/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 11:01:58,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 11:01:58,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 11:01:58,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 11:01:58,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 11:01:58,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 11:01:58,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 11:01:58,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 11:01:58,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 11:01:58,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 11:01:58,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 11:01:58,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 11:01:58,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 11:01:58,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 11:01:58,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 11:01:58,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 11:01:58,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 11:01:58,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 11:01:58,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 11:01:58,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 11:01:58,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 11:01:58,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 11:01:58,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 11:01:58,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 11:01:58,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 11:01:58,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 11:01:58,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 11:01:58,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 11:01:58,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 11:01:58,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 11:01:58,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 11:01:58,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 11:01:58,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 11:01:58,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 11:01:58,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 11:01:58,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 11:01:58,114 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 11:01:58,133 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 11:01:58,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 11:01:58,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 11:01:58,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 11:01:58,135 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 11:01:58,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 11:01:58,136 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 11:01:58,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 11:01:58,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 11:01:58,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 11:01:58,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 11:01:58,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 11:01:58,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 11:01:58,137 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 11:01:58,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 11:01:58,137 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 11:01:58,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 11:01:58,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 11:01:58,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 11:01:58,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 11:01:58,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 11:01:58,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 11:01:58,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 11:01:58,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 11:01:58,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 11:01:58,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 11:01:58,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 11:01:58,140 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 11:01:58,140 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 11:01:58,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 11:01:58,140 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 11:01:58,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 11:01:58,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 11:01:58,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 11:01:58,510 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 11:01:58,511 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 11:01:58,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2021-03-26 11:01:58,575 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2730ec7d9/047c44676c7b49bb8320221ceb4b18a0/FLAG9cf3cd668 [2021-03-26 11:01:59,136 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 11:01:59,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i [2021-03-26 11:01:59,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2730ec7d9/047c44676c7b49bb8320221ceb4b18a0/FLAG9cf3cd668 [2021-03-26 11:01:59,593 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2730ec7d9/047c44676c7b49bb8320221ceb4b18a0 [2021-03-26 11:01:59,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 11:01:59,596 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 11:01:59,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 11:01:59,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 11:01:59,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 11:01:59,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 11:01:59" (1/1) ... [2021-03-26 11:01:59,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ff87b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:01:59, skipping insertion in model container [2021-03-26 11:01:59,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 11:01:59" (1/1) ... [2021-03-26 11:01:59,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 11:01:59,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 11:01:59,774 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-26 11:02:00,189 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i[75009,75022] [2021-03-26 11:02:00,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 11:02:00,211 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 11:02:00,220 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-03-26 11:02:00,240 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i[75009,75022] [2021-03-26 11:02:00,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 11:02:00,495 INFO L208 MainTranslator]: Completed translation [2021-03-26 11:02:00,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:02:00 WrapperNode [2021-03-26 11:02:00,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 11:02:00,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 11:02:00,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 11:02:00,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 11:02:00,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:02:00" (1/1) ... [2021-03-26 11:02:00,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:02:00" (1/1) ... [2021-03-26 11:02:00,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 11:02:00,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 11:02:00,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 11:02:00,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 11:02:00,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:02:00" (1/1) ... [2021-03-26 11:02:00,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:02:00" (1/1) ... [2021-03-26 11:02:00,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:02:00" (1/1) ... [2021-03-26 11:02:00,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:02:00" (1/1) ... [2021-03-26 11:02:00,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:02:00" (1/1) ... [2021-03-26 11:02:00,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:02:00" (1/1) ... [2021-03-26 11:02:00,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:02:00" (1/1) ... [2021-03-26 11:02:00,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 11:02:00,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 11:02:00,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 11:02:00,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 11:02:00,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:02:00" (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 [2021-03-26 11:02:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 11:02:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 11:02:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 11:02:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-26 11:02:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-26 11:02:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 11:02:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 11:02:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-03-26 11:02:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-03-26 11:02:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 11:02:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 11:02:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 11:02:00,672 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 11:02:01,326 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 11:02:01,327 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-03-26 11:02:01,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 11:02:01 BoogieIcfgContainer [2021-03-26 11:02:01,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 11:02:01,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 11:02:01,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 11:02:01,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 11:02:01,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 11:01:59" (1/3) ... [2021-03-26 11:02:01,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ecc254e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 11:02:01, skipping insertion in model container [2021-03-26 11:02:01,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 11:02:00" (2/3) ... [2021-03-26 11:02:01,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ecc254e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 11:02:01, skipping insertion in model container [2021-03-26 11:02:01,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 11:02:01" (3/3) ... [2021-03-26 11:02:01,337 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i [2021-03-26 11:02:01,341 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 11:02:01,345 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-03-26 11:02:01,346 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 11:02:01,381 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,381 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,381 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,381 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,382 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,382 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,382 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,382 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,382 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,382 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,383 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,383 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,383 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,383 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,383 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,383 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,383 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,383 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,384 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,384 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,384 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,384 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,384 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,384 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,384 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,384 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,385 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,385 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,385 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,385 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,385 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,385 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,385 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,386 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,386 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,386 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,386 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,386 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,386 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,386 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,386 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,387 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,387 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,387 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,387 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,387 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,387 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,387 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,388 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,388 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,388 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,388 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,388 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,388 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,388 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,388 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,388 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,389 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,389 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,389 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,389 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,389 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,389 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,389 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,389 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,389 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,390 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,390 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,390 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,390 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,390 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,390 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,390 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,390 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,391 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,391 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,391 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,391 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,391 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,391 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,391 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,391 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,392 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,392 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,392 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,392 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,392 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,392 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,392 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,392 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,393 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,393 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,394 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,394 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,395 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,395 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,395 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,395 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,395 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,395 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,395 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,395 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,397 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,398 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,398 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,398 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,398 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,398 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~lb~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,398 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,399 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,399 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,399 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 11:02:01,405 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-26 11:02:01,420 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-03-26 11:02:01,437 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 11:02:01,437 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 11:02:01,437 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 11:02:01,437 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 11:02:01,437 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 11:02:01,438 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 11:02:01,438 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 11:02:01,438 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 11:02:01,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 156 transitions, 334 flow [2021-03-26 11:02:01,508 INFO L129 PetriNetUnfolder]: 11/196 cut-off events. [2021-03-26 11:02:01,509 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 11:02:01,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 196 events. 11/196 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 358 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 111. Up to 4 conditions per place. [2021-03-26 11:02:01,512 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 156 transitions, 334 flow [2021-03-26 11:02:01,517 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 144 transitions, 306 flow [2021-03-26 11:02:01,518 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:01,529 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 144 transitions, 306 flow [2021-03-26 11:02:01,531 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 144 transitions, 306 flow [2021-03-26 11:02:01,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 142 places, 144 transitions, 306 flow [2021-03-26 11:02:01,576 INFO L129 PetriNetUnfolder]: 8/177 cut-off events. [2021-03-26 11:02:01,576 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 11:02:01,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 177 events. 8/177 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 300 event pairs, 0 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 101. Up to 4 conditions per place. [2021-03-26 11:02:01,579 INFO L142 LiptonReduction]: Number of co-enabled transitions 1512 [2021-03-26 11:02:07,970 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2021-03-26 11:02:31,482 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-03-26 11:02:39,265 INFO L154 LiptonReduction]: Checked pairs total: 1692 [2021-03-26 11:02:39,265 INFO L156 LiptonReduction]: Total number of compositions: 113 [2021-03-26 11:02:39,267 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37750 [2021-03-26 11:02:39,274 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2021-03-26 11:02:39,274 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 11:02:39,274 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:02:39,275 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:02:39,275 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:02:39,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:02:39,279 INFO L82 PathProgramCache]: Analyzing trace with hash 2133033277, now seen corresponding path program 1 times [2021-03-26 11:02:39,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:02:39,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117171929] [2021-03-26 11:02:39,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:02:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:02:39,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:39,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:02:39,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:39,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:02:39,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:39,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:02:39,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:02:39,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:02:39,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:02:39,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117171929] [2021-03-26 11:02:39,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:02:39,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 11:02:39,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888604726] [2021-03-26 11:02:39,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 11:02:39,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:02:39,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 11:02:39,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 11:02:39,622 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 269 [2021-03-26 11:02:39,625 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 62 transitions, 142 flow. Second operand has 5 states, 5 states have (on average 142.2) internal successors, (711), 5 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:39,625 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:02:39,626 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 269 [2021-03-26 11:02:39,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:02:39,810 INFO L129 PetriNetUnfolder]: 170/350 cut-off events. [2021-03-26 11:02:39,810 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-26 11:02:39,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 689 conditions, 350 events. 170/350 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1489 event pairs, 165 based on Foata normal form. 1/321 useless extension candidates. Maximal degree in co-relation 587. Up to 315 conditions per place. [2021-03-26 11:02:39,816 INFO L132 encePairwiseOnDemand]: 257/269 looper letters, 28 selfloop transitions, 7 changer transitions 2/58 dead transitions. [2021-03-26 11:02:39,816 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 58 transitions, 208 flow [2021-03-26 11:02:39,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 11:02:39,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 11:02:39,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 747 transitions. [2021-03-26 11:02:39,835 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5553903345724907 [2021-03-26 11:02:39,836 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 747 transitions. [2021-03-26 11:02:39,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 747 transitions. [2021-03-26 11:02:39,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:02:39,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 747 transitions. [2021-03-26 11:02:39,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 149.4) internal successors, (747), 5 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:39,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 269.0) internal successors, (1614), 6 states have internal predecessors, (1614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:39,854 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 269.0) internal successors, (1614), 6 states have internal predecessors, (1614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:02:39,856 INFO L185 Difference]: Start difference. First operand has 61 places, 62 transitions, 142 flow. Second operand 5 states and 747 transitions. [2021-03-26 11:02:39,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 58 transitions, 208 flow [2021-03-26 11:02:39,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 58 transitions, 196 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 11:02:39,863 INFO L241 Difference]: Finished difference. Result has 58 places, 56 transitions, 144 flow [2021-03-26 11:02:39,864 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=144, PETRI_PLACES=58, PETRI_TRANSITIONS=56} [2021-03-26 11:02:39,865 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2021-03-26 11:02:39,865 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:02:39,865 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 56 transitions, 144 flow [2021-03-26 11:02:39,866 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 56 transitions, 144 flow [2021-03-26 11:02:39,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 56 transitions, 144 flow [2021-03-26 11:02:39,875 INFO L129 PetriNetUnfolder]: 4/84 cut-off events. [2021-03-26 11:02:39,875 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 11:02:39,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 84 events. 4/84 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 224 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 38. Up to 10 conditions per place. [2021-03-26 11:02:39,877 INFO L142 LiptonReduction]: Number of co-enabled transitions 252 [2021-03-26 11:02:44,880 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-03-26 11:02:45,435 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2021-03-26 11:02:45,664 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2021-03-26 11:02:50,825 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2021-03-26 11:03:03,662 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-03-26 11:03:03,918 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-03-26 11:03:04,015 INFO L154 LiptonReduction]: Checked pairs total: 768 [2021-03-26 11:03:04,015 INFO L156 LiptonReduction]: Total number of compositions: 26 [2021-03-26 11:03:04,016 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 24151 [2021-03-26 11:03:04,017 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 37 transitions, 106 flow [2021-03-26 11:03:04,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 142.2) internal successors, (711), 5 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:04,017 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:04,018 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:04,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 11:03:04,018 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:04,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:04,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1151715474, now seen corresponding path program 1 times [2021-03-26 11:03:04,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:04,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807277036] [2021-03-26 11:03:04,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:04,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:04,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:03:04,115 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:04,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:03:04,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:04,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:03:04,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:04,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:03:04,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:04,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807277036] [2021-03-26 11:03:04,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:04,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 11:03:04,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70075142] [2021-03-26 11:03:04,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 11:03:04,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:04,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 11:03:04,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 11:03:04,136 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 295 [2021-03-26 11:03:04,137 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 37 transitions, 106 flow. Second operand has 5 states, 5 states have (on average 146.6) internal successors, (733), 5 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:04,137 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:04,137 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 295 [2021-03-26 11:03:04,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:04,272 INFO L129 PetriNetUnfolder]: 171/331 cut-off events. [2021-03-26 11:03:04,272 INFO L130 PetriNetUnfolder]: For 50/54 co-relation queries the response was YES. [2021-03-26 11:03:04,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 712 conditions, 331 events. 171/331 cut-off events. For 50/54 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1421 event pairs, 93 based on Foata normal form. 0/302 useless extension candidates. Maximal degree in co-relation 658. Up to 182 conditions per place. [2021-03-26 11:03:04,276 INFO L132 encePairwiseOnDemand]: 283/295 looper letters, 25 selfloop transitions, 11 changer transitions 1/46 dead transitions. [2021-03-26 11:03:04,276 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 46 transitions, 197 flow [2021-03-26 11:03:04,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 11:03:04,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 11:03:04,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 763 transitions. [2021-03-26 11:03:04,279 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5172881355932203 [2021-03-26 11:03:04,279 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 763 transitions. [2021-03-26 11:03:04,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 763 transitions. [2021-03-26 11:03:04,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:04,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 763 transitions. [2021-03-26 11:03:04,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 152.6) internal successors, (763), 5 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:04,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 295.0) internal successors, (1770), 6 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:04,284 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 295.0) internal successors, (1770), 6 states have internal predecessors, (1770), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:04,284 INFO L185 Difference]: Start difference. First operand has 37 places, 37 transitions, 106 flow. Second operand 5 states and 763 transitions. [2021-03-26 11:03:04,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 46 transitions, 197 flow [2021-03-26 11:03:04,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 46 transitions, 190 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 11:03:04,286 INFO L241 Difference]: Finished difference. Result has 39 places, 38 transitions, 132 flow [2021-03-26 11:03:04,286 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=295, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=132, PETRI_PLACES=39, PETRI_TRANSITIONS=38} [2021-03-26 11:03:04,287 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -22 predicate places. [2021-03-26 11:03:04,287 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:04,287 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 38 transitions, 132 flow [2021-03-26 11:03:04,287 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 38 transitions, 132 flow [2021-03-26 11:03:04,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 38 transitions, 132 flow [2021-03-26 11:03:04,292 INFO L129 PetriNetUnfolder]: 5/63 cut-off events. [2021-03-26 11:03:04,292 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-26 11:03:04,293 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 63 events. 5/63 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 166 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 34. Up to 12 conditions per place. [2021-03-26 11:03:04,293 INFO L142 LiptonReduction]: Number of co-enabled transitions 158 [2021-03-26 11:03:04,405 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-03-26 11:03:04,690 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-03-26 11:03:04,820 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-03-26 11:03:04,932 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-03-26 11:03:05,045 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-03-26 11:03:05,154 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-03-26 11:03:05,735 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-26 11:03:05,900 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-03-26 11:03:06,420 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2021-03-26 11:03:06,652 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-03-26 11:03:07,562 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 162 [2021-03-26 11:03:07,936 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2021-03-26 11:03:08,825 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 169 [2021-03-26 11:03:09,259 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2021-03-26 11:03:09,264 INFO L154 LiptonReduction]: Checked pairs total: 516 [2021-03-26 11:03:09,264 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 11:03:09,265 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4978 [2021-03-26 11:03:09,266 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 34 transitions, 124 flow [2021-03-26 11:03:09,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 146.6) internal successors, (733), 5 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:09,266 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:09,266 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2021-03-26 11:03:09,266 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 11:03:09,267 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:09,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:09,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1328672246, now seen corresponding path program 1 times [2021-03-26 11:03:09,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:09,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347549694] [2021-03-26 11:03:09,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:09,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:09,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:03:09,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:09,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 11:03:09,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:09,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:03:09,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:09,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347549694] [2021-03-26 11:03:09,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:09,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 11:03:09,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885732666] [2021-03-26 11:03:09,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 11:03:09,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:09,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 11:03:09,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 11:03:09,335 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 302 [2021-03-26 11:03:09,336 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 34 transitions, 124 flow. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:09,336 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:09,336 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 302 [2021-03-26 11:03:09,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:09,454 INFO L129 PetriNetUnfolder]: 241/455 cut-off events. [2021-03-26 11:03:09,455 INFO L130 PetriNetUnfolder]: For 81/85 co-relation queries the response was YES. [2021-03-26 11:03:09,455 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 455 events. 241/455 cut-off events. For 81/85 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2053 event pairs, 94 based on Foata normal form. 0/430 useless extension candidates. Maximal degree in co-relation 514. Up to 340 conditions per place. [2021-03-26 11:03:09,457 INFO L132 encePairwiseOnDemand]: 294/302 looper letters, 27 selfloop transitions, 7 changer transitions 0/42 dead transitions. [2021-03-26 11:03:09,458 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 42 transitions, 211 flow [2021-03-26 11:03:09,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 11:03:09,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 11:03:09,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 540 transitions. [2021-03-26 11:03:09,460 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5960264900662252 [2021-03-26 11:03:09,460 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 540 transitions. [2021-03-26 11:03:09,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 540 transitions. [2021-03-26 11:03:09,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:09,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 540 transitions. [2021-03-26 11:03:09,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:09,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:09,463 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 302.0) internal successors, (1208), 4 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:09,464 INFO L185 Difference]: Start difference. First operand has 35 places, 34 transitions, 124 flow. Second operand 3 states and 540 transitions. [2021-03-26 11:03:09,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 42 transitions, 211 flow [2021-03-26 11:03:09,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 42 transitions, 196 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 11:03:09,466 INFO L241 Difference]: Finished difference. Result has 35 places, 37 transitions, 147 flow [2021-03-26 11:03:09,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=302, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=35, PETRI_TRANSITIONS=37} [2021-03-26 11:03:09,467 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -26 predicate places. [2021-03-26 11:03:09,467 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:09,467 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 37 transitions, 147 flow [2021-03-26 11:03:09,468 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 37 transitions, 147 flow [2021-03-26 11:03:09,468 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 37 transitions, 147 flow [2021-03-26 11:03:09,480 INFO L129 PetriNetUnfolder]: 31/134 cut-off events. [2021-03-26 11:03:09,480 INFO L130 PetriNetUnfolder]: For 48/56 co-relation queries the response was YES. [2021-03-26 11:03:09,482 INFO L84 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 134 events. 31/134 cut-off events. For 48/56 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 651 event pairs, 15 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 151. Up to 54 conditions per place. [2021-03-26 11:03:09,483 INFO L142 LiptonReduction]: Number of co-enabled transitions 168 [2021-03-26 11:03:19,152 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 167 DAG size of output: 165 [2021-03-26 11:03:20,035 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2021-03-26 11:03:21,497 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 175 DAG size of output: 173 [2021-03-26 11:03:22,314 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2021-03-26 11:03:22,344 INFO L154 LiptonReduction]: Checked pairs total: 271 [2021-03-26 11:03:22,344 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:03:22,344 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12877 [2021-03-26 11:03:22,345 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 35 transitions, 143 flow [2021-03-26 11:03:22,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:22,345 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:22,346 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-03-26 11:03:22,346 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 11:03:22,346 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:22,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:22,346 INFO L82 PathProgramCache]: Analyzing trace with hash 519069801, now seen corresponding path program 1 times [2021-03-26 11:03:22,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:22,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100393201] [2021-03-26 11:03:22,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:22,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:22,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:03:22,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:22,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 11:03:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:22,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100393201] [2021-03-26 11:03:22,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:22,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 11:03:22,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98705461] [2021-03-26 11:03:22,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 11:03:22,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:22,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 11:03:22,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 11:03:22,409 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 304 [2021-03-26 11:03:22,409 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 35 transitions, 143 flow. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:22,409 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:22,409 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 304 [2021-03-26 11:03:22,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:22,542 INFO L129 PetriNetUnfolder]: 268/507 cut-off events. [2021-03-26 11:03:22,542 INFO L130 PetriNetUnfolder]: For 316/320 co-relation queries the response was YES. [2021-03-26 11:03:22,543 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 507 events. 268/507 cut-off events. For 316/320 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2435 event pairs, 106 based on Foata normal form. 32/534 useless extension candidates. Maximal degree in co-relation 722. Up to 376 conditions per place. [2021-03-26 11:03:22,545 INFO L132 encePairwiseOnDemand]: 298/304 looper letters, 27 selfloop transitions, 9 changer transitions 4/47 dead transitions. [2021-03-26 11:03:22,546 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 47 transitions, 277 flow [2021-03-26 11:03:22,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 11:03:22,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 11:03:22,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 538 transitions. [2021-03-26 11:03:22,548 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5899122807017544 [2021-03-26 11:03:22,548 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 538 transitions. [2021-03-26 11:03:22,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 538 transitions. [2021-03-26 11:03:22,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:22,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 538 transitions. [2021-03-26 11:03:22,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:22,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:22,552 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:22,552 INFO L185 Difference]: Start difference. First operand has 33 places, 35 transitions, 143 flow. Second operand 3 states and 538 transitions. [2021-03-26 11:03:22,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 47 transitions, 277 flow [2021-03-26 11:03:22,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 47 transitions, 262 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-26 11:03:22,557 INFO L241 Difference]: Finished difference. Result has 35 places, 39 transitions, 191 flow [2021-03-26 11:03:22,557 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=304, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=191, PETRI_PLACES=35, PETRI_TRANSITIONS=39} [2021-03-26 11:03:22,557 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -26 predicate places. [2021-03-26 11:03:22,558 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:22,558 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 39 transitions, 191 flow [2021-03-26 11:03:22,558 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 39 transitions, 191 flow [2021-03-26 11:03:22,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 39 transitions, 191 flow [2021-03-26 11:03:22,576 INFO L129 PetriNetUnfolder]: 74/206 cut-off events. [2021-03-26 11:03:22,577 INFO L130 PetriNetUnfolder]: For 144/144 co-relation queries the response was YES. [2021-03-26 11:03:22,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 554 conditions, 206 events. 74/206 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1050 event pairs, 23 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 192. Up to 113 conditions per place. [2021-03-26 11:03:22,578 INFO L142 LiptonReduction]: Number of co-enabled transitions 148 [2021-03-26 11:03:27,157 INFO L154 LiptonReduction]: Checked pairs total: 421 [2021-03-26 11:03:27,158 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 11:03:27,158 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4600 [2021-03-26 11:03:27,159 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 38 transitions, 189 flow [2021-03-26 11:03:27,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:27,159 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:27,159 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:27,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 11:03:27,160 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:27,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:27,160 INFO L82 PathProgramCache]: Analyzing trace with hash 199267917, now seen corresponding path program 1 times [2021-03-26 11:03:27,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:27,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465167030] [2021-03-26 11:03:27,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:27,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:27,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:03:27,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:27,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 11:03:27,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:27,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:03:27,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:27,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465167030] [2021-03-26 11:03:27,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:27,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 11:03:27,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435577576] [2021-03-26 11:03:27,201 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 11:03:27,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:27,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 11:03:27,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 11:03:27,205 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 306 [2021-03-26 11:03:27,205 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 38 transitions, 189 flow. Second operand has 3 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:27,206 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:27,206 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 306 [2021-03-26 11:03:27,206 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:27,230 INFO L129 PetriNetUnfolder]: 6/41 cut-off events. [2021-03-26 11:03:27,230 INFO L130 PetriNetUnfolder]: For 39/47 co-relation queries the response was YES. [2021-03-26 11:03:27,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 41 events. 6/41 cut-off events. For 39/47 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 95 event pairs, 4 based on Foata normal form. 15/54 useless extension candidates. Maximal degree in co-relation 82. Up to 14 conditions per place. [2021-03-26 11:03:27,230 INFO L132 encePairwiseOnDemand]: 304/306 looper letters, 1 selfloop transitions, 1 changer transitions 0/21 dead transitions. [2021-03-26 11:03:27,230 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 21 transitions, 86 flow [2021-03-26 11:03:27,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 11:03:27,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 11:03:27,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 738 transitions. [2021-03-26 11:03:27,233 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.803921568627451 [2021-03-26 11:03:27,233 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 738 transitions. [2021-03-26 11:03:27,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 738 transitions. [2021-03-26 11:03:27,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:27,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 738 transitions. [2021-03-26 11:03:27,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:27,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 306.0) internal successors, (1224), 4 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:27,237 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 306.0) internal successors, (1224), 4 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:27,237 INFO L185 Difference]: Start difference. First operand has 34 places, 38 transitions, 189 flow. Second operand 3 states and 738 transitions. [2021-03-26 11:03:27,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 21 transitions, 86 flow [2021-03-26 11:03:27,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 21 transitions, 70 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-26 11:03:27,238 INFO L241 Difference]: Finished difference. Result has 26 places, 21 transitions, 68 flow [2021-03-26 11:03:27,238 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=26, PETRI_TRANSITIONS=21} [2021-03-26 11:03:27,238 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -35 predicate places. [2021-03-26 11:03:27,238 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:27,238 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 21 transitions, 68 flow [2021-03-26 11:03:27,239 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 21 transitions, 68 flow [2021-03-26 11:03:27,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 21 transitions, 68 flow [2021-03-26 11:03:27,243 INFO L129 PetriNetUnfolder]: 6/41 cut-off events. [2021-03-26 11:03:27,243 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 11:03:27,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 41 events. 6/41 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 101 event pairs, 4 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 47. Up to 14 conditions per place. [2021-03-26 11:03:27,243 INFO L142 LiptonReduction]: Number of co-enabled transitions 68 [2021-03-26 11:03:31,649 INFO L154 LiptonReduction]: Checked pairs total: 26 [2021-03-26 11:03:31,650 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:31,650 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4412 [2021-03-26 11:03:31,650 INFO L480 AbstractCegarLoop]: Abstraction has has 25 places, 21 transitions, 68 flow [2021-03-26 11:03:31,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 246.0) internal successors, (738), 3 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:31,651 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:31,651 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:31,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 11:03:31,651 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:31,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:31,652 INFO L82 PathProgramCache]: Analyzing trace with hash 923373155, now seen corresponding path program 1 times [2021-03-26 11:03:31,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:31,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794327172] [2021-03-26 11:03:31,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:31,760 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:03:31,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:31,771 INFO L142 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size [2021-03-26 11:03:31,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 11:03:31,784 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-03-26 11:03:31,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 11:03:31,791 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-03-26 11:03:31,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 11:03:31,801 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:03:31,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:31,812 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:03:31,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:31,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:31,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794327172] [2021-03-26 11:03:31,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:31,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 11:03:31,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678662952] [2021-03-26 11:03:31,816 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 11:03:31,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:31,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 11:03:31,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-26 11:03:31,818 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 306 [2021-03-26 11:03:31,819 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 21 transitions, 68 flow. Second operand has 6 states, 6 states have (on average 147.16666666666666) internal successors, (883), 6 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:31,819 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:31,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 306 [2021-03-26 11:03:31,819 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:32,094 INFO L129 PetriNetUnfolder]: 77/195 cut-off events. [2021-03-26 11:03:32,094 INFO L130 PetriNetUnfolder]: For 76/76 co-relation queries the response was YES. [2021-03-26 11:03:32,095 INFO L84 FinitePrefix]: Finished finitePrefix Result has 480 conditions, 195 events. 77/195 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 808 event pairs, 14 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 195. Up to 67 conditions per place. [2021-03-26 11:03:32,096 INFO L132 encePairwiseOnDemand]: 297/306 looper letters, 24 selfloop transitions, 18 changer transitions 0/47 dead transitions. [2021-03-26 11:03:32,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 47 transitions, 232 flow [2021-03-26 11:03:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 11:03:32,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 11:03:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1058 transitions. [2021-03-26 11:03:32,099 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4939309056956116 [2021-03-26 11:03:32,099 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1058 transitions. [2021-03-26 11:03:32,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1058 transitions. [2021-03-26 11:03:32,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:32,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1058 transitions. [2021-03-26 11:03:32,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 151.14285714285714) internal successors, (1058), 7 states have internal predecessors, (1058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:32,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 306.0) internal successors, (2448), 8 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:32,106 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 306.0) internal successors, (2448), 8 states have internal predecessors, (2448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:32,106 INFO L185 Difference]: Start difference. First operand has 25 places, 21 transitions, 68 flow. Second operand 7 states and 1058 transitions. [2021-03-26 11:03:32,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 47 transitions, 232 flow [2021-03-26 11:03:32,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 47 transitions, 229 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 11:03:32,108 INFO L241 Difference]: Finished difference. Result has 32 places, 34 transitions, 177 flow [2021-03-26 11:03:32,108 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=177, PETRI_PLACES=32, PETRI_TRANSITIONS=34} [2021-03-26 11:03:32,108 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -29 predicate places. [2021-03-26 11:03:32,109 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:32,109 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 34 transitions, 177 flow [2021-03-26 11:03:32,109 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 34 transitions, 177 flow [2021-03-26 11:03:32,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 34 transitions, 177 flow [2021-03-26 11:03:32,118 INFO L129 PetriNetUnfolder]: 24/108 cut-off events. [2021-03-26 11:03:32,118 INFO L130 PetriNetUnfolder]: For 82/84 co-relation queries the response was YES. [2021-03-26 11:03:32,118 INFO L84 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 108 events. 24/108 cut-off events. For 82/84 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 460 event pairs, 4 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 65. Up to 40 conditions per place. [2021-03-26 11:03:32,119 INFO L142 LiptonReduction]: Number of co-enabled transitions 86 [2021-03-26 11:03:32,141 INFO L154 LiptonReduction]: Checked pairs total: 77 [2021-03-26 11:03:32,141 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:32,141 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-03-26 11:03:32,144 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 34 transitions, 177 flow [2021-03-26 11:03:32,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 147.16666666666666) internal successors, (883), 6 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:32,144 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:32,144 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:32,144 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 11:03:32,145 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:32,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:32,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1723437535, now seen corresponding path program 1 times [2021-03-26 11:03:32,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:32,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338522353] [2021-03-26 11:03:32,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:32,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:32,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 11:03:32,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:32,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-26 11:03:32,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:32,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 11:03:32,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:32,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:03:32,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:32,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:03:32,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:32,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338522353] [2021-03-26 11:03:32,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:32,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 11:03:32,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817150452] [2021-03-26 11:03:32,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 11:03:32,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:32,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 11:03:32,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-26 11:03:32,253 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 306 [2021-03-26 11:03:32,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 34 transitions, 177 flow. Second operand has 5 states, 5 states have (on average 174.8) internal successors, (874), 5 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:32,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:32,254 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 306 [2021-03-26 11:03:32,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:32,385 INFO L129 PetriNetUnfolder]: 93/228 cut-off events. [2021-03-26 11:03:32,385 INFO L130 PetriNetUnfolder]: For 247/247 co-relation queries the response was YES. [2021-03-26 11:03:32,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 727 conditions, 228 events. 93/228 cut-off events. For 247/247 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 930 event pairs, 64 based on Foata normal form. 7/233 useless extension candidates. Maximal degree in co-relation 279. Up to 187 conditions per place. [2021-03-26 11:03:32,387 INFO L132 encePairwiseOnDemand]: 298/306 looper letters, 39 selfloop transitions, 11 changer transitions 0/52 dead transitions. [2021-03-26 11:03:32,387 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 52 transitions, 390 flow [2021-03-26 11:03:32,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 11:03:32,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 11:03:32,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1067 transitions. [2021-03-26 11:03:32,390 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5811546840958606 [2021-03-26 11:03:32,390 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1067 transitions. [2021-03-26 11:03:32,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1067 transitions. [2021-03-26 11:03:32,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:32,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1067 transitions. [2021-03-26 11:03:32,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 177.83333333333334) internal successors, (1067), 6 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:32,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 306.0) internal successors, (2142), 7 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:32,396 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 306.0) internal successors, (2142), 7 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:32,396 INFO L185 Difference]: Start difference. First operand has 32 places, 34 transitions, 177 flow. Second operand 6 states and 1067 transitions. [2021-03-26 11:03:32,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 52 transitions, 390 flow [2021-03-26 11:03:32,398 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 52 transitions, 367 flow, removed 9 selfloop flow, removed 1 redundant places. [2021-03-26 11:03:32,400 INFO L241 Difference]: Finished difference. Result has 39 places, 44 transitions, 282 flow [2021-03-26 11:03:32,400 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=282, PETRI_PLACES=39, PETRI_TRANSITIONS=44} [2021-03-26 11:03:32,401 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -22 predicate places. [2021-03-26 11:03:32,401 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:32,401 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 44 transitions, 282 flow [2021-03-26 11:03:32,401 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 44 transitions, 282 flow [2021-03-26 11:03:32,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 44 transitions, 282 flow [2021-03-26 11:03:32,411 INFO L129 PetriNetUnfolder]: 25/116 cut-off events. [2021-03-26 11:03:32,411 INFO L130 PetriNetUnfolder]: For 140/141 co-relation queries the response was YES. [2021-03-26 11:03:32,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 116 events. 25/116 cut-off events. For 140/141 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 530 event pairs, 5 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 264. Up to 37 conditions per place. [2021-03-26 11:03:32,412 INFO L142 LiptonReduction]: Number of co-enabled transitions 84 [2021-03-26 11:03:32,417 INFO L154 LiptonReduction]: Checked pairs total: 140 [2021-03-26 11:03:32,417 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:32,417 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-03-26 11:03:32,417 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 44 transitions, 282 flow [2021-03-26 11:03:32,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 174.8) internal successors, (874), 5 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:32,418 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:32,418 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:32,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 11:03:32,419 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:32,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:32,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1431458119, now seen corresponding path program 1 times [2021-03-26 11:03:32,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:32,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552996526] [2021-03-26 11:03:32,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:32,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:32,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 11:03:32,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:32,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 11:03:32,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:32,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 11:03:32,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:32,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:32,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:32,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 11:03:32,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 11:03:32,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 11:03:32,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:32,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552996526] [2021-03-26 11:03:32,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:32,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 11:03:32,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596309765] [2021-03-26 11:03:32,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 11:03:32,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:32,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 11:03:32,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-26 11:03:32,555 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 306 [2021-03-26 11:03:32,556 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 44 transitions, 282 flow. Second operand has 6 states, 6 states have (on average 154.33333333333334) internal successors, (926), 6 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:32,556 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:32,556 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 306 [2021-03-26 11:03:32,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:32,819 INFO L129 PetriNetUnfolder]: 76/196 cut-off events. [2021-03-26 11:03:32,819 INFO L130 PetriNetUnfolder]: For 272/272 co-relation queries the response was YES. [2021-03-26 11:03:32,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 677 conditions, 196 events. 76/196 cut-off events. For 272/272 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 778 event pairs, 8 based on Foata normal form. 10/205 useless extension candidates. Maximal degree in co-relation 606. Up to 82 conditions per place. [2021-03-26 11:03:32,820 INFO L132 encePairwiseOnDemand]: 299/306 looper letters, 49 selfloop transitions, 21 changer transitions 0/72 dead transitions. [2021-03-26 11:03:32,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 72 transitions, 564 flow [2021-03-26 11:03:32,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 11:03:32,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 11:03:32,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1263 transitions. [2021-03-26 11:03:32,824 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5159313725490197 [2021-03-26 11:03:32,824 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1263 transitions. [2021-03-26 11:03:32,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1263 transitions. [2021-03-26 11:03:32,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:32,825 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1263 transitions. [2021-03-26 11:03:32,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 157.875) internal successors, (1263), 8 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:32,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 306.0) internal successors, (2754), 9 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:32,830 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 306.0) internal successors, (2754), 9 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:32,830 INFO L185 Difference]: Start difference. First operand has 39 places, 44 transitions, 282 flow. Second operand 8 states and 1263 transitions. [2021-03-26 11:03:32,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 72 transitions, 564 flow [2021-03-26 11:03:32,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 72 transitions, 546 flow, removed 9 selfloop flow, removed 0 redundant places. [2021-03-26 11:03:32,834 INFO L241 Difference]: Finished difference. Result has 52 places, 53 transitions, 406 flow [2021-03-26 11:03:32,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=406, PETRI_PLACES=52, PETRI_TRANSITIONS=53} [2021-03-26 11:03:32,835 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -9 predicate places. [2021-03-26 11:03:32,835 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:32,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 53 transitions, 406 flow [2021-03-26 11:03:32,835 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 53 transitions, 406 flow [2021-03-26 11:03:32,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 53 transitions, 406 flow [2021-03-26 11:03:32,846 INFO L129 PetriNetUnfolder]: 27/121 cut-off events. [2021-03-26 11:03:32,846 INFO L130 PetriNetUnfolder]: For 244/246 co-relation queries the response was YES. [2021-03-26 11:03:32,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 121 events. 27/121 cut-off events. For 244/246 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 517 event pairs, 3 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 240. Up to 34 conditions per place. [2021-03-26 11:03:32,847 INFO L142 LiptonReduction]: Number of co-enabled transitions 72 [2021-03-26 11:03:32,880 INFO L154 LiptonReduction]: Checked pairs total: 202 [2021-03-26 11:03:32,880 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:32,880 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-26 11:03:32,881 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 53 transitions, 406 flow [2021-03-26 11:03:32,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 154.33333333333334) internal successors, (926), 6 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:32,881 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:32,881 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:32,882 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 11:03:32,882 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:32,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:32,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1988800215, now seen corresponding path program 2 times [2021-03-26 11:03:32,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:32,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834943576] [2021-03-26 11:03:32,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:33,001 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:03:33,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:33,013 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-03-26 11:03:33,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 11:03:33,029 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-03-26 11:03:33,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 11:03:33,047 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-03-26 11:03:33,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-26 11:03:33,057 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.9 percent of original size [2021-03-26 11:03:33,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 11:03:33,080 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-26 11:03:33,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-26 11:03:33,103 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:03:33,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:33,121 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 11:03:33,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:33,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:33,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834943576] [2021-03-26 11:03:33,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:33,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 11:03:33,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109867069] [2021-03-26 11:03:33,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 11:03:33,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:33,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 11:03:33,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-26 11:03:33,128 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 306 [2021-03-26 11:03:33,129 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 53 transitions, 406 flow. Second operand has 8 states, 8 states have (on average 142.75) internal successors, (1142), 8 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:33,129 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:33,129 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 306 [2021-03-26 11:03:33,130 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:33,482 INFO L129 PetriNetUnfolder]: 101/281 cut-off events. [2021-03-26 11:03:33,483 INFO L130 PetriNetUnfolder]: For 680/680 co-relation queries the response was YES. [2021-03-26 11:03:33,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1109 conditions, 281 events. 101/281 cut-off events. For 680/680 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1402 event pairs, 22 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 1019. Up to 110 conditions per place. [2021-03-26 11:03:33,485 INFO L132 encePairwiseOnDemand]: 299/306 looper letters, 53 selfloop transitions, 23 changer transitions 0/80 dead transitions. [2021-03-26 11:03:33,485 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 80 transitions, 744 flow [2021-03-26 11:03:33,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 11:03:33,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 11:03:33,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 882 transitions. [2021-03-26 11:03:33,488 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4803921568627451 [2021-03-26 11:03:33,488 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 882 transitions. [2021-03-26 11:03:33,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 882 transitions. [2021-03-26 11:03:33,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:33,488 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 882 transitions. [2021-03-26 11:03:33,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:33,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 306.0) internal successors, (2142), 7 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:33,494 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 306.0) internal successors, (2142), 7 states have internal predecessors, (2142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:33,494 INFO L185 Difference]: Start difference. First operand has 52 places, 53 transitions, 406 flow. Second operand 6 states and 882 transitions. [2021-03-26 11:03:33,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 80 transitions, 744 flow [2021-03-26 11:03:33,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 80 transitions, 724 flow, removed 10 selfloop flow, removed 0 redundant places. [2021-03-26 11:03:33,499 INFO L241 Difference]: Finished difference. Result has 58 places, 61 transitions, 533 flow [2021-03-26 11:03:33,499 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=533, PETRI_PLACES=58, PETRI_TRANSITIONS=61} [2021-03-26 11:03:33,499 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2021-03-26 11:03:33,499 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:33,500 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 61 transitions, 533 flow [2021-03-26 11:03:33,500 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 61 transitions, 533 flow [2021-03-26 11:03:33,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 61 transitions, 533 flow [2021-03-26 11:03:33,516 INFO L129 PetriNetUnfolder]: 36/164 cut-off events. [2021-03-26 11:03:33,516 INFO L130 PetriNetUnfolder]: For 433/433 co-relation queries the response was YES. [2021-03-26 11:03:33,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 593 conditions, 164 events. 36/164 cut-off events. For 433/433 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 875 event pairs, 6 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 390. Up to 40 conditions per place. [2021-03-26 11:03:33,517 INFO L142 LiptonReduction]: Number of co-enabled transitions 86 [2021-03-26 11:03:33,565 INFO L154 LiptonReduction]: Checked pairs total: 270 [2021-03-26 11:03:33,565 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:33,565 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66 [2021-03-26 11:03:33,565 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 61 transitions, 533 flow [2021-03-26 11:03:33,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 142.75) internal successors, (1142), 8 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:33,566 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:33,566 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:33,566 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 11:03:33,566 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:33,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:33,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1603933597, now seen corresponding path program 3 times [2021-03-26 11:03:33,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:33,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753128290] [2021-03-26 11:03:33,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 11:03:33,685 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:03:33,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:33,696 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-26 11:03:33,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 11:03:33,708 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-26 11:03:33,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 11:03:33,726 INFO L142 QuantifierPusher]: treesize reduction 18, result has 64.0 percent of original size [2021-03-26 11:03:33,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 11:03:33,747 INFO L142 QuantifierPusher]: treesize reduction 18, result has 68.4 percent of original size [2021-03-26 11:03:33,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 11:03:33,756 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.1 percent of original size [2021-03-26 11:03:33,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 11:03:33,774 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:03:33,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:33,791 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 11:03:33,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 11:03:33,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 11:03:33,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753128290] [2021-03-26 11:03:33,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 11:03:33,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 11:03:33,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497166891] [2021-03-26 11:03:33,793 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 11:03:33,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 11:03:33,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 11:03:33,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-26 11:03:33,795 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 306 [2021-03-26 11:03:33,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 61 transitions, 533 flow. Second operand has 8 states, 8 states have (on average 142.75) internal successors, (1142), 8 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:33,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 11:03:33,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 306 [2021-03-26 11:03:33,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 11:03:34,188 INFO L129 PetriNetUnfolder]: 116/321 cut-off events. [2021-03-26 11:03:34,189 INFO L130 PetriNetUnfolder]: For 980/980 co-relation queries the response was YES. [2021-03-26 11:03:34,190 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1315 conditions, 321 events. 116/321 cut-off events. For 980/980 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1704 event pairs, 20 based on Foata normal form. 0/319 useless extension candidates. Maximal degree in co-relation 1225. Up to 109 conditions per place. [2021-03-26 11:03:34,191 INFO L132 encePairwiseOnDemand]: 298/306 looper letters, 58 selfloop transitions, 37 changer transitions 0/99 dead transitions. [2021-03-26 11:03:34,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 99 transitions, 957 flow [2021-03-26 11:03:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 11:03:34,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 11:03:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1180 transitions. [2021-03-26 11:03:34,195 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4820261437908497 [2021-03-26 11:03:34,195 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1180 transitions. [2021-03-26 11:03:34,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1180 transitions. [2021-03-26 11:03:34,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 11:03:34,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1180 transitions. [2021-03-26 11:03:34,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 147.5) internal successors, (1180), 8 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:34,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 306.0) internal successors, (2754), 9 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:34,201 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 306.0) internal successors, (2754), 9 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:34,201 INFO L185 Difference]: Start difference. First operand has 58 places, 61 transitions, 533 flow. Second operand 8 states and 1180 transitions. [2021-03-26 11:03:34,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 99 transitions, 957 flow [2021-03-26 11:03:34,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 99 transitions, 926 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-26 11:03:34,207 INFO L241 Difference]: Finished difference. Result has 66 places, 76 transitions, 756 flow [2021-03-26 11:03:34,207 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=306, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=756, PETRI_PLACES=66, PETRI_TRANSITIONS=76} [2021-03-26 11:03:34,207 INFO L343 CegarLoopForPetriNet]: 61 programPoint places, 5 predicate places. [2021-03-26 11:03:34,207 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 11:03:34,207 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 76 transitions, 756 flow [2021-03-26 11:03:34,208 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 76 transitions, 756 flow [2021-03-26 11:03:34,208 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 76 transitions, 756 flow [2021-03-26 11:03:34,226 INFO L129 PetriNetUnfolder]: 38/179 cut-off events. [2021-03-26 11:03:34,226 INFO L130 PetriNetUnfolder]: For 665/668 co-relation queries the response was YES. [2021-03-26 11:03:34,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 179 events. 38/179 cut-off events. For 665/668 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1025 event pairs, 4 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 471. Up to 41 conditions per place. [2021-03-26 11:03:34,228 INFO L142 LiptonReduction]: Number of co-enabled transitions 114 [2021-03-26 11:03:34,299 INFO L154 LiptonReduction]: Checked pairs total: 486 [2021-03-26 11:03:34,299 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 11:03:34,299 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 92 [2021-03-26 11:03:34,300 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 76 transitions, 756 flow [2021-03-26 11:03:34,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 142.75) internal successors, (1142), 8 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 11:03:34,300 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 11:03:34,300 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 11:03:34,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 11:03:34,301 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 11:03:34,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 11:03:34,301 INFO L82 PathProgramCache]: Analyzing trace with hash 607125571, now seen corresponding path program 1 times [2021-03-26 11:03:34,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 11:03:34,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817715065] [2021-03-26 11:03:34,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 11:03:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 11:03:34,346 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 11:03:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 11:03:34,380 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 11:03:34,419 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 11:03:34,419 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 11:03:34,419 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 11:03:34,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 11:03:34 BasicIcfg [2021-03-26 11:03:34,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 11:03:34,507 INFO L168 Benchmark]: Toolchain (without parser) took 94910.57 ms. Allocated memory was 356.5 MB in the beginning and 446.7 MB in the end (delta: 90.2 MB). Free memory was 317.5 MB in the beginning and 416.8 MB in the end (delta: -99.3 MB). Peak memory consumption was 244.1 MB. Max. memory is 16.0 GB. [2021-03-26 11:03:34,507 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 356.5 MB. Free memory is still 337.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 11:03:34,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 898.11 ms. Allocated memory is still 356.5 MB. Free memory was 317.4 MB in the beginning and 306.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 80.8 MB. Max. memory is 16.0 GB. [2021-03-26 11:03:34,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.17 ms. Allocated memory is still 356.5 MB. Free memory was 306.3 MB in the beginning and 303.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 11:03:34,508 INFO L168 Benchmark]: Boogie Preprocessor took 38.76 ms. Allocated memory is still 356.5 MB. Free memory was 303.2 MB in the beginning and 300.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 11:03:34,508 INFO L168 Benchmark]: RCFGBuilder took 731.20 ms. Allocated memory is still 356.5 MB. Free memory was 300.0 MB in the beginning and 251.8 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-03-26 11:03:34,508 INFO L168 Benchmark]: TraceAbstraction took 93175.36 ms. Allocated memory was 356.5 MB in the beginning and 446.7 MB in the end (delta: 90.2 MB). Free memory was 251.8 MB in the beginning and 416.8 MB in the end (delta: -165.0 MB). Peak memory consumption was 178.9 MB. Max. memory is 16.0 GB. [2021-03-26 11:03:34,509 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 356.5 MB. Free memory is still 337.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 898.11 ms. Allocated memory is still 356.5 MB. Free memory was 317.4 MB in the beginning and 306.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 80.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 60.17 ms. Allocated memory is still 356.5 MB. Free memory was 306.3 MB in the beginning and 303.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 38.76 ms. Allocated memory is still 356.5 MB. Free memory was 303.2 MB in the beginning and 300.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 731.20 ms. Allocated memory is still 356.5 MB. Free memory was 300.0 MB in the beginning and 251.8 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 93175.36 ms. Allocated memory was 356.5 MB in the beginning and 446.7 MB in the end (delta: 90.2 MB). Free memory was 251.8 MB in the beginning and 416.8 MB in the end (delta: -165.0 MB). Peak memory consumption was 178.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 37733.6ms, 142 PlacesBefore, 61 PlacesAfterwards, 144 TransitionsBefore, 62 TransitionsAfterwards, 1512 CoEnabledTransitionPairs, 4 FixpointIterations, 63 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 113 TotalNumberOfCompositions, 1692 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 951, positive: 902, positive conditional: 902, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 951, positive: 902, positive conditional: 0, positive unconditional: 902, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 951, positive: 902, positive conditional: 0, positive unconditional: 902, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 861, positive: 834, positive conditional: 0, positive unconditional: 834, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 861, positive: 834, positive conditional: 0, positive unconditional: 834, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34523, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 546, negative conditional: 0, negative unconditional: 546, unknown: 33977, unknown conditional: 0, unknown unconditional: 33977] ], Cache Queries: [ total: 951, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 861, unknown conditional: 0, unknown unconditional: 861] , Statistics on independence cache: Total cache size (in pairs): 861, Positive cache size: 834, Positive conditional cache size: 0, Positive unconditional cache size: 834, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 24149.3ms, 58 PlacesBefore, 37 PlacesAfterwards, 56 TransitionsBefore, 37 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 4 FixpointIterations, 20 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 26 TotalNumberOfCompositions, 768 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 187, positive: 124, positive conditional: 124, positive unconditional: 0, negative: 63, negative conditional: 63, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 187, positive: 124, positive conditional: 2, positive unconditional: 122, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 187, positive: 124, positive conditional: 2, positive unconditional: 122, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 101, positive: 78, positive conditional: 1, positive unconditional: 77, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 101, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21303, positive: 220, positive conditional: 0, positive unconditional: 220, negative: 423, negative conditional: 0, negative unconditional: 423, unknown: 20660, unknown conditional: 0, unknown unconditional: 20660] ], Cache Queries: [ total: 187, positive: 46, positive conditional: 1, positive unconditional: 45, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 101, unknown conditional: 1, unknown unconditional: 100] , Statistics on independence cache: Total cache size (in pairs): 962, Positive cache size: 912, Positive conditional cache size: 1, Positive unconditional cache size: 911, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4977.3ms, 39 PlacesBefore, 35 PlacesAfterwards, 38 TransitionsBefore, 34 TransitionsAfterwards, 158 CoEnabledTransitionPairs, 3 FixpointIterations, 7 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 516 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 109, positive: 59, positive conditional: 59, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 109, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 109, positive: 59, positive conditional: 0, positive unconditional: 59, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 109, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 971, Positive cache size: 917, Positive conditional cache size: 1, Positive unconditional cache size: 916, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54, Eliminated conditions: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12876.1ms, 35 PlacesBefore, 33 PlacesAfterwards, 37 TransitionsBefore, 35 TransitionsAfterwards, 168 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 271 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 64, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 26, negative conditional: 14, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 64, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 26, negative conditional: 14, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 12, negative conditional: 4, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7469, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 253, negative conditional: 14, negative unconditional: 239, unknown: 7216, unknown conditional: 7216, unknown unconditional: 0] ], Cache Queries: [ total: 64, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 14, negative conditional: 10, negative unconditional: 4, unknown: 15, unknown conditional: 4, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 986, Positive cache size: 920, Positive conditional cache size: 1, Positive unconditional cache size: 919, Negative cache size: 66, Negative conditional cache size: 4, Negative unconditional cache size: 62, Eliminated conditions: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4599.9ms, 35 PlacesBefore, 34 PlacesAfterwards, 39 TransitionsBefore, 38 TransitionsAfterwards, 148 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 421 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 112, positive: 88, positive conditional: 88, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 112, positive: 88, positive conditional: 0, positive unconditional: 88, negative: 24, negative conditional: 6, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 112, positive: 88, positive conditional: 0, positive unconditional: 88, negative: 24, negative conditional: 6, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4384, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 187, negative conditional: 20, negative unconditional: 166, unknown: 4198, unknown conditional: 0, unknown unconditional: 4198] ], Cache Queries: [ total: 112, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 20, negative conditional: 4, negative unconditional: 16, unknown: 10, unknown conditional: 2, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 996, Positive cache size: 926, Positive conditional cache size: 1, Positive unconditional cache size: 925, Negative cache size: 70, Negative conditional cache size: 6, Negative unconditional cache size: 64, Eliminated conditions: 24 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4410.8ms, 26 PlacesBefore, 25 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 26 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4405, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 148, negative conditional: 0, negative unconditional: 148, unknown: 4257, unknown conditional: 0, unknown unconditional: 4257] ], Cache Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 998, Positive cache size: 926, Positive conditional cache size: 1, Positive unconditional cache size: 925, Negative cache size: 72, Negative conditional cache size: 6, Negative unconditional cache size: 66, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.1ms, 32 PlacesBefore, 32 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 86 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 77 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23, positive: 16, positive conditional: 8, positive unconditional: 8, negative: 7, negative conditional: 4, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23, positive: 16, positive conditional: 8, positive unconditional: 8, negative: 7, negative conditional: 4, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23, positive: 16, positive conditional: 8, positive unconditional: 8, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1000, Positive cache size: 926, Positive conditional cache size: 1, Positive unconditional cache size: 925, Negative cache size: 74, Negative conditional cache size: 8, Negative unconditional cache size: 66, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 15.6ms, 39 PlacesBefore, 39 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 140 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27, positive: 14, positive conditional: 7, positive unconditional: 7, negative: 13, negative conditional: 7, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27, positive: 14, positive conditional: 7, positive unconditional: 7, negative: 13, negative conditional: 7, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 27, positive: 14, positive conditional: 7, positive unconditional: 7, negative: 13, negative conditional: 7, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1000, Positive cache size: 926, Positive conditional cache size: 1, Positive unconditional cache size: 925, Negative cache size: 74, Negative conditional cache size: 8, Negative unconditional cache size: 66, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 45.2ms, 52 PlacesBefore, 52 PlacesAfterwards, 53 TransitionsBefore, 53 TransitionsAfterwards, 72 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 202 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 30, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 28, negative conditional: 22, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 17, negative conditional: 8, negative unconditional: 9, unknown: 3, unknown conditional: 2, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1003, Positive cache size: 926, Positive conditional cache size: 1, Positive unconditional cache size: 925, Negative cache size: 77, Negative conditional cache size: 10, Negative unconditional cache size: 67, Eliminated conditions: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 65.2ms, 58 PlacesBefore, 58 PlacesAfterwards, 61 TransitionsBefore, 61 TransitionsAfterwards, 86 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 270 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 46, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 34, negative conditional: 22, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 46, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 34, negative conditional: 22, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 46, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 32, negative conditional: 20, negative unconditional: 12, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1007, Positive cache size: 928, Positive conditional cache size: 3, Positive unconditional cache size: 925, Negative cache size: 79, Negative conditional cache size: 12, Negative unconditional cache size: 67, Eliminated conditions: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 91.4ms, 66 PlacesBefore, 66 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 114 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 486 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 32, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 32, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 5, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 5, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 59, negative conditional: 46, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 47, negative conditional: 27, negative unconditional: 20, unknown: 7, unknown conditional: 5, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1014, Positive cache size: 928, Positive conditional cache size: 3, Positive unconditional cache size: 925, Negative cache size: 86, Negative conditional cache size: 17, Negative unconditional cache size: 69, Eliminated conditions: 22 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; [L1688] 0 struct device *my_dev; [L1727] 0 return 0; [L1733] 0 int ret = my_drv_init(); [L1734] COND TRUE 0 ret==0 [L1735] 0 int probe_ret; [L1736] 0 struct my_data data; [L1705] 0 data->shared.a = 0 [L1706] 0 data->shared.b = 0 [L1707] 0 data->shared.a [L1675] COND FALSE 0 !(!expression) [L1708] 0 data->shared.b [L1675] COND FALSE 0 !(!expression) [L1709] 0 int res = __VERIFIER_nondet_int(); [L1710] COND FALSE 0 !(\read(res)) [L1712] 0 my_dev = &data->dev [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={5:24}, t1={9:0}, t2={7:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, ((void *)0)) VAL [arg={0:0}, my_dev={5:24}, t1={9:0}, t2={7:0}] [L1715] 0 return 0; [L1737] 0 probe_ret = my_drv_probe(&data) [L1738] COND TRUE 0 probe_ret==0 [L1721] 0 void *status; [L1722] 0 \read(t1) VAL [arg={0:0}, my_dev={5:24}, t1={9:0}, t2={7:0}] [L1690] 1 struct my_data *data; [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 1 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, my_dev={5:24}, t1={9:0}, t2={7:0}] [L1696] EXPR 1 data->shared.b [L1696] 1 int lb = data->shared.b; [L1690] 2 struct my_data *data; [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) [L1693] 2 data->shared.a = 1 VAL [__mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={9:0}, t2={7:0}] [L1696] EXPR 2 data->shared.b [L1696] 2 int lb = data->shared.b; [L1699] 1 data->shared.b = lb + 1 [L1701] 1 return 0; [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={9:0}, t2={7:0}] [L1699] 2 data->shared.b = lb + 1 [L1701] 2 return 0; [L1723] 0 \read(t2) VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={9:0}, t2={7:0}] [L1723] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={9:0}, t2={7:0}] [L1740] 0 data.shared.a [L1675] COND FALSE 0 !(!expression) [L1741] 0 data.shared.b [L1675] COND TRUE 0 !expression [L1675] 0 reach_error() VAL [\result={0:0}, __mptr={5:24}, arg={0:0}, arg={0:0}, data={5:0}, lb=0, my_dev={5:24}, t1={9:0}, t2={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 136 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 92986.2ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2236.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 37834.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 139 SDtfs, 176 SDslu, 68 SDs, 0 SdLazy, 700 SolverSat, 91 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 974.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 11 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 715.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=756occurred in iteration=10, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 24.5ms SsaConstructionTime, 262.7ms SatisfiabilityAnalysisTime, 1016.5ms InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 1303 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...