 0), thr1Thread4of5ForFork0InUse, thr1Thread5of5ForFork0InUse, Black: 357#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 298#(= thr1Thread1of5ForFork0_~v~0 0), Black: 359#(and (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 2)) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= (+ thr1Thread1of5ForFork0_~v~0 2) ~value~0)), Black: 299#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 300#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 109#(= thr1Thread1of5ForFork0_~v~0 0), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 108#(= ~value~0 0), 55#L724true]) [2021-03-25 22:55:32,749 INFO L384 tUnfolder$Statistics]: this new event has 37 ancestors and is cut-off event [2021-03-25 22:55:32,749 INFO L387 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2021-03-25 22:55:32,749 INFO L387 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2021-03-25 22:55:32,749 INFO L387 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2021-03-25 22:55:32,756 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([679] L717-1-->L719: Formula: (= 4294967295 (mod v_~value~0_2 4294967296)) InVars {~value~0=v_~value~0_2} OutVars{~value~0=v_~value~0_2} AuxVars[] AssignedVars[][51], [64#L719true, thr1Thread1of5ForFork0InUse, Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), thr1Thread2of5ForFork0InUse, 37#L719true, thr1Thread3of5ForFork0InUse, 230#(= thr1Thread3of5ForFork0_~v~0 0), thr1Thread4of5ForFork0InUse, Black: 357#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 73#L733-3true, thr1Thread5of5ForFork0InUse, 298#(= thr1Thread1of5ForFork0_~v~0 0), Black: 359#(and (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 2)) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= (+ thr1Thread1of5ForFork0_~v~0 2) ~value~0)), 11#thr1Err0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 299#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 300#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 109#(= thr1Thread1of5ForFork0_~v~0 0), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), 84#L719true, Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 108#(= ~value~0 0), 55#L724true, 153#(= thr1Thread2of5ForFork0_~v~0 0)]) [2021-03-25 22:55:32,756 INFO L384 tUnfolder$Statistics]: this new event has 36 ancestors and is not cut-off event [2021-03-25 22:55:32,756 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is not cut-off event [2021-03-25 22:55:32,756 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is not cut-off event [2021-03-25 22:55:32,756 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is not cut-off event [2021-03-25 22:55:32,779 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([679] L717-1-->L719: Formula: (= 4294967295 (mod v_~value~0_2 4294967296)) InVars {~value~0=v_~value~0_2} OutVars{~value~0=v_~value~0_2} AuxVars[] AssignedVars[][51], [73#L733-3true, 74#L723true, 11#thr1Err0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 150#true, 24#L719true, 26#L724true, Black: 153#(= thr1Thread2of5ForFork0_~v~0 0), thr1Thread1of5ForFork0InUse, Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), thr1Thread2of5ForFork0InUse, 37#L719true, thr1Thread3of5ForFork0InUse, 230#(= thr1Thread3of5ForFork0_~v~0 0), thr1Thread4of5ForFork0InUse, Black: 357#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), thr1Thread5of5ForFork0InUse, 298#(= thr1Thread1of5ForFork0_~v~0 0), Black: 359#(and (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 2)) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= (+ thr1Thread1of5ForFork0_~v~0 2) ~value~0)), Black: 299#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 300#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 109#(= thr1Thread1of5ForFork0_~v~0 0), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 108#(= ~value~0 0)]) [2021-03-25 22:55:32,779 INFO L384 tUnfolder$Statistics]: this new event has 37 ancestors and is cut-off event [2021-03-25 22:55:32,779 INFO L387 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2021-03-25 22:55:32,779 INFO L387 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2021-03-25 22:55:32,779 INFO L387 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2021-03-25 22:55:32,806 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([679] L717-1-->L719: Formula: (= 4294967295 (mod v_~value~0_2 4294967296)) InVars {~value~0=v_~value~0_2} OutVars{~value~0=v_~value~0_2} AuxVars[] AssignedVars[][51], [64#L719true, thr1Thread1of5ForFork0InUse, Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), thr1Thread2of5ForFork0InUse, 37#L719true, thr1Thread3of5ForFork0InUse, 230#(= thr1Thread3of5ForFork0_~v~0 0), thr1Thread4of5ForFork0InUse, Black: 357#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 73#L733-3true, thr1Thread5of5ForFork0InUse, 298#(= thr1Thread1of5ForFork0_~v~0 0), Black: 359#(and (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 2)) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= (+ thr1Thread1of5ForFork0_~v~0 2) ~value~0)), 11#thr1Err0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 299#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 300#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 109#(= thr1Thread1of5ForFork0_~v~0 0), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 108#(= ~value~0 0), 24#L719true, 153#(= thr1Thread2of5ForFork0_~v~0 0), 26#L724true]) [2021-03-25 22:55:32,807 INFO L384 tUnfolder$Statistics]: this new event has 36 ancestors and is not cut-off event [2021-03-25 22:55:32,807 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is not cut-off event [2021-03-25 22:55:32,807 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is not cut-off event [2021-03-25 22:55:32,807 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is not cut-off event [2021-03-25 22:55:32,855 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([656] L723-->L724: Formula: (= v_~value~0_5 (+ v_thr1Thread2of5ForFork0_~v~0_5 1)) InVars {thr1Thread2of5ForFork0_~v~0=v_thr1Thread2of5ForFork0_~v~0_5} OutVars{thr1Thread2of5ForFork0_~v~0=v_thr1Thread2of5ForFork0_~v~0_5, ~value~0=v_~value~0_5} AuxVars[] AssignedVars[~value~0][81], [73#L733-3true, 14#L724true, 150#true, 24#L719true, 26#L724true, 28#L724true, Black: 153#(= thr1Thread2of5ForFork0_~v~0 0), thr1Thread1of5ForFork0InUse, Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), thr1Thread2of5ForFork0InUse, thr1Thread3of5ForFork0InUse, 230#(= thr1Thread3of5ForFork0_~v~0 0), 295#true, thr1Thread4of5ForFork0InUse, Black: 357#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), thr1Thread5of5ForFork0InUse, 106#true, Black: 359#(and (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 2)) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= (+ thr1Thread1of5ForFork0_~v~0 2) ~value~0)), Black: 299#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 300#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), 53#L724true, Black: 108#(= ~value~0 0), Black: 109#(= thr1Thread1of5ForFork0_~v~0 0)]) [2021-03-25 22:55:32,856 INFO L384 tUnfolder$Statistics]: this new event has 38 ancestors and is cut-off event [2021-03-25 22:55:32,856 INFO L387 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2021-03-25 22:55:32,856 INFO L387 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2021-03-25 22:55:32,856 INFO L387 tUnfolder$Statistics]: existing Event has 38 ancestors and is cut-off event [2021-03-25 22:55:32,986 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([656] L723-->L724: Formula: (= v_~value~0_5 (+ v_thr1Thread2of5ForFork0_~v~0_5 1)) InVars {thr1Thread2of5ForFork0_~v~0=v_thr1Thread2of5ForFork0_~v~0_5} OutVars{thr1Thread2of5ForFork0_~v~0=v_thr1Thread2of5ForFork0_~v~0_5, ~value~0=v_~value~0_5} AuxVars[] AssignedVars[~value~0][81], [73#L733-3true, 150#true, 24#L719true, 26#L724true, 28#L724true, Black: 153#(= thr1Thread2of5ForFork0_~v~0 0), thr1Thread1of5ForFork0InUse, Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), thr1Thread2of5ForFork0InUse, thr1Thread3of5ForFork0InUse, 230#(= thr1Thread3of5ForFork0_~v~0 0), 295#true, thr1Thread4of5ForFork0InUse, Black: 357#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), thr1Thread5of5ForFork0InUse, 106#true, Black: 359#(and (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 2)) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= (+ thr1Thread1of5ForFork0_~v~0 2) ~value~0)), Black: 299#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 300#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), 49#thr1Err0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), 53#L724true, Black: 108#(= ~value~0 0), Black: 109#(= thr1Thread1of5ForFork0_~v~0 0)]) [2021-03-25 22:55:32,986 INFO L384 tUnfolder$Statistics]: this new event has 40 ancestors and is cut-off event [2021-03-25 22:55:32,986 INFO L387 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2021-03-25 22:55:32,986 INFO L387 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2021-03-25 22:55:32,986 INFO L387 tUnfolder$Statistics]: existing Event has 40 ancestors and is cut-off event [2021-03-25 22:55:33,125 INFO L129 PetriNetUnfolder]: 5605/13785 cut-off events. [2021-03-25 22:55:33,125 INFO L130 PetriNetUnfolder]: For 43807/58055 co-relation queries the response was YES. [2021-03-25 22:55:33,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47902 conditions, 13785 events. 5605/13785 cut-off events. For 43807/58055 co-relation queries the response was YES. Maximal size of possible extension queue 1726. Compared 168962 event pairs, 2545 based on Foata normal form. 997/12901 useless extension candidates. Maximal degree in co-relation 47863. Up to 5061 conditions per place. [2021-03-25 22:55:33,390 INFO L142 LiptonReduction]: Number of co-enabled transitions 5442 [2021-03-25 22:58:31,450 INFO L154 LiptonReduction]: Checked pairs total: 4425 [2021-03-25 22:58:31,451 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 22:58:31,451 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 179227 [2021-03-25 22:58:31,451 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 136 transitions, 1146 flow [2021-03-25 22:58:31,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 88.75) internal successors, (710), 8 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:58:31,452 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 22:58:31,452 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 22:58:31,652 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-25 22:58:31,652 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 22:58:31,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 22:58:31,653 INFO L82 PathProgramCache]: Analyzing trace with hash 137140984, now seen corresponding path program 2 times [2021-03-25 22:58:31,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 22:58:31,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244939532] [2021-03-25 22:58:31,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 22:58:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 22:58:31,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:58:31,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 22:58:31,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:58:31,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:58:31,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 22:58:31,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 22:58:31,749 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-25 22:58:31,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 22:58:31,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-25 22:58:31,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244939532] [2021-03-25 22:58:31,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 22:58:31,768 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 22:58:31,768 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607364263] [2021-03-25 22:58:31,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 22:58:31,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 22:58:31,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 22:58:31,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 22:58:31,769 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 143 [2021-03-25 22:58:31,770 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 136 transitions, 1146 flow. Second operand has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 22:58:31,770 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 22:58:31,770 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 143 [2021-03-25 22:58:31,770 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 23:00:11,506 INFO L129 PetriNetUnfolder]: 417269/609350 cut-off events. [2021-03-25 23:00:11,507 INFO L130 PetriNetUnfolder]: For 1515438/1551682 co-relation queries the response was YES. [2021-03-25 23:00:15,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1992938 conditions, 609350 events. 417269/609350 cut-off events. For 1515438/1551682 co-relation queries the response was YES. Maximal size of possible extension queue 37501. Compared 6292962 event pairs, 254067 based on Foata normal form. 2180/557244 useless extension candidates. Maximal degree in co-relation 1992850. Up to 422712 conditions per place. [2021-03-25 23:00:18,949 INFO L132 encePairwiseOnDemand]: 131/143 looper letters, 177 selfloop transitions, 68 changer transitions 0/266 dead transitions. [2021-03-25 23:00:18,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 266 transitions, 2420 flow [2021-03-25 23:00:18,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 23:00:18,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 23:00:18,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 857 transitions. [2021-03-25 23:00:18,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7491258741258742 [2021-03-25 23:00:18,951 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 857 transitions. [2021-03-25 23:00:18,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 857 transitions. [2021-03-25 23:00:18,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 23:00:18,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 857 transitions. [2021-03-25 23:00:18,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 107.125) internal successors, (857), 8 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:00:18,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 143.0) internal successors, (1287), 9 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:00:18,954 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 143.0) internal successors, (1287), 9 states have internal predecessors, (1287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 23:00:18,954 INFO L185 Difference]: Start difference. First operand has 96 places, 136 transitions, 1146 flow. Second operand 8 states and 857 transitions. [2021-03-25 23:00:18,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 266 transitions, 2420 flow [2021-03-25 23:01:58,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 266 transitions, 2301 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-03-25 23:01:58,008 INFO L241 Difference]: Finished difference. Result has 103 places, 174 transitions, 1700 flow [2021-03-25 23:01:58,008 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=143, PETRI_DIFFERENCE_MINUEND_FLOW=1060, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1700, PETRI_PLACES=103, PETRI_TRANSITIONS=174} [2021-03-25 23:01:58,008 INFO L343 CegarLoopForPetriNet]: 66 programPoint places, 37 predicate places. [2021-03-25 23:01:58,008 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:01:58,009 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 174 transitions, 1700 flow [2021-03-25 23:01:58,009 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 174 transitions, 1700 flow [2021-03-25 23:01:58,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 174 transitions, 1700 flow [2021-03-25 23:01:58,472 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([679] L717-1-->L719: Formula: (= 4294967295 (mod v_~value~0_2 4294967296)) InVars {~value~0=v_~value~0_2} OutVars{~value~0=v_~value~0_2} AuxVars[] AssignedVars[][62], [454#true, 73#L733-3true, 74#L723true, Black: 457#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), 17#L719true, Black: 458#(and (= thr1Thread2of5ForFork0_~v~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 459#(and (= thr1Thread1of5ForFork0_~v~0 0) (<= 1 ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 463#(and (= thr1Thread2of5ForFork0_~v~0 0) (= thr1Thread1of5ForFork0_~v~0 0) (<= 1 ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), 84#L719true, 150#true, Black: 153#(= thr1Thread2of5ForFork0_~v~0 0), Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), thr1Thread1of5ForFork0InUse, thr1Thread2of5ForFork0InUse, thr1Thread3of5ForFork0InUse, 37#L719true, 230#(= thr1Thread3of5ForFork0_~v~0 0), thr1Thread4of5ForFork0InUse, thr1Thread5of5ForFork0InUse, Black: 357#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 298#(= thr1Thread1of5ForFork0_~v~0 0), Black: 359#(and (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 2)) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= (+ thr1Thread1of5ForFork0_~v~0 2) ~value~0)), Black: 299#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 300#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 109#(= thr1Thread1of5ForFork0_~v~0 0), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 108#(= ~value~0 0), 55#L724true]) [2021-03-25 23:01:58,472 INFO L384 tUnfolder$Statistics]: this new event has 33 ancestors and is cut-off event [2021-03-25 23:01:58,472 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-25 23:01:58,472 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-25 23:01:58,472 INFO L387 tUnfolder$Statistics]: existing Event has 33 ancestors and is cut-off event [2021-03-25 23:01:58,816 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([679] L717-1-->L719: Formula: (= 4294967295 (mod v_~value~0_2 4294967296)) InVars {~value~0=v_~value~0_2} OutVars{~value~0=v_~value~0_2} AuxVars[] AssignedVars[][62], [454#true, 71#thr1Err0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 73#L733-3true, 17#L719true, Black: 457#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 458#(and (= thr1Thread2of5ForFork0_~v~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 459#(and (= thr1Thread1of5ForFork0_~v~0 0) (<= 1 ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 463#(and (= thr1Thread2of5ForFork0_~v~0 0) (= thr1Thread1of5ForFork0_~v~0 0) (<= 1 ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), 150#true, 24#L719true, 26#L724true, Black: 153#(= thr1Thread2of5ForFork0_~v~0 0), thr1Thread1of5ForFork0InUse, Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), thr1Thread2of5ForFork0InUse, thr1Thread3of5ForFork0InUse, 37#L719true, 230#(= thr1Thread3of5ForFork0_~v~0 0), thr1Thread4of5ForFork0InUse, thr1Thread5of5ForFork0InUse, Black: 357#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 298#(= thr1Thread1of5ForFork0_~v~0 0), Black: 359#(and (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 2)) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= (+ thr1Thread1of5ForFork0_~v~0 2) ~value~0)), Black: 299#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 300#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 109#(= thr1Thread1of5ForFork0_~v~0 0), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 108#(= ~value~0 0)]) [2021-03-25 23:01:58,816 INFO L384 tUnfolder$Statistics]: this new event has 36 ancestors and is cut-off event [2021-03-25 23:01:58,816 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2021-03-25 23:01:58,816 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2021-03-25 23:01:58,816 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is cut-off event [2021-03-25 23:01:58,844 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([679] L717-1-->L719: Formula: (= 4294967295 (mod v_~value~0_2 4294967296)) InVars {~value~0=v_~value~0_2} OutVars{~value~0=v_~value~0_2} AuxVars[] AssignedVars[][62], [64#L719true, 73#L733-3true, 458#(and (= thr1Thread2of5ForFork0_~v~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), 11#thr1Err0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 457#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 459#(and (= thr1Thread1of5ForFork0_~v~0 0) (<= 1 ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), 84#L719true, Black: 463#(and (= thr1Thread2of5ForFork0_~v~0 0) (= thr1Thread1of5ForFork0_~v~0 0) (<= 1 ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), 153#(= thr1Thread2of5ForFork0_~v~0 0), Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), thr1Thread1of5ForFork0InUse, thr1Thread2of5ForFork0InUse, thr1Thread3of5ForFork0InUse, 37#L719true, 230#(= thr1Thread3of5ForFork0_~v~0 0), thr1Thread4of5ForFork0InUse, thr1Thread5of5ForFork0InUse, Black: 357#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 298#(= thr1Thread1of5ForFork0_~v~0 0), Black: 359#(and (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 2)) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= (+ thr1Thread1of5ForFork0_~v~0 2) ~value~0)), Black: 299#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 300#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 109#(= thr1Thread1of5ForFork0_~v~0 0), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 108#(= ~value~0 0), 55#L724true]) [2021-03-25 23:01:58,844 INFO L384 tUnfolder$Statistics]: this new event has 36 ancestors and is not cut-off event [2021-03-25 23:01:58,844 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is not cut-off event [2021-03-25 23:01:58,844 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is not cut-off event [2021-03-25 23:01:58,844 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is not cut-off event [2021-03-25 23:01:58,905 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([679] L717-1-->L719: Formula: (= 4294967295 (mod v_~value~0_2 4294967296)) InVars {~value~0=v_~value~0_2} OutVars{~value~0=v_~value~0_2} AuxVars[] AssignedVars[][62], [64#L719true, 73#L733-3true, 458#(and (= thr1Thread2of5ForFork0_~v~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), 11#thr1Err0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 457#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 459#(and (= thr1Thread1of5ForFork0_~v~0 0) (<= 1 ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 463#(and (= thr1Thread2of5ForFork0_~v~0 0) (= thr1Thread1of5ForFork0_~v~0 0) (<= 1 ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), 24#L719true, 153#(= thr1Thread2of5ForFork0_~v~0 0), 26#L724true, Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), thr1Thread1of5ForFork0InUse, thr1Thread2of5ForFork0InUse, thr1Thread3of5ForFork0InUse, 37#L719true, 230#(= thr1Thread3of5ForFork0_~v~0 0), thr1Thread4of5ForFork0InUse, thr1Thread5of5ForFork0InUse, Black: 357#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 298#(= thr1Thread1of5ForFork0_~v~0 0), Black: 359#(and (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 2)) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= (+ thr1Thread1of5ForFork0_~v~0 2) ~value~0)), Black: 299#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 300#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 109#(= thr1Thread1of5ForFork0_~v~0 0), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 108#(= ~value~0 0)]) [2021-03-25 23:01:58,906 INFO L384 tUnfolder$Statistics]: this new event has 36 ancestors and is not cut-off event [2021-03-25 23:01:58,906 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is not cut-off event [2021-03-25 23:01:58,906 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is not cut-off event [2021-03-25 23:01:58,906 INFO L387 tUnfolder$Statistics]: existing Event has 36 ancestors and is not cut-off event [2021-03-25 23:01:58,958 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([679] L717-1-->L719: Formula: (= 4294967295 (mod v_~value~0_2 4294967296)) InVars {~value~0=v_~value~0_2} OutVars{~value~0=v_~value~0_2} AuxVars[] AssignedVars[][62], [454#true, 73#L733-3true, 74#L723true, 11#thr1Err0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 457#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 458#(and (= thr1Thread2of5ForFork0_~v~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 459#(and (= thr1Thread1of5ForFork0_~v~0 0) (<= 1 ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 463#(and (= thr1Thread2of5ForFork0_~v~0 0) (= thr1Thread1of5ForFork0_~v~0 0) (<= 1 ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), 84#L719true, 150#true, Black: 153#(= thr1Thread2of5ForFork0_~v~0 0), Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), thr1Thread1of5ForFork0InUse, thr1Thread2of5ForFork0InUse, thr1Thread3of5ForFork0InUse, 37#L719true, 230#(= thr1Thread3of5ForFork0_~v~0 0), thr1Thread4of5ForFork0InUse, thr1Thread5of5ForFork0InUse, Black: 357#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 359#(and (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 2)) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= (+ thr1Thread1of5ForFork0_~v~0 2) ~value~0)), 298#(= thr1Thread1of5ForFork0_~v~0 0), Black: 299#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 300#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 109#(= thr1Thread1of5ForFork0_~v~0 0), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 108#(= ~value~0 0), 55#L724true]) [2021-03-25 23:01:58,959 INFO L384 tUnfolder$Statistics]: this new event has 37 ancestors and is not cut-off event [2021-03-25 23:01:58,959 INFO L387 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2021-03-25 23:01:58,959 INFO L387 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2021-03-25 23:01:58,959 INFO L387 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2021-03-25 23:01:58,978 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([656] L723-->L724: Formula: (= v_~value~0_5 (+ v_thr1Thread2of5ForFork0_~v~0_5 1)) InVars {thr1Thread2of5ForFork0_~v~0=v_thr1Thread2of5ForFork0_~v~0_5} OutVars{thr1Thread2of5ForFork0_~v~0=v_thr1Thread2of5ForFork0_~v~0_5, ~value~0=v_~value~0_5} AuxVars[] AssignedVars[~value~0][38], [454#true, 73#L733-3true, 76#L717-1true, Black: 457#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 458#(and (= thr1Thread2of5ForFork0_~v~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 459#(and (= thr1Thread1of5ForFork0_~v~0 0) (<= 1 ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 463#(and (= thr1Thread2of5ForFork0_~v~0 0) (= thr1Thread1of5ForFork0_~v~0 0) (<= 1 ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), 150#true, 26#L724true, 28#L724true, Black: 153#(= thr1Thread2of5ForFork0_~v~0 0), thr1Thread1of5ForFork0InUse, Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), thr1Thread2of5ForFork0InUse, thr1Thread3of5ForFork0InUse, 230#(= thr1Thread3of5ForFork0_~v~0 0), thr1Thread4of5ForFork0InUse, thr1Thread5of5ForFork0InUse, Black: 357#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 298#(= thr1Thread1of5ForFork0_~v~0 0), Black: 359#(and (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 2)) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= (+ thr1Thread1of5ForFork0_~v~0 2) ~value~0)), Black: 299#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 300#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 109#(= thr1Thread1of5ForFork0_~v~0 0), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), 49#thr1Err0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 108#(= ~value~0 0), 55#L724true]) [2021-03-25 23:01:58,978 INFO L384 tUnfolder$Statistics]: this new event has 39 ancestors and is cut-off event [2021-03-25 23:01:58,978 INFO L387 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2021-03-25 23:01:58,978 INFO L387 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2021-03-25 23:01:58,978 INFO L387 tUnfolder$Statistics]: existing Event has 39 ancestors and is cut-off event [2021-03-25 23:01:59,017 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([679] L717-1-->L719: Formula: (= 4294967295 (mod v_~value~0_2 4294967296)) InVars {~value~0=v_~value~0_2} OutVars{~value~0=v_~value~0_2} AuxVars[] AssignedVars[][62], [454#true, 73#L733-3true, 74#L723true, 11#thr1Err0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 457#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 458#(and (= thr1Thread2of5ForFork0_~v~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 459#(and (= thr1Thread1of5ForFork0_~v~0 0) (<= 1 ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 463#(and (= thr1Thread2of5ForFork0_~v~0 0) (= thr1Thread1of5ForFork0_~v~0 0) (<= 1 ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), 150#true, 24#L719true, 26#L724true, Black: 153#(= thr1Thread2of5ForFork0_~v~0 0), Black: 158#(and (= thr1Thread2of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread2of5ForFork0_~v~0 4294967296)) (<= (+ thr1Thread2of5ForFork0_~v~0 1) ~value~0)), thr1Thread1of5ForFork0InUse, thr1Thread2of5ForFork0InUse, 37#L719true, thr1Thread3of5ForFork0InUse, 230#(= thr1Thread3of5ForFork0_~v~0 0), thr1Thread4of5ForFork0InUse, Black: 357#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), thr1Thread5of5ForFork0InUse, Black: 359#(and (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 2)) (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1)) (<= (+ thr1Thread1of5ForFork0_~v~0 2) ~value~0)), 298#(= thr1Thread1of5ForFork0_~v~0 0), Black: 299#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= ~value~0 (+ thr1Thread1of5ForFork0_~v~0 1))), Black: 300#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) thr1Thread2of5ForFork0_~v~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= thr1Thread2of5ForFork0_~v~0 (+ thr1Thread1of5ForFork0_~v~0 1))), 109#(= thr1Thread1of5ForFork0_~v~0 0), Black: 235#(and (= thr1Thread3of5ForFork0_~v~0 0) (<= (+ thr1Thread3of5ForFork0_~v~0 1) ~value~0) (<= (div ~value~0 4294967296) (div thr1Thread3of5ForFork0_~v~0 4294967296))), Black: 112#(and (= ~value~0 0) (= thr1Thread1of5ForFork0_~v~0 0)), Black: 114#(and (<= (+ thr1Thread1of5ForFork0_~v~0 1) ~value~0) (= thr1Thread1of5ForFork0_~v~0 0) (<= (div ~value~0 4294967296) (div thr1Thread1of5ForFork0_~v~0 4294967296))), Black: 108#(= ~value~0 0)]) [2021-03-25 23:01:59,018 INFO L384 tUnfolder$Statistics]: this new event has 37 ancestors and is not cut-off event [2021-03-25 23:01:59,018 INFO L387 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2021-03-25 23:01:59,018 INFO L387 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2021-03-25 23:01:59,018 INFO L387 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2021-03-25 23:01:59,357 INFO L129 PetriNetUnfolder]: 7223/18407 cut-off events. [2021-03-25 23:01:59,358 INFO L130 PetriNetUnfolder]: For 72904/97103 co-relation queries the response was YES. [2021-03-25 23:01:59,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68104 conditions, 18407 events. 7223/18407 cut-off events. For 72904/97103 co-relation queries the response was YES. Maximal size of possible extension queue 2286. Compared 238760 event pairs, 3171 based on Foata normal form. 1293/17361 useless extension candidates. Maximal degree in co-relation 68061. Up to 6606 conditions per place. [2021-03-25 23:01:59,713 INFO L142 LiptonReduction]: Number of co-enabled transitions 7068 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown