/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix046_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 21:30:40,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 21:30:40,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 21:30:40,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 21:30:40,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 21:30:40,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 21:30:40,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 21:30:40,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 21:30:40,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 21:30:40,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 21:30:40,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 21:30:40,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 21:30:40,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 21:30:40,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 21:30:40,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 21:30:40,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 21:30:40,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 21:30:40,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 21:30:40,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 21:30:40,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 21:30:40,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 21:30:40,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 21:30:40,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 21:30:40,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 21:30:40,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 21:30:40,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 21:30:40,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 21:30:40,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 21:30:40,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 21:30:40,277 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 21:30:40,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 21:30:40,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 21:30:40,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 21:30:40,280 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 21:30:40,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 21:30:40,281 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 21:30:40,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 21:30:40,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 21:30:40,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 21:30:40,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 21:30:40,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 21:30:40,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 21:30:40,282 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 21:30:40,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 21:30:40,283 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 21:30:40,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 21:30:40,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 21:30:40,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 21:30:40,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 21:30:40,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 21:30:40,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 21:30:40,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 21:30:40,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 21:30:40,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 21:30:40,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 21:30:40,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 21:30:40,285 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 21:30:40,286 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 21:30:40,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 21:30:40,286 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 21:30:40,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 21:30:40,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 21:30:40,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 21:30:40,683 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 21:30:40,684 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 21:30:40,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix046_tso.opt.i [2021-04-28 21:30:40,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a61ed07b/987bb929ed4d439092d65a447b411efb/FLAG805c709aa [2021-04-28 21:30:41,499 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 21:30:41,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_tso.opt.i [2021-04-28 21:30:41,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a61ed07b/987bb929ed4d439092d65a447b411efb/FLAG805c709aa [2021-04-28 21:30:41,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a61ed07b/987bb929ed4d439092d65a447b411efb [2021-04-28 21:30:41,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 21:30:41,787 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 21:30:41,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 21:30:41,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 21:30:41,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 21:30:41,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:30:41" (1/1) ... [2021-04-28 21:30:41,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@561acdf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:41, skipping insertion in model container [2021-04-28 21:30:41,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 09:30:41" (1/1) ... [2021-04-28 21:30:41,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 21:30:41,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 21:30:42,119 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_tso.opt.i[948,961] [2021-04-28 21:30:42,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:30:42,437 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 21:30:42,451 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_tso.opt.i[948,961] [2021-04-28 21:30:42,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 21:30:42,654 INFO L208 MainTranslator]: Completed translation [2021-04-28 21:30:42,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:42 WrapperNode [2021-04-28 21:30:42,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 21:30:42,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 21:30:42,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 21:30:42,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 21:30:42,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:42" (1/1) ... [2021-04-28 21:30:42,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:42" (1/1) ... [2021-04-28 21:30:42,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 21:30:42,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 21:30:42,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 21:30:42,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 21:30:42,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:42" (1/1) ... [2021-04-28 21:30:42,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:42" (1/1) ... [2021-04-28 21:30:42,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:42" (1/1) ... [2021-04-28 21:30:42,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:42" (1/1) ... [2021-04-28 21:30:42,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:42" (1/1) ... [2021-04-28 21:30:42,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:42" (1/1) ... [2021-04-28 21:30:42,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:42" (1/1) ... [2021-04-28 21:30:42,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 21:30:42,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 21:30:42,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 21:30:42,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 21:30:42,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 21:30:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 21:30:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 21:30:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 21:30:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 21:30:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 21:30:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 21:30:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 21:30:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 21:30:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 21:30:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 21:30:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 21:30:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 21:30:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 21:30:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 21:30:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 21:30:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 21:30:42,984 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 21:30:45,232 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 21:30:45,232 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 21:30:45,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:30:45 BoogieIcfgContainer [2021-04-28 21:30:45,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 21:30:45,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 21:30:45,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 21:30:45,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 21:30:45,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 09:30:41" (1/3) ... [2021-04-28 21:30:45,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6087a19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:30:45, skipping insertion in model container [2021-04-28 21:30:45,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 09:30:42" (2/3) ... [2021-04-28 21:30:45,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6087a19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:30:45, skipping insertion in model container [2021-04-28 21:30:45,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:30:45" (3/3) ... [2021-04-28 21:30:45,244 INFO L111 eAbstractionObserver]: Analyzing ICFG mix046_tso.opt.i [2021-04-28 21:30:45,252 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 21:30:45,257 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 21:30:45,258 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 21:30:45,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,301 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,301 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,301 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,302 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,302 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,302 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,303 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,304 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,304 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,304 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,305 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,305 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,305 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,306 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,306 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,307 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,307 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,307 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,307 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,308 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,308 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,309 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,310 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,311 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,312 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,312 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,313 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,313 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,313 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,313 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,313 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,314 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,314 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,314 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,315 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,315 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,315 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,316 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,316 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,316 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,316 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,316 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,317 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,317 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,317 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,318 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,321 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,321 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,321 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,322 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,322 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,323 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,325 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,326 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,326 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,331 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,331 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,331 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,332 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,333 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,334 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,334 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,335 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,336 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,339 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,340 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,347 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,349 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,350 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,350 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,351 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,351 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,352 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 21:30:45,355 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 21:30:45,380 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 21:30:45,424 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 21:30:45,424 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 21:30:45,424 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 21:30:45,424 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 21:30:45,424 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 21:30:45,424 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 21:30:45,424 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 21:30:45,424 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 21:30:45,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 21:30:45,498 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 21:30:45,498 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:30:45,503 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 87 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 21:30:45,503 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 21:30:45,510 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-04-28 21:30:45,512 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:30:45,529 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 21:30:45,533 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 21:30:45,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-04-28 21:30:45,567 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 21:30:45,567 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:30:45,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-04-28 21:30:45,574 INFO L146 LiptonReduction]: Number of co-enabled transitions 2598 [2021-04-28 21:30:46,320 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2021-04-28 21:30:49,559 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 21:30:49,684 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:30:50,218 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 21:30:50,433 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 21:30:51,595 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 21:30:52,157 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 21:30:54,607 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 21:30:55,684 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:30:59,650 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 21:31:00,178 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:31:02,728 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 21:31:03,849 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:31:05,707 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 21:31:06,283 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:31:08,948 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 21:31:10,171 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:31:11,527 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 234 DAG size of output: 193 [2021-04-28 21:31:12,152 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-04-28 21:31:15,063 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 318 DAG size of output: 274 [2021-04-28 21:31:16,326 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 271 [2021-04-28 21:31:21,117 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 21:31:22,425 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2021-04-28 21:31:25,401 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 21:31:26,738 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:31:29,033 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2021-04-28 21:31:29,738 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:31:33,093 WARN L205 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 21:31:34,598 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:31:36,233 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 233 DAG size of output: 193 [2021-04-28 21:31:37,747 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2021-04-28 21:31:41,069 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 21:31:42,430 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:31:44,614 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 21:31:45,302 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 21:31:48,491 WARN L205 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 21:31:49,896 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:31:51,680 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:31:51,790 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:31:51,913 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:31:52,038 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:31:52,145 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:31:52,251 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:31:52,359 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:31:52,468 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:31:52,605 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:31:52,742 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:31:52,873 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:31:53,010 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:31:53,117 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 21:31:53,229 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 21:31:53,720 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 21:31:54,016 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 21:31:54,321 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:31:54,436 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:31:54,554 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:31:54,673 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:31:54,795 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:31:54,908 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:31:55,022 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:31:55,135 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:31:58,284 WARN L205 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 233 DAG size of output: 192 [2021-04-28 21:31:59,210 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 21:32:03,605 WARN L205 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 317 DAG size of output: 273 [2021-04-28 21:32:05,519 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 270 [2021-04-28 21:32:07,663 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 232 DAG size of output: 191 [2021-04-28 21:32:08,593 WARN L205 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 21:32:13,002 WARN L205 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 21:32:14,992 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 21:32:17,315 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 21:32:18,315 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 21:32:22,759 WARN L205 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 21:32:24,758 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 21:32:24,904 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 21:32:25,022 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 21:32:25,139 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 21:32:25,255 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 21:32:26,379 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:32:26,509 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:32:26,637 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:32:26,762 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 21:32:28,593 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:32:28,708 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:32:28,818 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:32:28,928 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 21:32:31,045 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:32:31,160 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:32:31,275 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:32:31,390 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 21:32:32,374 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:32:32,541 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:32:32,702 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:32:32,868 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 21:32:33,008 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:33,141 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:33,299 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:33,453 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:33,619 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:33,790 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:33,961 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:34,124 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:34,330 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:32:34,533 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:32:34,734 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:32:34,932 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 21:32:35,107 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:35,282 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:35,440 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:35,602 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:35,763 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:35,931 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:36,111 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:36,282 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:36,480 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:32:36,680 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:32:36,887 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:32:37,083 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 21:32:37,271 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:32:37,463 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:32:37,679 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:32:37,877 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 21:32:38,056 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:38,197 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:38,343 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:38,490 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:38,725 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:32:38,962 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:32:39,201 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:32:39,452 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2021-04-28 21:32:39,589 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:39,721 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:39,858 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:39,991 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 21:32:40,215 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:32:40,441 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:32:40,660 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:32:40,882 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 21:32:41,028 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:41,176 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:41,324 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:41,470 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:41,616 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:41,763 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:41,911 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:42,056 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:42,178 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:32:42,304 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:32:42,426 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:32:42,549 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 21:32:42,690 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:42,831 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:42,967 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:43,106 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:43,247 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:32:43,375 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:32:43,501 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:32:43,628 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 21:32:43,775 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:43,921 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:44,066 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:44,212 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 21:32:44,354 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:44,496 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:44,636 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:44,777 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 21:32:45,020 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:32:45,269 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:32:45,522 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:32:45,773 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 21:32:46,031 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:46,296 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:46,578 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:46,851 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:47,082 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:47,318 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:47,568 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:47,839 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:48,150 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:32:48,444 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:32:48,754 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:32:49,080 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 21:32:49,382 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:32:49,680 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:32:49,979 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:32:50,282 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 21:32:50,510 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:32:50,735 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:32:50,953 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:32:51,168 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 21:32:51,433 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:32:51,722 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:32:52,007 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:32:52,274 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 21:32:52,557 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:32:52,851 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:32:53,126 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:32:53,417 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 21:32:53,699 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:53,994 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:54,302 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:54,612 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 21:32:54,892 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:55,176 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:55,453 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:55,734 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:55,981 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:32:56,227 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:32:56,462 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:32:56,712 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:32:56,991 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:32:57,254 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:32:57,510 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:32:57,765 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 21:32:58,042 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:58,309 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:58,581 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:58,877 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 21:32:59,150 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:32:59,417 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:32:59,697 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:32:59,982 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 21:33:00,266 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:33:00,503 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:33:00,718 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:33:00,933 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 21:33:01,333 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:01,731 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:02,139 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:02,537 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:02,907 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:33:03,291 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:33:03,668 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:33:04,023 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 21:33:04,432 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:04,837 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:05,263 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:05,704 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:06,072 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:33:06,447 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:33:06,807 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:33:07,182 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:33:08,199 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 21:33:08,664 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 21:33:09,789 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2021-04-28 21:33:10,273 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2021-04-28 21:33:10,651 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:11,030 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:11,415 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:11,810 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:12,194 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:33:12,590 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:33:12,968 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:33:13,354 WARN L205 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 21:33:13,698 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:33:14,069 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:33:14,423 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:33:14,788 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 21:33:15,213 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:15,623 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:15,982 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:16,358 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 21:33:16,700 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:33:17,045 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:33:17,401 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:33:17,760 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 21:33:18,818 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 21:33:19,340 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 21:33:20,437 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2021-04-28 21:33:20,933 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2021-04-28 21:33:20,994 INFO L158 LiptonReduction]: Checked pairs total: 24899 [2021-04-28 21:33:20,994 INFO L160 LiptonReduction]: Total number of compositions: 262 [2021-04-28 21:33:21,000 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 155488 [2021-04-28 21:33:21,027 INFO L129 PetriNetUnfolder]: 2/102 cut-off events. [2021-04-28 21:33:21,027 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:33:21,027 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:21,028 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:21,029 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:21,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:21,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1988398300, now seen corresponding path program 1 times [2021-04-28 21:33:21,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:21,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317644794] [2021-04-28 21:33:21,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:21,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:21,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 21:33:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:21,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317644794] [2021-04-28 21:33:21,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:21,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:33:21,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134649475] [2021-04-28 21:33:21,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:33:21,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:21,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:33:21,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:33:21,394 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 379 [2021-04-28 21:33:21,400 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 142 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:21,400 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:21,400 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 379 [2021-04-28 21:33:21,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:22,027 INFO L129 PetriNetUnfolder]: 212/677 cut-off events. [2021-04-28 21:33:22,027 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:33:22,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1083 conditions, 677 events. 212/677 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5244 event pairs, 16 based on Foata normal form. 10/308 useless extension candidates. Maximal degree in co-relation 1006. Up to 333 conditions per place. [2021-04-28 21:33:22,035 INFO L132 encePairwiseOnDemand]: 361/379 looper letters, 7 selfloop transitions, 4 changer transitions 102/154 dead transitions. [2021-04-28 21:33:22,035 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 154 transitions, 418 flow [2021-04-28 21:33:22,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:33:22,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:33:22,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 963 transitions. [2021-04-28 21:33:22,060 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8469656992084432 [2021-04-28 21:33:22,060 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 963 transitions. [2021-04-28 21:33:22,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 963 transitions. [2021-04-28 21:33:22,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:22,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 963 transitions. [2021-04-28 21:33:22,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:22,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:22,088 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:22,090 INFO L185 Difference]: Start difference. First operand has 153 places, 142 transitions, 296 flow. Second operand 3 states and 963 transitions. [2021-04-28 21:33:22,091 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 154 transitions, 418 flow [2021-04-28 21:33:22,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 154 transitions, 414 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 21:33:22,099 INFO L241 Difference]: Finished difference. Result has 148 places, 49 transitions, 114 flow [2021-04-28 21:33:22,102 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=148, PETRI_TRANSITIONS=49} [2021-04-28 21:33:22,102 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -5 predicate places. [2021-04-28 21:33:22,103 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:22,103 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 49 transitions, 114 flow [2021-04-28 21:33:22,103 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 49 transitions, 114 flow [2021-04-28 21:33:22,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 49 transitions, 114 flow [2021-04-28 21:33:22,112 INFO L129 PetriNetUnfolder]: 0/49 cut-off events. [2021-04-28 21:33:22,112 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:33:22,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 49 events. 0/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 172 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 21:33:22,113 INFO L146 LiptonReduction]: Number of co-enabled transitions 1464 [2021-04-28 21:33:22,557 INFO L158 LiptonReduction]: Checked pairs total: 1426 [2021-04-28 21:33:22,557 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:22,558 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 455 [2021-04-28 21:33:22,560 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 49 transitions, 114 flow [2021-04-28 21:33:22,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:22,561 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:22,561 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:22,561 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 21:33:22,562 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:22,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:22,562 INFO L82 PathProgramCache]: Analyzing trace with hash 409763528, now seen corresponding path program 1 times [2021-04-28 21:33:22,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:22,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699233866] [2021-04-28 21:33:22,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:22,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:22,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:33:22,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:22,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699233866] [2021-04-28 21:33:22,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:22,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:33:22,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248759414] [2021-04-28 21:33:22,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:33:22,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:22,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:33:22,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:33:22,701 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 379 [2021-04-28 21:33:22,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 265.6666666666667) internal successors, (797), 3 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:22,702 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:22,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 379 [2021-04-28 21:33:22,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:22,726 INFO L129 PetriNetUnfolder]: 0/49 cut-off events. [2021-04-28 21:33:22,726 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:33:22,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 49 events. 0/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 157 event pairs, 0 based on Foata normal form. 1/28 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 21:33:22,727 INFO L132 encePairwiseOnDemand]: 376/379 looper letters, 1 selfloop transitions, 2 changer transitions 12/49 dead transitions. [2021-04-28 21:33:22,727 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 49 transitions, 120 flow [2021-04-28 21:33:22,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:33:22,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:33:22,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 799 transitions. [2021-04-28 21:33:22,734 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.702726473175022 [2021-04-28 21:33:22,734 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 799 transitions. [2021-04-28 21:33:22,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 799 transitions. [2021-04-28 21:33:22,735 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:22,735 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 799 transitions. [2021-04-28 21:33:22,738 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.3333333333333) internal successors, (799), 3 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:22,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:22,743 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 379.0) internal successors, (1516), 4 states have internal predecessors, (1516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:22,743 INFO L185 Difference]: Start difference. First operand has 60 places, 49 transitions, 114 flow. Second operand 3 states and 799 transitions. [2021-04-28 21:33:22,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 49 transitions, 120 flow [2021-04-28 21:33:22,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 49 transitions, 112 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:33:22,745 INFO L241 Difference]: Finished difference. Result has 61 places, 37 transitions, 90 flow [2021-04-28 21:33:22,746 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=61, PETRI_TRANSITIONS=37} [2021-04-28 21:33:22,746 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -92 predicate places. [2021-04-28 21:33:22,746 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:22,747 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 37 transitions, 90 flow [2021-04-28 21:33:22,747 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 37 transitions, 90 flow [2021-04-28 21:33:22,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 37 transitions, 90 flow [2021-04-28 21:33:22,753 INFO L129 PetriNetUnfolder]: 0/37 cut-off events. [2021-04-28 21:33:22,754 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 21:33:22,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 37 events. 0/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 90 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 21:33:22,755 INFO L146 LiptonReduction]: Number of co-enabled transitions 806 [2021-04-28 21:33:23,687 INFO L158 LiptonReduction]: Checked pairs total: 1926 [2021-04-28 21:33:23,687 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 21:33:23,687 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 941 [2021-04-28 21:33:23,690 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 37 transitions, 90 flow [2021-04-28 21:33:23,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 265.6666666666667) internal successors, (797), 3 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:23,691 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:23,691 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:23,691 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 21:33:23,691 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:23,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:23,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1354353326, now seen corresponding path program 1 times [2021-04-28 21:33:23,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:23,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400659960] [2021-04-28 21:33:23,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:23,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:23,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:33:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:23,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400659960] [2021-04-28 21:33:23,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:23,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 21:33:23,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928238611] [2021-04-28 21:33:23,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 21:33:23,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:23,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 21:33:23,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 21:33:23,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 380 [2021-04-28 21:33:23,855 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 37 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 276.6666666666667) internal successors, (830), 3 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:23,855 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:23,855 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 380 [2021-04-28 21:33:23,855 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:23,882 INFO L129 PetriNetUnfolder]: 0/52 cut-off events. [2021-04-28 21:33:23,882 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-04-28 21:33:23,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 52 events. 0/52 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 172 event pairs, 0 based on Foata normal form. 1/35 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-04-28 21:33:23,883 INFO L132 encePairwiseOnDemand]: 376/380 looper letters, 2 selfloop transitions, 3 changer transitions 2/38 dead transitions. [2021-04-28 21:33:23,883 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 38 transitions, 102 flow [2021-04-28 21:33:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 21:33:23,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 21:33:23,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 834 transitions. [2021-04-28 21:33:23,889 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7315789473684211 [2021-04-28 21:33:23,889 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 834 transitions. [2021-04-28 21:33:23,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 834 transitions. [2021-04-28 21:33:23,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:23,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 834 transitions. [2021-04-28 21:33:23,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 278.0) internal successors, (834), 3 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:23,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 380.0) internal successors, (1520), 4 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:23,898 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 380.0) internal successors, (1520), 4 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:23,898 INFO L185 Difference]: Start difference. First operand has 49 places, 37 transitions, 90 flow. Second operand 3 states and 834 transitions. [2021-04-28 21:33:23,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 38 transitions, 102 flow [2021-04-28 21:33:23,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 38 transitions, 98 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:33:23,900 INFO L241 Difference]: Finished difference. Result has 51 places, 36 transitions, 100 flow [2021-04-28 21:33:23,900 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=51, PETRI_TRANSITIONS=36} [2021-04-28 21:33:23,900 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -102 predicate places. [2021-04-28 21:33:23,901 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:23,901 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 36 transitions, 100 flow [2021-04-28 21:33:23,901 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 36 transitions, 100 flow [2021-04-28 21:33:23,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 36 transitions, 100 flow [2021-04-28 21:33:23,909 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-04-28 21:33:23,909 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-04-28 21:33:23,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 50 events. 0/50 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 172 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-04-28 21:33:23,911 INFO L146 LiptonReduction]: Number of co-enabled transitions 744 [2021-04-28 21:33:24,036 INFO L158 LiptonReduction]: Checked pairs total: 709 [2021-04-28 21:33:24,037 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:24,037 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 136 [2021-04-28 21:33:24,038 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 36 transitions, 100 flow [2021-04-28 21:33:24,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 276.6666666666667) internal successors, (830), 3 states have internal predecessors, (830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:24,039 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:24,039 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:24,040 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 21:33:24,040 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:24,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:24,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1214087613, now seen corresponding path program 1 times [2021-04-28 21:33:24,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:24,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123473481] [2021-04-28 21:33:24,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:24,203 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.0 percent of original size [2021-04-28 21:33:24,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-28 21:33:24,335 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 20 [2021-04-28 21:33:24,341 INFO L142 QuantifierPusher]: treesize reduction 11, result has 78.4 percent of original size [2021-04-28 21:33:24,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-04-28 21:33:24,437 INFO L142 QuantifierPusher]: treesize reduction 37, result has 62.2 percent of original size [2021-04-28 21:33:24,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-04-28 21:33:24,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:24,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123473481] [2021-04-28 21:33:24,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:24,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:33:24,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077636782] [2021-04-28 21:33:24,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:33:24,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:24,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:33:24,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:33:24,554 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 380 [2021-04-28 21:33:24,556 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 36 transitions, 100 flow. Second operand has 5 states, 5 states have (on average 226.8) internal successors, (1134), 5 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:24,557 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:24,557 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 380 [2021-04-28 21:33:24,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:24,896 INFO L129 PetriNetUnfolder]: 38/186 cut-off events. [2021-04-28 21:33:24,897 INFO L130 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2021-04-28 21:33:24,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 186 events. 38/186 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1047 event pairs, 0 based on Foata normal form. 5/132 useless extension candidates. Maximal degree in co-relation 310. Up to 48 conditions per place. [2021-04-28 21:33:24,900 INFO L132 encePairwiseOnDemand]: 374/380 looper letters, 10 selfloop transitions, 6 changer transitions 0/45 dead transitions. [2021-04-28 21:33:24,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 45 transitions, 151 flow [2021-04-28 21:33:24,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:33:24,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:33:24,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1147 transitions. [2021-04-28 21:33:24,909 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6036842105263158 [2021-04-28 21:33:24,909 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1147 transitions. [2021-04-28 21:33:24,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1147 transitions. [2021-04-28 21:33:24,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:24,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1147 transitions. [2021-04-28 21:33:24,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 229.4) internal successors, (1147), 5 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:24,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:24,922 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:24,922 INFO L185 Difference]: Start difference. First operand has 49 places, 36 transitions, 100 flow. Second operand 5 states and 1147 transitions. [2021-04-28 21:33:24,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 45 transitions, 151 flow [2021-04-28 21:33:24,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 45 transitions, 145 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 21:33:24,925 INFO L241 Difference]: Finished difference. Result has 53 places, 40 transitions, 130 flow [2021-04-28 21:33:24,925 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=130, PETRI_PLACES=53, PETRI_TRANSITIONS=40} [2021-04-28 21:33:24,925 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -100 predicate places. [2021-04-28 21:33:24,925 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:24,925 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 40 transitions, 130 flow [2021-04-28 21:33:24,926 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 40 transitions, 130 flow [2021-04-28 21:33:24,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 40 transitions, 130 flow [2021-04-28 21:33:24,943 INFO L129 PetriNetUnfolder]: 10/96 cut-off events. [2021-04-28 21:33:24,943 INFO L130 PetriNetUnfolder]: For 26/30 co-relation queries the response was YES. [2021-04-28 21:33:24,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 96 events. 10/96 cut-off events. For 26/30 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 419 event pairs, 2 based on Foata normal form. 1/65 useless extension candidates. Maximal degree in co-relation 161. Up to 22 conditions per place. [2021-04-28 21:33:24,946 INFO L146 LiptonReduction]: Number of co-enabled transitions 852 [2021-04-28 21:33:25,023 INFO L158 LiptonReduction]: Checked pairs total: 445 [2021-04-28 21:33:25,023 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:25,023 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 98 [2021-04-28 21:33:25,025 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 40 transitions, 130 flow [2021-04-28 21:33:25,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 226.8) internal successors, (1134), 5 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:25,026 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:25,026 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:25,026 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 21:33:25,026 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:25,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:25,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1501278794, now seen corresponding path program 1 times [2021-04-28 21:33:25,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:25,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23385787] [2021-04-28 21:33:25,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:25,285 INFO L142 QuantifierPusher]: treesize reduction 31, result has 57.5 percent of original size [2021-04-28 21:33:25,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-28 21:33:25,379 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.1 percent of original size [2021-04-28 21:33:25,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-04-28 21:33:25,486 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.2 percent of original size [2021-04-28 21:33:25,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-04-28 21:33:25,609 INFO L142 QuantifierPusher]: treesize reduction 39, result has 68.8 percent of original size [2021-04-28 21:33:25,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-04-28 21:33:25,733 INFO L142 QuantifierPusher]: treesize reduction 38, result has 62.0 percent of original size [2021-04-28 21:33:25,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-28 21:33:25,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:25,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23385787] [2021-04-28 21:33:25,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:25,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:33:25,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543709477] [2021-04-28 21:33:25,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:33:25,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:25,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:33:25,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:33:25,825 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 380 [2021-04-28 21:33:25,828 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 40 transitions, 130 flow. Second operand has 7 states, 7 states have (on average 229.85714285714286) internal successors, (1609), 7 states have internal predecessors, (1609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:25,828 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:25,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 380 [2021-04-28 21:33:25,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:26,192 INFO L129 PetriNetUnfolder]: 48/220 cut-off events. [2021-04-28 21:33:26,192 INFO L130 PetriNetUnfolder]: For 80/82 co-relation queries the response was YES. [2021-04-28 21:33:26,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 220 events. 48/220 cut-off events. For 80/82 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1295 event pairs, 4 based on Foata normal form. 4/156 useless extension candidates. Maximal degree in co-relation 465. Up to 73 conditions per place. [2021-04-28 21:33:26,195 INFO L132 encePairwiseOnDemand]: 373/380 looper letters, 11 selfloop transitions, 9 changer transitions 0/49 dead transitions. [2021-04-28 21:33:26,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 49 transitions, 204 flow [2021-04-28 21:33:26,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:33:26,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:33:26,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1162 transitions. [2021-04-28 21:33:26,204 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.611578947368421 [2021-04-28 21:33:26,204 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1162 transitions. [2021-04-28 21:33:26,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1162 transitions. [2021-04-28 21:33:26,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:26,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1162 transitions. [2021-04-28 21:33:26,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 232.4) internal successors, (1162), 5 states have internal predecessors, (1162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:26,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:26,216 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:26,216 INFO L185 Difference]: Start difference. First operand has 53 places, 40 transitions, 130 flow. Second operand 5 states and 1162 transitions. [2021-04-28 21:33:26,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 49 transitions, 204 flow [2021-04-28 21:33:26,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 49 transitions, 199 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:33:26,219 INFO L241 Difference]: Finished difference. Result has 58 places, 45 transitions, 182 flow [2021-04-28 21:33:26,219 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=182, PETRI_PLACES=58, PETRI_TRANSITIONS=45} [2021-04-28 21:33:26,220 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -95 predicate places. [2021-04-28 21:33:26,220 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:26,220 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 45 transitions, 182 flow [2021-04-28 21:33:26,220 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 45 transitions, 182 flow [2021-04-28 21:33:26,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 45 transitions, 182 flow [2021-04-28 21:33:26,259 INFO L129 PetriNetUnfolder]: 32/198 cut-off events. [2021-04-28 21:33:26,259 INFO L130 PetriNetUnfolder]: For 122/125 co-relation queries the response was YES. [2021-04-28 21:33:26,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 198 events. 32/198 cut-off events. For 122/125 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1224 event pairs, 4 based on Foata normal form. 2/137 useless extension candidates. Maximal degree in co-relation 409. Up to 58 conditions per place. [2021-04-28 21:33:26,266 INFO L146 LiptonReduction]: Number of co-enabled transitions 986 [2021-04-28 21:33:26,270 INFO L158 LiptonReduction]: Checked pairs total: 518 [2021-04-28 21:33:26,270 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:26,270 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-04-28 21:33:26,272 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 45 transitions, 182 flow [2021-04-28 21:33:26,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 229.85714285714286) internal successors, (1609), 7 states have internal predecessors, (1609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:26,273 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:26,273 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:26,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 21:33:26,273 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:26,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:26,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1600482824, now seen corresponding path program 2 times [2021-04-28 21:33:26,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:26,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421192537] [2021-04-28 21:33:26,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:26,419 INFO L142 QuantifierPusher]: treesize reduction 32, result has 68.9 percent of original size [2021-04-28 21:33:26,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-28 21:33:26,557 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2021-04-28 21:33:26,563 INFO L142 QuantifierPusher]: treesize reduction 32, result has 69.8 percent of original size [2021-04-28 21:33:26,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-28 21:33:26,727 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2021-04-28 21:33:26,732 INFO L142 QuantifierPusher]: treesize reduction 14, result has 83.5 percent of original size [2021-04-28 21:33:26,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-28 21:33:26,855 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 21 [2021-04-28 21:33:26,861 INFO L142 QuantifierPusher]: treesize reduction 49, result has 64.7 percent of original size [2021-04-28 21:33:26,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-04-28 21:33:27,006 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2021-04-28 21:33:27,012 INFO L142 QuantifierPusher]: treesize reduction 11, result has 82.5 percent of original size [2021-04-28 21:33:27,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-04-28 21:33:27,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:27,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421192537] [2021-04-28 21:33:27,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:27,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:33:27,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111346973] [2021-04-28 21:33:27,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:33:27,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:27,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:33:27,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:33:27,093 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 380 [2021-04-28 21:33:27,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 45 transitions, 182 flow. Second operand has 7 states, 7 states have (on average 229.85714285714286) internal successors, (1609), 7 states have internal predecessors, (1609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:27,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:27,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 380 [2021-04-28 21:33:27,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:27,483 INFO L129 PetriNetUnfolder]: 46/206 cut-off events. [2021-04-28 21:33:27,483 INFO L130 PetriNetUnfolder]: For 186/196 co-relation queries the response was YES. [2021-04-28 21:33:27,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 206 events. 46/206 cut-off events. For 186/196 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1174 event pairs, 0 based on Foata normal form. 7/152 useless extension candidates. Maximal degree in co-relation 511. Up to 49 conditions per place. [2021-04-28 21:33:27,486 INFO L132 encePairwiseOnDemand]: 375/380 looper letters, 12 selfloop transitions, 9 changer transitions 0/50 dead transitions. [2021-04-28 21:33:27,486 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 50 transitions, 246 flow [2021-04-28 21:33:27,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:33:27,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:33:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1161 transitions. [2021-04-28 21:33:27,494 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6110526315789474 [2021-04-28 21:33:27,494 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1161 transitions. [2021-04-28 21:33:27,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1161 transitions. [2021-04-28 21:33:27,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:27,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1161 transitions. [2021-04-28 21:33:27,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 232.2) internal successors, (1161), 5 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:27,503 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:27,504 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:27,504 INFO L185 Difference]: Start difference. First operand has 58 places, 45 transitions, 182 flow. Second operand 5 states and 1161 transitions. [2021-04-28 21:33:27,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 50 transitions, 246 flow [2021-04-28 21:33:27,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 50 transitions, 239 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 21:33:27,512 INFO L241 Difference]: Finished difference. Result has 62 places, 45 transitions, 202 flow [2021-04-28 21:33:27,512 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=202, PETRI_PLACES=62, PETRI_TRANSITIONS=45} [2021-04-28 21:33:27,512 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -91 predicate places. [2021-04-28 21:33:27,512 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:27,512 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 45 transitions, 202 flow [2021-04-28 21:33:27,513 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 45 transitions, 202 flow [2021-04-28 21:33:27,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 45 transitions, 202 flow [2021-04-28 21:33:27,544 INFO L129 PetriNetUnfolder]: 30/190 cut-off events. [2021-04-28 21:33:27,545 INFO L130 PetriNetUnfolder]: For 225/228 co-relation queries the response was YES. [2021-04-28 21:33:27,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 439 conditions, 190 events. 30/190 cut-off events. For 225/228 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1172 event pairs, 6 based on Foata normal form. 2/131 useless extension candidates. Maximal degree in co-relation 422. Up to 48 conditions per place. [2021-04-28 21:33:27,551 INFO L146 LiptonReduction]: Number of co-enabled transitions 984 [2021-04-28 21:33:27,557 INFO L158 LiptonReduction]: Checked pairs total: 514 [2021-04-28 21:33:27,558 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:27,558 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-04-28 21:33:27,560 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 45 transitions, 202 flow [2021-04-28 21:33:27,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 229.85714285714286) internal successors, (1609), 7 states have internal predecessors, (1609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:27,561 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:27,561 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:27,561 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 21:33:27,561 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:27,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:27,562 INFO L82 PathProgramCache]: Analyzing trace with hash 65162992, now seen corresponding path program 1 times [2021-04-28 21:33:27,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:27,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290441948] [2021-04-28 21:33:27,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:27,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:27,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:33:27,709 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:33:27,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:33:27,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:27,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:33:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:27,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290441948] [2021-04-28 21:33:27,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:27,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:33:27,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040881661] [2021-04-28 21:33:27,739 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:33:27,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:27,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:33:27,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:33:27,742 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 380 [2021-04-28 21:33:27,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 45 transitions, 202 flow. Second operand has 4 states, 4 states have (on average 286.75) internal successors, (1147), 4 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:27,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:27,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 380 [2021-04-28 21:33:27,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:30,277 INFO L129 PetriNetUnfolder]: 9362/14013 cut-off events. [2021-04-28 21:33:30,278 INFO L130 PetriNetUnfolder]: For 5031/5456 co-relation queries the response was YES. [2021-04-28 21:33:30,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30941 conditions, 14013 events. 9362/14013 cut-off events. For 5031/5456 co-relation queries the response was YES. Maximal size of possible extension queue 2325. Compared 113804 event pairs, 5082 based on Foata normal form. 927/6747 useless extension candidates. Maximal degree in co-relation 30922. Up to 10477 conditions per place. [2021-04-28 21:33:30,451 INFO L132 encePairwiseOnDemand]: 365/380 looper letters, 27 selfloop transitions, 26 changer transitions 0/82 dead transitions. [2021-04-28 21:33:30,451 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 82 transitions, 382 flow [2021-04-28 21:33:30,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 21:33:30,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 21:33:30,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1484 transitions. [2021-04-28 21:33:30,459 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7810526315789473 [2021-04-28 21:33:30,459 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1484 transitions. [2021-04-28 21:33:30,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1484 transitions. [2021-04-28 21:33:30,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:30,461 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1484 transitions. [2021-04-28 21:33:30,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 296.8) internal successors, (1484), 5 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:30,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:30,472 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 380.0) internal successors, (2280), 6 states have internal predecessors, (2280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:30,472 INFO L185 Difference]: Start difference. First operand has 62 places, 45 transitions, 202 flow. Second operand 5 states and 1484 transitions. [2021-04-28 21:33:30,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 82 transitions, 382 flow [2021-04-28 21:33:30,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 82 transitions, 362 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-04-28 21:33:30,494 INFO L241 Difference]: Finished difference. Result has 65 places, 70 transitions, 381 flow [2021-04-28 21:33:30,495 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=381, PETRI_PLACES=65, PETRI_TRANSITIONS=70} [2021-04-28 21:33:30,495 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -88 predicate places. [2021-04-28 21:33:30,495 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:30,495 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 70 transitions, 381 flow [2021-04-28 21:33:30,496 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 70 transitions, 381 flow [2021-04-28 21:33:30,496 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 70 transitions, 381 flow [2021-04-28 21:33:32,606 INFO L129 PetriNetUnfolder]: 9973/14640 cut-off events. [2021-04-28 21:33:32,606 INFO L130 PetriNetUnfolder]: For 6598/12289 co-relation queries the response was YES. [2021-04-28 21:33:32,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44449 conditions, 14640 events. 9973/14640 cut-off events. For 6598/12289 co-relation queries the response was YES. Maximal size of possible extension queue 1951. Compared 112752 event pairs, 4654 based on Foata normal form. 13/5903 useless extension candidates. Maximal degree in co-relation 44429. Up to 12898 conditions per place. [2021-04-28 21:33:32,853 INFO L146 LiptonReduction]: Number of co-enabled transitions 1590 [2021-04-28 21:33:32,880 INFO L158 LiptonReduction]: Checked pairs total: 882 [2021-04-28 21:33:32,880 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:32,880 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2385 [2021-04-28 21:33:32,882 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 70 transitions, 381 flow [2021-04-28 21:33:32,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 286.75) internal successors, (1147), 4 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:32,882 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:32,883 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:32,883 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 21:33:32,883 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:32,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:32,883 INFO L82 PathProgramCache]: Analyzing trace with hash -547042904, now seen corresponding path program 1 times [2021-04-28 21:33:32,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:32,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39192715] [2021-04-28 21:33:32,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:33,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:33,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:33,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:33,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:33,060 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:33:33,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:33:33,089 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:33,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:33:33,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:33,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39192715] [2021-04-28 21:33:33,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:33,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 21:33:33,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425453769] [2021-04-28 21:33:33,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 21:33:33,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:33,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 21:33:33,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 21:33:33,095 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 380 [2021-04-28 21:33:33,097 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 70 transitions, 381 flow. Second operand has 5 states, 5 states have (on average 286.8) internal successors, (1434), 5 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:33,097 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:33,097 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 380 [2021-04-28 21:33:33,097 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:35,529 INFO L129 PetriNetUnfolder]: 9314/14559 cut-off events. [2021-04-28 21:33:35,530 INFO L130 PetriNetUnfolder]: For 11649/57526 co-relation queries the response was YES. [2021-04-28 21:33:35,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57780 conditions, 14559 events. 9314/14559 cut-off events. For 11649/57526 co-relation queries the response was YES. Maximal size of possible extension queue 2667. Compared 122047 event pairs, 2061 based on Foata normal form. 1027/6947 useless extension candidates. Maximal degree in co-relation 57758. Up to 12706 conditions per place. [2021-04-28 21:33:35,646 INFO L132 encePairwiseOnDemand]: 365/380 looper letters, 27 selfloop transitions, 51 changer transitions 0/107 dead transitions. [2021-04-28 21:33:35,646 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 107 transitions, 757 flow [2021-04-28 21:33:35,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 21:33:35,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 21:33:35,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2081 transitions. [2021-04-28 21:33:35,659 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7823308270676692 [2021-04-28 21:33:35,659 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2081 transitions. [2021-04-28 21:33:35,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2081 transitions. [2021-04-28 21:33:35,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:35,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2081 transitions. [2021-04-28 21:33:35,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 297.2857142857143) internal successors, (2081), 7 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:35,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 380.0) internal successors, (3040), 8 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:35,675 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 380.0) internal successors, (3040), 8 states have internal predecessors, (3040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:35,675 INFO L185 Difference]: Start difference. First operand has 65 places, 70 transitions, 381 flow. Second operand 7 states and 2081 transitions. [2021-04-28 21:33:35,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 107 transitions, 757 flow [2021-04-28 21:33:35,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 107 transitions, 744 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 21:33:35,736 INFO L241 Difference]: Finished difference. Result has 73 places, 95 transitions, 738 flow [2021-04-28 21:33:35,737 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=738, PETRI_PLACES=73, PETRI_TRANSITIONS=95} [2021-04-28 21:33:35,737 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -80 predicate places. [2021-04-28 21:33:35,737 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:35,737 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 95 transitions, 738 flow [2021-04-28 21:33:35,737 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 95 transitions, 738 flow [2021-04-28 21:33:35,739 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 95 transitions, 738 flow [2021-04-28 21:33:37,412 INFO L129 PetriNetUnfolder]: 9662/14993 cut-off events. [2021-04-28 21:33:37,412 INFO L130 PetriNetUnfolder]: For 24155/38146 co-relation queries the response was YES. [2021-04-28 21:33:37,475 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72696 conditions, 14993 events. 9662/14993 cut-off events. For 24155/38146 co-relation queries the response was YES. Maximal size of possible extension queue 2324. Compared 125590 event pairs, 2304 based on Foata normal form. 59/6271 useless extension candidates. Maximal degree in co-relation 72672. Up to 13042 conditions per place. [2021-04-28 21:33:37,653 INFO L146 LiptonReduction]: Number of co-enabled transitions 2244 [2021-04-28 21:33:37,683 INFO L158 LiptonReduction]: Checked pairs total: 1636 [2021-04-28 21:33:37,683 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:37,683 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1946 [2021-04-28 21:33:37,685 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 95 transitions, 738 flow [2021-04-28 21:33:37,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 286.8) internal successors, (1434), 5 states have internal predecessors, (1434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:37,686 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:37,686 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:37,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 21:33:37,686 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:37,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:37,687 INFO L82 PathProgramCache]: Analyzing trace with hash -2024593167, now seen corresponding path program 1 times [2021-04-28 21:33:37,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:37,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067678753] [2021-04-28 21:33:37,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:37,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:37,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:37,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:37,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:37,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:37,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:37,977 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:33:37,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:33:38,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:38,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:33:38,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:38,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067678753] [2021-04-28 21:33:38,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:38,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 21:33:38,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233963190] [2021-04-28 21:33:38,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 21:33:38,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:38,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 21:33:38,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 21:33:38,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 380 [2021-04-28 21:33:38,023 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 95 transitions, 738 flow. Second operand has 6 states, 6 states have (on average 286.8333333333333) internal successors, (1721), 6 states have internal predecessors, (1721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:38,023 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:38,023 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 380 [2021-04-28 21:33:38,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:40,053 INFO L129 PetriNetUnfolder]: 7595/12678 cut-off events. [2021-04-28 21:33:40,053 INFO L130 PetriNetUnfolder]: For 23718/109303 co-relation queries the response was YES. [2021-04-28 21:33:40,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73805 conditions, 12678 events. 7595/12678 cut-off events. For 23718/109303 co-relation queries the response was YES. Maximal size of possible extension queue 2457. Compared 111182 event pairs, 324 based on Foata normal form. 1076/6007 useless extension candidates. Maximal degree in co-relation 73779. Up to 11534 conditions per place. [2021-04-28 21:33:40,157 INFO L132 encePairwiseOnDemand]: 365/380 looper letters, 14 selfloop transitions, 76 changer transitions 12/131 dead transitions. [2021-04-28 21:33:40,158 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 131 transitions, 1295 flow [2021-04-28 21:33:40,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 21:33:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 21:33:40,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2678 transitions. [2021-04-28 21:33:40,173 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7830409356725146 [2021-04-28 21:33:40,173 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2678 transitions. [2021-04-28 21:33:40,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2678 transitions. [2021-04-28 21:33:40,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:40,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2678 transitions. [2021-04-28 21:33:40,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 297.55555555555554) internal successors, (2678), 9 states have internal predecessors, (2678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:40,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 380.0) internal successors, (3800), 10 states have internal predecessors, (3800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:40,192 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 380.0) internal successors, (3800), 10 states have internal predecessors, (3800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:40,193 INFO L185 Difference]: Start difference. First operand has 73 places, 95 transitions, 738 flow. Second operand 9 states and 2678 transitions. [2021-04-28 21:33:40,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 131 transitions, 1295 flow [2021-04-28 21:33:40,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 131 transitions, 1157 flow, removed 49 selfloop flow, removed 3 redundant places. [2021-04-28 21:33:40,457 INFO L241 Difference]: Finished difference. Result has 81 places, 119 transitions, 1077 flow [2021-04-28 21:33:40,457 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=587, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1077, PETRI_PLACES=81, PETRI_TRANSITIONS=119} [2021-04-28 21:33:40,458 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -72 predicate places. [2021-04-28 21:33:40,458 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:40,458 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 119 transitions, 1077 flow [2021-04-28 21:33:40,566 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 119 transitions, 1077 flow [2021-04-28 21:33:40,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 119 transitions, 1077 flow [2021-04-28 21:33:41,851 INFO L129 PetriNetUnfolder]: 6215/10866 cut-off events. [2021-04-28 21:33:41,852 INFO L130 PetriNetUnfolder]: For 37335/43159 co-relation queries the response was YES. [2021-04-28 21:33:41,903 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65621 conditions, 10866 events. 6215/10866 cut-off events. For 37335/43159 co-relation queries the response was YES. Maximal size of possible extension queue 2058. Compared 102525 event pairs, 405 based on Foata normal form. 34/4439 useless extension candidates. Maximal degree in co-relation 65594. Up to 8911 conditions per place. [2021-04-28 21:33:42,051 INFO L146 LiptonReduction]: Number of co-enabled transitions 2516 [2021-04-28 21:33:42,081 INFO L158 LiptonReduction]: Checked pairs total: 2370 [2021-04-28 21:33:42,082 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:42,082 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1624 [2021-04-28 21:33:42,083 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 119 transitions, 1077 flow [2021-04-28 21:33:42,085 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 286.8333333333333) internal successors, (1721), 6 states have internal predecessors, (1721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:42,085 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:42,085 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:42,085 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 21:33:42,085 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:42,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:42,086 INFO L82 PathProgramCache]: Analyzing trace with hash 932033581, now seen corresponding path program 1 times [2021-04-28 21:33:42,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:42,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928212727] [2021-04-28 21:33:42,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:42,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:42,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:33:42,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:42,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:33:42,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:42,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:33:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:42,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928212727] [2021-04-28 21:33:42,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:42,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:33:42,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841156706] [2021-04-28 21:33:42,181 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:33:42,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:42,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:33:42,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:33:42,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 259 out of 380 [2021-04-28 21:33:42,186 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 119 transitions, 1077 flow. Second operand has 4 states, 4 states have (on average 260.0) internal successors, (1040), 4 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:42,186 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:42,186 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 259 of 380 [2021-04-28 21:33:42,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:33:44,940 INFO L129 PetriNetUnfolder]: 12216/21077 cut-off events. [2021-04-28 21:33:44,941 INFO L130 PetriNetUnfolder]: For 93988/217930 co-relation queries the response was YES. [2021-04-28 21:33:45,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127999 conditions, 21077 events. 12216/21077 cut-off events. For 93988/217930 co-relation queries the response was YES. Maximal size of possible extension queue 4575. Compared 206740 event pairs, 648 based on Foata normal form. 277/8323 useless extension candidates. Maximal degree in co-relation 127970. Up to 17515 conditions per place. [2021-04-28 21:33:45,129 INFO L132 encePairwiseOnDemand]: 377/380 looper letters, 4 selfloop transitions, 2 changer transitions 0/121 dead transitions. [2021-04-28 21:33:45,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 121 transitions, 1101 flow [2021-04-28 21:33:45,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:33:45,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:33:45,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1043 transitions. [2021-04-28 21:33:45,136 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6861842105263158 [2021-04-28 21:33:45,137 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1043 transitions. [2021-04-28 21:33:45,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1043 transitions. [2021-04-28 21:33:45,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:33:45,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1043 transitions. [2021-04-28 21:33:45,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 260.75) internal successors, (1043), 4 states have internal predecessors, (1043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:45,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 380.0) internal successors, (1900), 5 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:45,144 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 380.0) internal successors, (1900), 5 states have internal predecessors, (1900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:45,144 INFO L185 Difference]: Start difference. First operand has 81 places, 119 transitions, 1077 flow. Second operand 4 states and 1043 transitions. [2021-04-28 21:33:45,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 121 transitions, 1101 flow [2021-04-28 21:33:54,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 121 transitions, 828 flow, removed 98 selfloop flow, removed 4 redundant places. [2021-04-28 21:33:54,930 INFO L241 Difference]: Finished difference. Result has 82 places, 120 transitions, 817 flow [2021-04-28 21:33:54,930 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=817, PETRI_PLACES=82, PETRI_TRANSITIONS=120} [2021-04-28 21:33:54,930 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -71 predicate places. [2021-04-28 21:33:54,930 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:33:54,931 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 120 transitions, 817 flow [2021-04-28 21:33:54,931 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 120 transitions, 817 flow [2021-04-28 21:33:54,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 120 transitions, 817 flow [2021-04-28 21:33:56,928 INFO L129 PetriNetUnfolder]: 12250/21192 cut-off events. [2021-04-28 21:33:56,928 INFO L130 PetriNetUnfolder]: For 49137/50017 co-relation queries the response was YES. [2021-04-28 21:33:57,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86416 conditions, 21192 events. 12250/21192 cut-off events. For 49137/50017 co-relation queries the response was YES. Maximal size of possible extension queue 3909. Compared 215178 event pairs, 783 based on Foata normal form. 38/8250 useless extension candidates. Maximal degree in co-relation 86387. Up to 9073 conditions per place. [2021-04-28 21:33:57,179 INFO L146 LiptonReduction]: Number of co-enabled transitions 2602 [2021-04-28 21:33:57,219 INFO L158 LiptonReduction]: Checked pairs total: 448 [2021-04-28 21:33:57,219 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 21:33:57,219 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2289 [2021-04-28 21:33:57,220 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 120 transitions, 817 flow [2021-04-28 21:33:57,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 260.0) internal successors, (1040), 4 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:57,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:33:57,221 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:33:57,221 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 21:33:57,221 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:33:57,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:33:57,222 INFO L82 PathProgramCache]: Analyzing trace with hash 802441066, now seen corresponding path program 1 times [2021-04-28 21:33:57,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:33:57,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612690830] [2021-04-28 21:33:57,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:33:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:33:57,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:57,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:57,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:57,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:57,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:57,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:57,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:57,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 21:33:57,354 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 21:33:57,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 21:33:57,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:33:57,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:33:57,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:33:57,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612690830] [2021-04-28 21:33:57,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:33:57,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 21:33:57,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755050755] [2021-04-28 21:33:57,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 21:33:57,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:33:57,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 21:33:57,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 21:33:57,390 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 380 [2021-04-28 21:33:57,392 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 120 transitions, 817 flow. Second operand has 7 states, 7 states have (on average 286.85714285714283) internal successors, (2008), 7 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:33:57,392 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:33:57,392 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 380 [2021-04-28 21:33:57,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:34:00,413 INFO L129 PetriNetUnfolder]: 10299/18161 cut-off events. [2021-04-28 21:34:00,414 INFO L130 PetriNetUnfolder]: For 50211/163138 co-relation queries the response was YES. [2021-04-28 21:34:00,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85297 conditions, 18161 events. 10299/18161 cut-off events. For 50211/163138 co-relation queries the response was YES. Maximal size of possible extension queue 4575. Compared 178789 event pairs, 0 based on Foata normal form. 1580/7682 useless extension candidates. Maximal degree in co-relation 85266. Up to 8640 conditions per place. [2021-04-28 21:34:00,542 INFO L132 encePairwiseOnDemand]: 365/380 looper letters, 2 selfloop transitions, 89 changer transitions 14/133 dead transitions. [2021-04-28 21:34:00,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 133 transitions, 1175 flow [2021-04-28 21:34:00,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 21:34:00,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 21:34:00,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3251 transitions. [2021-04-28 21:34:00,556 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7777511961722487 [2021-04-28 21:34:00,556 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3251 transitions. [2021-04-28 21:34:00,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3251 transitions. [2021-04-28 21:34:00,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:34:00,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3251 transitions. [2021-04-28 21:34:00,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 295.54545454545456) internal successors, (3251), 11 states have internal predecessors, (3251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:34:00,577 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 380.0) internal successors, (4560), 12 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:34:00,578 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 380.0) internal successors, (4560), 12 states have internal predecessors, (4560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:34:00,578 INFO L185 Difference]: Start difference. First operand has 82 places, 120 transitions, 817 flow. Second operand 11 states and 3251 transitions. [2021-04-28 21:34:00,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 133 transitions, 1175 flow [2021-04-28 21:34:04,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 133 transitions, 1157 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-04-28 21:34:04,457 INFO L241 Difference]: Finished difference. Result has 92 places, 119 transitions, 1021 flow [2021-04-28 21:34:04,458 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1021, PETRI_PLACES=92, PETRI_TRANSITIONS=119} [2021-04-28 21:34:04,458 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -61 predicate places. [2021-04-28 21:34:04,458 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:34:04,458 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 119 transitions, 1021 flow [2021-04-28 21:34:04,458 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 119 transitions, 1021 flow [2021-04-28 21:34:04,459 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 119 transitions, 1021 flow [2021-04-28 21:34:05,313 INFO L129 PetriNetUnfolder]: 5466/10149 cut-off events. [2021-04-28 21:34:05,314 INFO L130 PetriNetUnfolder]: For 20879/26327 co-relation queries the response was YES. [2021-04-28 21:34:05,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46633 conditions, 10149 events. 5466/10149 cut-off events. For 20879/26327 co-relation queries the response was YES. Maximal size of possible extension queue 2345. Compared 102802 event pairs, 0 based on Foata normal form. 10/3632 useless extension candidates. Maximal degree in co-relation 46602. Up to 4860 conditions per place. [2021-04-28 21:34:05,421 INFO L146 LiptonReduction]: Number of co-enabled transitions 2222 [2021-04-28 21:34:05,783 INFO L158 LiptonReduction]: Checked pairs total: 988 [2021-04-28 21:34:05,783 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 21:34:05,783 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1325 [2021-04-28 21:34:05,784 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 119 transitions, 1025 flow [2021-04-28 21:34:05,785 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 286.85714285714283) internal successors, (2008), 7 states have internal predecessors, (2008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:34:05,785 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:34:05,785 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:34:05,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 21:34:05,785 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:34:05,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:34:05,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1335006531, now seen corresponding path program 1 times [2021-04-28 21:34:05,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:34:05,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125284572] [2021-04-28 21:34:05,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:34:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 21:34:05,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:34:05,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 21:34:05,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:34:05,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:34:05,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 21:34:05,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 21:34:05,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 21:34:05,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125284572] [2021-04-28 21:34:05,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 21:34:05,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 21:34:05,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829233764] [2021-04-28 21:34:05,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 21:34:05,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 21:34:05,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 21:34:05,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 21:34:05,879 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 382 [2021-04-28 21:34:05,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 119 transitions, 1025 flow. Second operand has 4 states, 4 states have (on average 265.0) internal successors, (1060), 4 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:34:05,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 21:34:05,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 382 [2021-04-28 21:34:05,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 21:34:07,754 INFO L129 PetriNetUnfolder]: 10011/18440 cut-off events. [2021-04-28 21:34:07,754 INFO L130 PetriNetUnfolder]: For 50919/91417 co-relation queries the response was YES. [2021-04-28 21:34:07,839 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85493 conditions, 18440 events. 10011/18440 cut-off events. For 50919/91417 co-relation queries the response was YES. Maximal size of possible extension queue 4653. Compared 190997 event pairs, 0 based on Foata normal form. 89/6464 useless extension candidates. Maximal degree in co-relation 85460. Up to 8910 conditions per place. [2021-04-28 21:34:07,855 INFO L132 encePairwiseOnDemand]: 379/382 looper letters, 3 selfloop transitions, 1 changer transitions 16/120 dead transitions. [2021-04-28 21:34:07,855 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 120 transitions, 1037 flow [2021-04-28 21:34:07,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 21:34:07,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 21:34:07,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1062 transitions. [2021-04-28 21:34:07,862 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6950261780104712 [2021-04-28 21:34:07,862 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1062 transitions. [2021-04-28 21:34:07,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1062 transitions. [2021-04-28 21:34:07,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 21:34:07,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1062 transitions. [2021-04-28 21:34:07,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 265.5) internal successors, (1062), 4 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:34:07,868 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:34:07,868 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:34:07,869 INFO L185 Difference]: Start difference. First operand has 89 places, 119 transitions, 1025 flow. Second operand 4 states and 1062 transitions. [2021-04-28 21:34:07,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 120 transitions, 1037 flow [2021-04-28 21:34:19,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 120 transitions, 740 flow, removed 66 selfloop flow, removed 11 redundant places. [2021-04-28 21:34:19,709 INFO L241 Difference]: Finished difference. Result has 83 places, 104 transitions, 626 flow [2021-04-28 21:34:19,709 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=728, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=626, PETRI_PLACES=83, PETRI_TRANSITIONS=104} [2021-04-28 21:34:19,709 INFO L343 CegarLoopForPetriNet]: 153 programPoint places, -70 predicate places. [2021-04-28 21:34:19,709 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 21:34:19,710 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 104 transitions, 626 flow [2021-04-28 21:34:19,710 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 104 transitions, 626 flow [2021-04-28 21:34:19,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 104 transitions, 626 flow [2021-04-28 21:34:20,120 INFO L129 PetriNetUnfolder]: 3261/6620 cut-off events. [2021-04-28 21:34:20,121 INFO L130 PetriNetUnfolder]: For 7449/8254 co-relation queries the response was YES. [2021-04-28 21:34:20,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23499 conditions, 6620 events. 3261/6620 cut-off events. For 7449/8254 co-relation queries the response was YES. Maximal size of possible extension queue 1824. Compared 66274 event pairs, 0 based on Foata normal form. 4/2488 useless extension candidates. Maximal degree in co-relation 23471. Up to 2700 conditions per place. [2021-04-28 21:34:20,194 INFO L146 LiptonReduction]: Number of co-enabled transitions 1368 [2021-04-28 21:34:21,568 INFO L158 LiptonReduction]: Checked pairs total: 66 [2021-04-28 21:34:21,568 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 21:34:21,568 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1859 [2021-04-28 21:34:21,572 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 104 transitions, 629 flow [2021-04-28 21:34:21,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 265.0) internal successors, (1060), 4 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 21:34:21,572 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 21:34:21,573 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 21:34:21,573 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 21:34:21,573 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 21:34:21,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 21:34:21,573 INFO L82 PathProgramCache]: Analyzing trace with hash -2062250049, now seen corresponding path program 1 times [2021-04-28 21:34:21,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 21:34:21,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919284670] [2021-04-28 21:34:21,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 21:34:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 21:34:21,655 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 21:34:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 21:34:21,725 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 21:34:21,797 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 21:34:21,797 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 21:34:21,798 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 21:34:21,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 09:34:21 BasicIcfg [2021-04-28 21:34:21,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 21:34:21,943 INFO L168 Benchmark]: Toolchain (without parser) took 220211.80 ms. Allocated memory was 302.0 MB in the beginning and 10.3 GB in the end (delta: 10.0 GB). Free memory was 275.0 MB in the beginning and 8.7 GB in the end (delta: -8.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.0 GB. [2021-04-28 21:34:21,943 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory is still 270.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 21:34:21,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 864.91 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 265.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.0 GB. [2021-04-28 21:34:21,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.72 ms. Allocated memory is still 302.0 MB. Free memory was 265.0 MB in the beginning and 261.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 21:34:21,944 INFO L168 Benchmark]: Boogie Preprocessor took 43.05 ms. Allocated memory is still 302.0 MB. Free memory was 261.8 MB in the beginning and 259.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 21:34:21,944 INFO L168 Benchmark]: RCFGBuilder took 2427.36 ms. Allocated memory was 302.0 MB in the beginning and 398.5 MB in the end (delta: 96.5 MB). Free memory was 259.7 MB in the beginning and 311.1 MB in the end (delta: -51.4 MB). Peak memory consumption was 151.0 MB. Max. memory is 16.0 GB. [2021-04-28 21:34:21,944 INFO L168 Benchmark]: TraceAbstraction took 216705.14 ms. Allocated memory was 398.5 MB in the beginning and 10.3 GB in the end (delta: 9.9 GB). Free memory was 310.0 MB in the beginning and 8.7 GB in the end (delta: -8.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.0 GB. [2021-04-28 21:34:21,946 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory is still 270.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 864.91 ms. Allocated memory is still 302.0 MB. Free memory was 271.9 MB in the beginning and 265.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 105.72 ms. Allocated memory is still 302.0 MB. Free memory was 265.0 MB in the beginning and 261.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 43.05 ms. Allocated memory is still 302.0 MB. Free memory was 261.8 MB in the beginning and 259.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2427.36 ms. Allocated memory was 302.0 MB in the beginning and 398.5 MB in the end (delta: 96.5 MB). Free memory was 259.7 MB in the beginning and 311.1 MB in the end (delta: -51.4 MB). Peak memory consumption was 151.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 216705.14 ms. Allocated memory was 398.5 MB in the beginning and 10.3 GB in the end (delta: 9.9 GB). Free memory was 310.0 MB in the beginning and 8.7 GB in the end (delta: -8.4 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 155461.2ms, 124 PlacesBefore, 153 PlacesAfterwards, 113 TransitionsBefore, 142 TransitionsAfterwards, 2598 CoEnabledTransitionPairs, 9 FixpointIterations, 170 TrivialSequentialCompositions, 91 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 262 TotalNumberOfCompositions, 24899 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5473, positive: 5125, positive conditional: 5125, positive unconditional: 0, negative: 348, negative conditional: 348, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2821, positive: 2757, positive conditional: 0, positive unconditional: 2757, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2821, positive: 2757, positive conditional: 0, positive unconditional: 2757, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2821, positive: 2718, positive conditional: 0, positive unconditional: 2718, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 103, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1702, positive: 142, positive conditional: 0, positive unconditional: 142, negative: 1560, negative conditional: 0, negative unconditional: 1560, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5473, positive: 2368, positive conditional: 2368, positive unconditional: 0, negative: 284, negative conditional: 284, negative unconditional: 0, unknown: 2821, unknown conditional: 2821, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2821, Positive cache size: 2757, Positive conditional cache size: 2757, Positive unconditional cache size: 0, Negative cache size: 64, Negative conditional cache size: 64, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 454.2ms, 148 PlacesBefore, 60 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 1464 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1426 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 411, positive: 371, positive conditional: 371, positive unconditional: 0, negative: 40, negative conditional: 40, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 116, positive: 104, positive conditional: 24, positive unconditional: 80, negative: 12, negative conditional: 5, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 116, positive: 104, positive conditional: 24, positive unconditional: 80, negative: 12, negative conditional: 5, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 116, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 12, negative conditional: 5, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 432, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 406, negative conditional: 217, negative unconditional: 189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 411, positive: 267, positive conditional: 267, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 116, unknown conditional: 116, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2937, Positive cache size: 2861, Positive conditional cache size: 2861, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 939.9ms, 61 PlacesBefore, 49 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 806 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1926 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 551, positive: 476, positive conditional: 476, positive unconditional: 0, negative: 75, negative conditional: 75, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63, positive: 48, positive conditional: 24, positive unconditional: 24, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 63, positive: 48, positive conditional: 24, positive unconditional: 24, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 63, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 579, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 561, negative conditional: 53, negative unconditional: 508, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 551, positive: 428, positive conditional: 428, positive unconditional: 0, negative: 60, negative conditional: 60, negative unconditional: 0, unknown: 63, unknown conditional: 63, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3000, Positive cache size: 2909, Positive conditional cache size: 2909, Positive unconditional cache size: 0, Negative cache size: 91, Negative conditional cache size: 91, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 135.7ms, 51 PlacesBefore, 49 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 744 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 709 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 196, positive: 167, positive conditional: 167, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 27, positive conditional: 8, positive unconditional: 19, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31, positive: 27, positive conditional: 8, positive unconditional: 19, 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: 31, positive: 27, positive conditional: 0, positive unconditional: 27, 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: 121, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 121, negative conditional: 0, negative unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 196, positive: 140, positive conditional: 140, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3031, Positive cache size: 2936, Positive conditional cache size: 2936, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 97.4ms, 53 PlacesBefore, 53 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 852 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 445 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 107, positive: 92, positive conditional: 92, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 1, positive unconditional: 9, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 1, positive unconditional: 9, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 107, positive: 82, positive conditional: 82, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3044, Positive cache size: 2946, Positive conditional cache size: 2946, Positive unconditional cache size: 0, Negative cache size: 98, Negative conditional cache size: 98, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.7ms, 58 PlacesBefore, 58 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 986 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 518 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 136, positive: 120, positive conditional: 120, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 13, positive conditional: 11, positive unconditional: 2, 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: 13, positive: 13, positive conditional: 0, positive unconditional: 13, 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: 136, positive: 107, positive conditional: 107, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3057, Positive cache size: 2959, Positive conditional cache size: 2959, Positive unconditional cache size: 0, Negative cache size: 98, Negative conditional cache size: 98, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.8ms, 62 PlacesBefore, 62 PlacesAfterwards, 45 TransitionsBefore, 45 TransitionsAfterwards, 984 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 514 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 140, positive: 124, positive conditional: 124, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 10, positive conditional: 10, 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: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 140, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3067, Positive cache size: 2969, Positive conditional cache size: 2969, Positive unconditional cache size: 0, Negative cache size: 98, Negative conditional cache size: 98, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2384.7ms, 65 PlacesBefore, 65 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 1590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 882 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 221, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54, positive: 54, positive conditional: 46, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 54, positive: 54, positive conditional: 46, positive unconditional: 8, 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: 54, positive: 54, positive conditional: 0, positive unconditional: 54, 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: 221, positive: 150, positive conditional: 150, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3121, Positive cache size: 3023, Positive conditional cache size: 3023, Positive unconditional cache size: 0, Negative cache size: 98, Negative conditional cache size: 98, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1945.9ms, 73 PlacesBefore, 73 PlacesAfterwards, 95 TransitionsBefore, 95 TransitionsAfterwards, 2244 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1636 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 301, positive: 278, positive conditional: 278, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 53, positive conditional: 39, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 53, positive: 53, positive conditional: 39, positive unconditional: 14, 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: 53, positive: 53, positive conditional: 0, positive unconditional: 53, 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: 301, positive: 225, positive conditional: 225, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 53, unknown conditional: 53, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3174, Positive cache size: 3076, Positive conditional cache size: 3076, Positive unconditional cache size: 0, Negative cache size: 98, Negative conditional cache size: 98, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1516.2ms, 81 PlacesBefore, 81 PlacesAfterwards, 119 TransitionsBefore, 119 TransitionsAfterwards, 2516 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2370 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 528, positive: 499, positive conditional: 499, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 80, positive: 80, positive conditional: 79, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 80, positive: 80, positive conditional: 79, positive unconditional: 1, 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: 80, positive: 80, positive conditional: 0, positive unconditional: 80, 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: 528, positive: 419, positive conditional: 419, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3254, Positive cache size: 3156, Positive conditional cache size: 3156, Positive unconditional cache size: 0, Negative cache size: 98, Negative conditional cache size: 98, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2288.0ms, 82 PlacesBefore, 82 PlacesAfterwards, 120 TransitionsBefore, 120 TransitionsAfterwards, 2602 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 448 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 82, positive: 76, positive conditional: 76, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 16, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 16, positive unconditional: 3, 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: 19, positive: 19, positive conditional: 0, positive unconditional: 19, 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: 82, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3273, Positive cache size: 3175, Positive conditional cache size: 3175, Positive unconditional cache size: 0, Negative cache size: 98, Negative conditional cache size: 98, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1324.8ms, 92 PlacesBefore, 89 PlacesAfterwards, 119 TransitionsBefore, 119 TransitionsAfterwards, 2222 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 988 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 299, positive: 287, positive conditional: 287, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 111, positive: 111, positive conditional: 101, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 111, positive: 111, positive conditional: 101, positive unconditional: 10, 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: 111, positive: 111, positive conditional: 0, positive unconditional: 111, 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: 299, positive: 176, positive conditional: 176, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 111, unknown conditional: 111, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3384, Positive cache size: 3286, Positive conditional cache size: 3286, Positive unconditional cache size: 0, Negative cache size: 98, Negative conditional cache size: 98, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1858.4ms, 83 PlacesBefore, 79 PlacesAfterwards, 104 TransitionsBefore, 104 TransitionsAfterwards, 1368 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 66 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 66, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, positive: 66, positive conditional: 52, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66, positive: 66, positive conditional: 52, positive unconditional: 14, 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: 66, positive: 66, positive conditional: 0, positive unconditional: 66, 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: 66, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 66, unknown conditional: 66, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3450, Positive cache size: 3352, Positive conditional cache size: 3352, Positive unconditional cache size: 0, Negative cache size: 98, Negative conditional cache size: 98, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L720] 0 int b = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L728] 0 int z = 0; [L729] 0 _Bool z$flush_delayed; [L730] 0 int z$mem_tmp; [L731] 0 _Bool z$r_buff0_thd0; [L732] 0 _Bool z$r_buff0_thd1; [L733] 0 _Bool z$r_buff0_thd2; [L734] 0 _Bool z$r_buff0_thd3; [L735] 0 _Bool z$r_buff0_thd4; [L736] 0 _Bool z$r_buff1_thd0; [L737] 0 _Bool z$r_buff1_thd1; [L738] 0 _Bool z$r_buff1_thd2; [L739] 0 _Bool z$r_buff1_thd3; [L740] 0 _Bool z$r_buff1_thd4; [L741] 0 _Bool z$read_delayed; [L742] 0 int *z$read_delayed_var; [L743] 0 int z$w_buff0; [L744] 0 _Bool z$w_buff0_used; [L745] 0 int z$w_buff1; [L746] 0 _Bool z$w_buff1_used; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L846] 0 pthread_t t1245; [L847] FCALL, FORK 0 pthread_create(&t1245, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L848] 0 pthread_t t1246; [L849] FCALL, FORK 0 pthread_create(&t1246, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1247; [L851] FCALL, FORK 0 pthread_create(&t1247, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L852] 0 pthread_t t1248; [L853] FCALL, FORK 0 pthread_create(&t1248, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L802] 4 z$w_buff1 = z$w_buff0 [L803] 4 z$w_buff0 = 2 [L804] 4 z$w_buff1_used = z$w_buff0_used [L805] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L807] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L808] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L809] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L810] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L811] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L812] 4 z$r_buff0_thd4 = (_Bool)1 [L815] 4 a = 1 [L818] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L821] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 1 [L770] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L762] 1 return 0; [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L777] 2 return 0; [L785] 3 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L824] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L824] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L825] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L825] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L826] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L827] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L827] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L828] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L828] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L788] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L788] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L788] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L789] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L789] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L790] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L791] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L791] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L792] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L792] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L795] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 3 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L859] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L859] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L859] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L860] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L860] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L861] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L862] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L862] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L863] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L863] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L866] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L867] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L868] 0 z$flush_delayed = weak$$choice2 [L869] 0 z$mem_tmp = z [L870] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L870] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L871] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L871] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L871] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L871] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L872] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L872] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L872] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L872] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L873] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L873] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used) [L873] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L873] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L874] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L874] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L875] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L875] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L875] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L876] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L876] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L878] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L878] 0 z = z$flush_delayed ? z$mem_tmp : z [L879] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 116 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 19.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 216383.8ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 43505.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 155583.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 55 SDtfs, 52 SDslu, 32 SDs, 0 SdLazy, 591 SolverSat, 255 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1431.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2288.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1077occurred in iteration=9, InterpolantAutomatonStates: 64, 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: 109.0ms SsaConstructionTime, 801.2ms SatisfiabilityAnalysisTime, 2773.5ms InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 1766 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...