/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-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-lit/fkp2013-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 07:05:07,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 07:05:07,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 07:05:07,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 07:05:07,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 07:05:07,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 07:05:07,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 07:05:07,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 07:05:07,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 07:05:07,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 07:05:07,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 07:05:07,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 07:05:07,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 07:05:07,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 07:05:07,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 07:05:07,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 07:05:07,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 07:05:07,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 07:05:07,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 07:05:07,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 07:05:07,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 07:05:07,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 07:05:07,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 07:05:07,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 07:05:07,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-11 07:05:07,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-11 07:05:07,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-11 07:05:07,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-11 07:05:07,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-11 07:05:07,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-11 07:05:07,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 07:05:07,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 07:05:07,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 07:05:07,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 07:05:07,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 07:05:07,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 07:05:07,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 07:05:07,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 07:05:07,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 07:05:07,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 07:05:07,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 07:05:07,309 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-RepeatedSemanticLbe.epf [2021-06-11 07:05:07,329 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 07:05:07,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 07:05:07,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 07:05:07,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 07:05:07,331 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 07:05:07,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 07:05:07,331 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 07:05:07,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 07:05:07,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 07:05:07,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 07:05:07,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 07:05:07,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 07:05:07,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 07:05:07,331 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 07:05:07,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 07:05:07,332 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 07:05:07,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 07:05:07,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 07:05:07,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 07:05:07,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 07:05:07,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 07:05:07,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 07:05:07,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 07:05:07,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 07:05:07,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 07:05:07,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 07:05:07,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 07:05:07,333 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 07:05:07,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 07:05:07,333 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 07:05:07,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 07:05:07,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 07:05:07,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 07:05:07,578 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 07:05:07,578 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 07:05:07,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/fkp2013-2.i [2021-06-11 07:05:07,633 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d51ed4be1/945711ee7cf344d39371d5671f86e1ca/FLAG3397499c8 [2021-06-11 07:05:08,096 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 07:05:08,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/fkp2013-2.i [2021-06-11 07:05:08,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d51ed4be1/945711ee7cf344d39371d5671f86e1ca/FLAG3397499c8 [2021-06-11 07:05:08,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d51ed4be1/945711ee7cf344d39371d5671f86e1ca [2021-06-11 07:05:08,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 07:05:08,241 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 07:05:08,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 07:05:08,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 07:05:08,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 07:05:08,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 07:05:08" (1/1) ... [2021-06-11 07:05:08,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66dcfb39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:05:08, skipping insertion in model container [2021-06-11 07:05:08,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 07:05:08" (1/1) ... [2021-06-11 07:05:08,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 07:05:08,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 07:05:08,663 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-lit/fkp2013-2.i[30003,30016] [2021-06-11 07:05:08,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 07:05:08,684 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 07:05:08,717 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-lit/fkp2013-2.i[30003,30016] [2021-06-11 07:05:08,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 07:05:08,768 INFO L208 MainTranslator]: Completed translation [2021-06-11 07:05:08,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:05:08 WrapperNode [2021-06-11 07:05:08,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 07:05:08,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 07:05:08,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 07:05:08,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 07:05:08,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:05:08" (1/1) ... [2021-06-11 07:05:08,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:05:08" (1/1) ... [2021-06-11 07:05:08,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 07:05:08,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 07:05:08,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 07:05:08,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 07:05:08,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:05:08" (1/1) ... [2021-06-11 07:05:08,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:05:08" (1/1) ... [2021-06-11 07:05:08,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:05:08" (1/1) ... [2021-06-11 07:05:08,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:05:08" (1/1) ... [2021-06-11 07:05:08,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:05:08" (1/1) ... [2021-06-11 07:05:08,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:05:08" (1/1) ... [2021-06-11 07:05:08,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:05:08" (1/1) ... [2021-06-11 07:05:08,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 07:05:08,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 07:05:08,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 07:05:08,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 07:05:08,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:05:08" (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 [2021-06-11 07:05:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-06-11 07:05:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-06-11 07:05:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-11 07:05:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-11 07:05:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 07:05:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 07:05:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 07:05:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 07:05:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 07:05:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 07:05:08,882 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 07:05:09,154 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 07:05:09,154 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-06-11 07:05:09,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 07:05:09 BoogieIcfgContainer [2021-06-11 07:05:09,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 07:05:09,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 07:05:09,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 07:05:09,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 07:05:09,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 07:05:08" (1/3) ... [2021-06-11 07:05:09,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@886b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 07:05:09, skipping insertion in model container [2021-06-11 07:05:09,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 07:05:08" (2/3) ... [2021-06-11 07:05:09,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@886b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 07:05:09, skipping insertion in model container [2021-06-11 07:05:09,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 07:05:09" (3/3) ... [2021-06-11 07:05:09,161 INFO L111 eAbstractionObserver]: Analyzing ICFG fkp2013-2.i [2021-06-11 07:05:09,165 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 07:05:09,168 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-06-11 07:05:09,169 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 07:05:09,191 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,191 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,191 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,191 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,192 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,192 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,192 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,193 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,193 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,194 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,194 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,194 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,195 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,195 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,196 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,196 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,200 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,200 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,201 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,201 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,205 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:09,206 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 07:05:09,219 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-11 07:05:09,244 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:05:09,244 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:05:09,244 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:05:09,244 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:05:09,244 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:05:09,244 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:05:09,244 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:05:09,244 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:05:09,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 56 transitions, 122 flow [2021-06-11 07:05:09,286 INFO L129 PetriNetUnfolder]: 3/66 cut-off events. [2021-06-11 07:05:09,286 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:09,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 66 events. 3/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 104 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 50. Up to 4 conditions per place. [2021-06-11 07:05:09,297 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 56 transitions, 122 flow [2021-06-11 07:05:09,301 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 55 transitions, 118 flow [2021-06-11 07:05:09,302 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:09,311 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 55 transitions, 118 flow [2021-06-11 07:05:09,314 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 55 transitions, 118 flow [2021-06-11 07:05:09,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 55 transitions, 118 flow [2021-06-11 07:05:09,332 INFO L129 PetriNetUnfolder]: 3/66 cut-off events. [2021-06-11 07:05:09,332 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:09,333 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 66 events. 3/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 100 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 50. Up to 4 conditions per place. [2021-06-11 07:05:09,335 INFO L151 LiptonReduction]: Number of co-enabled transitions 742 [2021-06-11 07:05:09,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:09,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:09,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:09,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:09,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:09,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:09,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:09,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:09,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:09,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:09,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:09,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:09,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:09,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:09,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:09,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:09,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:09,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:09,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,152 INFO L142 QuantifierPusher]: treesize reduction 8, result has 33.3 percent of original size [2021-06-11 07:05:10,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,446 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-06-11 07:05:10,451 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:05:10,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:10,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:10,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:10,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:10,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:10,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:10,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:10,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:10,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:10,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:10,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:10,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:10,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 07:05:10,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:10,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:10,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:10,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:10,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:10,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:11,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:11,000 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:11,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:11,003 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:11,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:11,227 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-06-11 07:05:11,463 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-06-11 07:05:11,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 07:05:11,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-06-11 07:05:11,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-06-11 07:05:11,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:11,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,561 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 07:05:11,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-11 07:05:11,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:11,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-06-11 07:05:11,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 07:05:11,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:11,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:11,870 INFO L163 LiptonReduction]: Checked pairs total: 620 [2021-06-11 07:05:11,870 INFO L165 LiptonReduction]: Total number of compositions: 54 [2021-06-11 07:05:11,872 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2570 [2021-06-11 07:05:11,881 INFO L129 PetriNetUnfolder]: 0/4 cut-off events. [2021-06-11 07:05:11,881 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:11,881 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:11,882 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 07:05:11,882 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:11,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:11,886 INFO L82 PathProgramCache]: Analyzing trace with hash 225716, now seen corresponding path program 1 times [2021-06-11 07:05:11,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:11,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389734272] [2021-06-11 07:05:11,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:11,984 INFO L142 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size [2021-06-11 07:05:11,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:11,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389734272] [2021-06-11 07:05:11,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:11,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 07:05:11,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360685286] [2021-06-11 07:05:12,000 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:05:12,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:12,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:05:12,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:05:12,009 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 110 [2021-06-11 07:05:12,011 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 12 transitions, 32 flow. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:12,011 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:12,011 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 110 [2021-06-11 07:05:12,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:12,031 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-06-11 07:05:12,032 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:12,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 15 events. 0/15 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 23 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-06-11 07:05:12,032 INFO L132 encePairwiseOnDemand]: 105/110 looper letters, 2 selfloop transitions, 3 changer transitions 0/12 dead transitions. [2021-06-11 07:05:12,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 12 transitions, 42 flow [2021-06-11 07:05:12,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:05:12,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:05:12,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 239 transitions. [2021-06-11 07:05:12,042 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7242424242424242 [2021-06-11 07:05:12,042 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 239 transitions. [2021-06-11 07:05:12,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 239 transitions. [2021-06-11 07:05:12,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:12,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 239 transitions. [2021-06-11 07:05:12,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:12,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:12,053 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:12,054 INFO L185 Difference]: Start difference. First operand has 18 places, 12 transitions, 32 flow. Second operand 3 states and 239 transitions. [2021-06-11 07:05:12,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 12 transitions, 42 flow [2021-06-11 07:05:12,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 12 transitions, 41 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:12,057 INFO L241 Difference]: Finished difference. Result has 20 places, 12 transitions, 47 flow [2021-06-11 07:05:12,058 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=47, PETRI_PLACES=20, PETRI_TRANSITIONS=12} [2021-06-11 07:05:12,058 INFO L343 CegarLoopForPetriNet]: 18 programPoint places, 2 predicate places. [2021-06-11 07:05:12,059 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:12,059 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 12 transitions, 47 flow [2021-06-11 07:05:12,059 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 12 transitions, 47 flow [2021-06-11 07:05:12,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 20 places, 12 transitions, 47 flow [2021-06-11 07:05:12,062 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-06-11 07:05:12,062 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 07:05:12,063 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 15 events. 0/15 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 21 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-06-11 07:05:12,063 INFO L151 LiptonReduction]: Number of co-enabled transitions 36 [2021-06-11 07:05:12,064 INFO L163 LiptonReduction]: Checked pairs total: 0 [2021-06-11 07:05:12,064 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:12,064 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-06-11 07:05:12,065 INFO L480 AbstractCegarLoop]: Abstraction has has 20 places, 12 transitions, 47 flow [2021-06-11 07:05:12,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:12,065 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:12,065 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:12,065 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-11 07:05:12,065 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:12,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:12,071 INFO L82 PathProgramCache]: Analyzing trace with hash -2026779057, now seen corresponding path program 1 times [2021-06-11 07:05:12,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:12,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042086948] [2021-06-11 07:05:12,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:12,104 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:12,114 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:12,125 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 07:05:12,125 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 07:05:12,126 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-11 07:05:12,126 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 07:05:12,126 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-06-11 07:05:12,132 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,132 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,132 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,132 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,132 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,132 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,132 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,132 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,132 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,132 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,133 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,133 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,133 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,133 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,133 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,133 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,133 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,133 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,133 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,133 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,133 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,133 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,133 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,133 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,133 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,134 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,134 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,134 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,134 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,134 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,134 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,134 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,134 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,134 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,134 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,134 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,134 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,135 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,136 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,136 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,136 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,136 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,136 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,136 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,136 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,136 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,137 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,137 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,137 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,137 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,137 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,137 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,137 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,137 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,137 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,137 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,137 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,137 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,137 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,137 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,138 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,138 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,138 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,138 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,138 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,139 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,140 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,140 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,140 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,141 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,141 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,141 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,141 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,141 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,141 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,141 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,141 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,142 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:12,142 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 07:05:12,142 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-11 07:05:12,143 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:05:12,143 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:05:12,143 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:05:12,143 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:05:12,143 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:05:12,143 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:05:12,143 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:05:12,143 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:05:12,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 75 transitions, 174 flow [2021-06-11 07:05:12,152 INFO L129 PetriNetUnfolder]: 4/88 cut-off events. [2021-06-11 07:05:12,152 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 07:05:12,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 88 events. 4/88 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 142 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 97. Up to 6 conditions per place. [2021-06-11 07:05:12,152 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 75 transitions, 174 flow [2021-06-11 07:05:12,153 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 62 transitions, 139 flow [2021-06-11 07:05:12,153 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:12,153 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 62 transitions, 139 flow [2021-06-11 07:05:12,153 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 62 transitions, 139 flow [2021-06-11 07:05:12,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 62 transitions, 139 flow [2021-06-11 07:05:12,159 INFO L129 PetriNetUnfolder]: 4/88 cut-off events. [2021-06-11 07:05:12,160 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 07:05:12,160 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 88 events. 4/88 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 149 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 76. Up to 6 conditions per place. [2021-06-11 07:05:12,161 INFO L151 LiptonReduction]: Number of co-enabled transitions 1172 [2021-06-11 07:05:12,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:12,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:12,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:12,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:12,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:12,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:12,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,427 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 07:05:12,428 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:05:12,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:12,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:05:12,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:12,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,829 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:12,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:12,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:12,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:12,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:12,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,833 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:12,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:12,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:12,835 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:12,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:12,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:12,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:12,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:12,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:13,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:13,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:13,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:13,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:13,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:13,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:13,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:13,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:13,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 07:05:13,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:13,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:13,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:13,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:13,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:13,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:13,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:13,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:13,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:13,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:13,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:13,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:13,885 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-06-11 07:05:14,283 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-06-11 07:05:14,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,372 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:14,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:14,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:14,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:14,380 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:14,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:14,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:14,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:14,394 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:14,394 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:14,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:14,402 INFO L163 LiptonReduction]: Checked pairs total: 1170 [2021-06-11 07:05:14,402 INFO L165 LiptonReduction]: Total number of compositions: 56 [2021-06-11 07:05:14,402 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2249 [2021-06-11 07:05:14,403 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2021-06-11 07:05:14,403 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:14,403 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:14,403 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 07:05:14,403 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:14,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:14,404 INFO L82 PathProgramCache]: Analyzing trace with hash 374572, now seen corresponding path program 1 times [2021-06-11 07:05:14,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:14,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541607637] [2021-06-11 07:05:14,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:14,434 INFO L142 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size [2021-06-11 07:05:14,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:14,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541607637] [2021-06-11 07:05:14,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:14,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 07:05:14,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834077261] [2021-06-11 07:05:14,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:05:14,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:14,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:05:14,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:05:14,437 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 131 [2021-06-11 07:05:14,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 16 transitions, 47 flow. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:14,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 131 [2021-06-11 07:05:14,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:14,452 INFO L129 PetriNetUnfolder]: 19/60 cut-off events. [2021-06-11 07:05:14,452 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-11 07:05:14,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 60 events. 19/60 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 183 event pairs, 8 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 111. Up to 28 conditions per place. [2021-06-11 07:05:14,453 INFO L132 encePairwiseOnDemand]: 125/131 looper letters, 8 selfloop transitions, 4 changer transitions 0/20 dead transitions. [2021-06-11 07:05:14,453 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 20 transitions, 79 flow [2021-06-11 07:05:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:05:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:05:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 288 transitions. [2021-06-11 07:05:14,456 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.732824427480916 [2021-06-11 07:05:14,456 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 288 transitions. [2021-06-11 07:05:14,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 288 transitions. [2021-06-11 07:05:14,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:14,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 288 transitions. [2021-06-11 07:05:14,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 96.0) internal successors, (288), 3 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,458 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,458 INFO L185 Difference]: Start difference. First operand has 24 places, 16 transitions, 47 flow. Second operand 3 states and 288 transitions. [2021-06-11 07:05:14,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 20 transitions, 79 flow [2021-06-11 07:05:14,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 20 transitions, 76 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:14,459 INFO L241 Difference]: Finished difference. Result has 26 places, 18 transitions, 72 flow [2021-06-11 07:05:14,459 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=26, PETRI_TRANSITIONS=18} [2021-06-11 07:05:14,459 INFO L343 CegarLoopForPetriNet]: 24 programPoint places, 2 predicate places. [2021-06-11 07:05:14,459 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:14,460 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 18 transitions, 72 flow [2021-06-11 07:05:14,460 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 18 transitions, 72 flow [2021-06-11 07:05:14,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 26 places, 18 transitions, 72 flow [2021-06-11 07:05:14,463 INFO L129 PetriNetUnfolder]: 6/35 cut-off events. [2021-06-11 07:05:14,463 INFO L130 PetriNetUnfolder]: For 7/10 co-relation queries the response was YES. [2021-06-11 07:05:14,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 35 events. 6/35 cut-off events. For 7/10 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 89 event pairs, 2 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 67. Up to 16 conditions per place. [2021-06-11 07:05:14,463 INFO L151 LiptonReduction]: Number of co-enabled transitions 104 [2021-06-11 07:05:14,464 INFO L163 LiptonReduction]: Checked pairs total: 38 [2021-06-11 07:05:14,464 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:14,464 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-06-11 07:05:14,464 INFO L480 AbstractCegarLoop]: Abstraction has has 26 places, 18 transitions, 72 flow [2021-06-11 07:05:14,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,465 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:14,465 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:14,465 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-11 07:05:14,465 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:14,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:14,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1482358348, now seen corresponding path program 1 times [2021-06-11 07:05:14,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:14,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832626428] [2021-06-11 07:05:14,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:14,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:14,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:14,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:14,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:14,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832626428] [2021-06-11 07:05:14,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:14,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:14,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810240567] [2021-06-11 07:05:14,501 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:14,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:14,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:14,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:14,503 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 131 [2021-06-11 07:05:14,503 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 18 transitions, 72 flow. Second operand has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,503 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:14,503 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 131 [2021-06-11 07:05:14,503 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:14,539 INFO L129 PetriNetUnfolder]: 15/67 cut-off events. [2021-06-11 07:05:14,540 INFO L130 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2021-06-11 07:05:14,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 67 events. 15/67 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 241 event pairs, 5 based on Foata normal form. 3/63 useless extension candidates. Maximal degree in co-relation 183. Up to 25 conditions per place. [2021-06-11 07:05:14,540 INFO L132 encePairwiseOnDemand]: 126/131 looper letters, 14 selfloop transitions, 9 changer transitions 0/30 dead transitions. [2021-06-11 07:05:14,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 30 transitions, 172 flow [2021-06-11 07:05:14,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:14,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:14,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 549 transitions. [2021-06-11 07:05:14,542 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6984732824427481 [2021-06-11 07:05:14,542 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 549 transitions. [2021-06-11 07:05:14,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 549 transitions. [2021-06-11 07:05:14,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:14,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 549 transitions. [2021-06-11 07:05:14,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,546 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 131.0) internal successors, (917), 7 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,546 INFO L185 Difference]: Start difference. First operand has 26 places, 18 transitions, 72 flow. Second operand 6 states and 549 transitions. [2021-06-11 07:05:14,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 30 transitions, 172 flow [2021-06-11 07:05:14,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 30 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 07:05:14,547 INFO L241 Difference]: Finished difference. Result has 32 places, 24 transitions, 125 flow [2021-06-11 07:05:14,548 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=131, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=125, PETRI_PLACES=32, PETRI_TRANSITIONS=24} [2021-06-11 07:05:14,548 INFO L343 CegarLoopForPetriNet]: 24 programPoint places, 8 predicate places. [2021-06-11 07:05:14,548 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:14,548 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 24 transitions, 125 flow [2021-06-11 07:05:14,549 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 24 transitions, 125 flow [2021-06-11 07:05:14,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 32 places, 24 transitions, 125 flow [2021-06-11 07:05:14,552 INFO L129 PetriNetUnfolder]: 4/46 cut-off events. [2021-06-11 07:05:14,553 INFO L130 PetriNetUnfolder]: For 36/45 co-relation queries the response was YES. [2021-06-11 07:05:14,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 46 events. 4/46 cut-off events. For 36/45 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 160 event pairs, 1 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 112. Up to 22 conditions per place. [2021-06-11 07:05:14,553 INFO L151 LiptonReduction]: Number of co-enabled transitions 146 [2021-06-11 07:05:14,554 INFO L163 LiptonReduction]: Checked pairs total: 32 [2021-06-11 07:05:14,554 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:14,554 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-06-11 07:05:14,555 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 24 transitions, 125 flow [2021-06-11 07:05:14,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:14,555 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:14,555 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:14,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-11 07:05:14,556 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:14,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:14,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1381868389, now seen corresponding path program 1 times [2021-06-11 07:05:14,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:14,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316776070] [2021-06-11 07:05:14,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:14,573 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:14,581 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:14,585 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 07:05:14,585 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 07:05:14,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 07:05:14,585 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 07:05:14,586 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-06-11 07:05:14,595 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,595 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,595 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,595 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,595 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,595 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,595 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,595 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,595 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,595 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,595 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,595 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,596 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,596 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,596 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,596 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,596 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,596 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,596 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,596 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,596 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,596 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,596 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,596 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,596 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,596 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,596 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,597 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,598 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,598 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,598 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,598 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,598 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,598 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,598 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,598 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,598 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,598 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,598 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,598 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,598 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,599 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,600 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,601 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,602 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,603 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,603 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,603 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,604 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,604 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,604 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,605 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,605 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,605 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,606 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,606 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,606 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,606 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,606 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,606 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,607 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,607 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,607 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,607 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,607 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,607 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,608 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,608 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,608 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,608 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,608 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,608 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:14,609 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 07:05:14,609 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-11 07:05:14,610 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:05:14,610 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:05:14,610 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:05:14,610 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:05:14,610 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:05:14,610 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:05:14,610 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:05:14,610 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:05:14,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 94 transitions, 230 flow [2021-06-11 07:05:14,617 INFO L129 PetriNetUnfolder]: 5/110 cut-off events. [2021-06-11 07:05:14,617 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-06-11 07:05:14,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 110 events. 5/110 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 195 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 124. Up to 8 conditions per place. [2021-06-11 07:05:14,618 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 94 transitions, 230 flow [2021-06-11 07:05:14,618 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 69 transitions, 162 flow [2021-06-11 07:05:14,618 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:14,619 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 69 transitions, 162 flow [2021-06-11 07:05:14,619 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 69 transitions, 162 flow [2021-06-11 07:05:14,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 69 transitions, 162 flow [2021-06-11 07:05:14,641 INFO L129 PetriNetUnfolder]: 5/110 cut-off events. [2021-06-11 07:05:14,641 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-06-11 07:05:14,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 110 events. 5/110 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 177 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 103. Up to 8 conditions per place. [2021-06-11 07:05:14,643 INFO L151 LiptonReduction]: Number of co-enabled transitions 1686 [2021-06-11 07:05:14,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:14,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:14,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:14,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:14,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:14,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:14,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:14,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:14,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:14,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:14,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:14,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:14,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:14,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:14,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:14,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:14,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,021 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 07:05:15,022 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:05:15,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:15,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:15,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 07:05:15,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:15,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:15,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:16,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:16,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:16,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:16,596 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-06-11 07:05:16,892 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-06-11 07:05:16,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:16,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:16,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:16,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:16,982 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:16,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:16,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:16,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:16,984 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:16,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:16,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:16,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:16,988 INFO L163 LiptonReduction]: Checked pairs total: 1891 [2021-06-11 07:05:16,988 INFO L165 LiptonReduction]: Total number of compositions: 59 [2021-06-11 07:05:16,988 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2370 [2021-06-11 07:05:16,990 INFO L129 PetriNetUnfolder]: 0/5 cut-off events. [2021-06-11 07:05:16,990 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:16,990 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:16,990 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 07:05:16,990 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:16,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:16,990 INFO L82 PathProgramCache]: Analyzing trace with hash 545247, now seen corresponding path program 1 times [2021-06-11 07:05:16,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:16,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610027350] [2021-06-11 07:05:16,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:17,003 INFO L142 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size [2021-06-11 07:05:17,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:17,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:17,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610027350] [2021-06-11 07:05:17,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:17,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 07:05:17,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562267856] [2021-06-11 07:05:17,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:05:17,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:17,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:05:17,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:05:17,006 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 153 [2021-06-11 07:05:17,007 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 19 transitions, 62 flow. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:17,007 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:17,007 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 153 [2021-06-11 07:05:17,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:17,030 INFO L129 PetriNetUnfolder]: 123/232 cut-off events. [2021-06-11 07:05:17,030 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-06-11 07:05:17,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 232 events. 123/232 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 935 event pairs, 48 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 456. Up to 149 conditions per place. [2021-06-11 07:05:17,032 INFO L132 encePairwiseOnDemand]: 146/153 looper letters, 11 selfloop transitions, 5 changer transitions 0/25 dead transitions. [2021-06-11 07:05:17,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 25 transitions, 106 flow [2021-06-11 07:05:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:05:17,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:05:17,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 337 transitions. [2021-06-11 07:05:17,033 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7342047930283224 [2021-06-11 07:05:17,033 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 337 transitions. [2021-06-11 07:05:17,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 337 transitions. [2021-06-11 07:05:17,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:17,034 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 337 transitions. [2021-06-11 07:05:17,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:17,035 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:17,036 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 153.0) internal successors, (612), 4 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:17,036 INFO L185 Difference]: Start difference. First operand has 29 places, 19 transitions, 62 flow. Second operand 3 states and 337 transitions. [2021-06-11 07:05:17,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 25 transitions, 106 flow [2021-06-11 07:05:17,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 25 transitions, 99 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:17,037 INFO L241 Difference]: Finished difference. Result has 31 places, 22 transitions, 91 flow [2021-06-11 07:05:17,037 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=53, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=91, PETRI_PLACES=31, PETRI_TRANSITIONS=22} [2021-06-11 07:05:17,037 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 2 predicate places. [2021-06-11 07:05:17,037 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:17,037 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 22 transitions, 91 flow [2021-06-11 07:05:17,037 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 22 transitions, 91 flow [2021-06-11 07:05:17,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 22 transitions, 91 flow [2021-06-11 07:05:17,042 INFO L129 PetriNetUnfolder]: 28/78 cut-off events. [2021-06-11 07:05:17,042 INFO L130 PetriNetUnfolder]: For 15/26 co-relation queries the response was YES. [2021-06-11 07:05:17,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 78 events. 28/78 cut-off events. For 15/26 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 276 event pairs, 11 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 164. Up to 50 conditions per place. [2021-06-11 07:05:17,043 INFO L151 LiptonReduction]: Number of co-enabled transitions 176 [2021-06-11 07:05:17,046 INFO L163 LiptonReduction]: Checked pairs total: 84 [2021-06-11 07:05:17,046 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:17,046 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-06-11 07:05:17,047 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 22 transitions, 91 flow [2021-06-11 07:05:17,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:17,047 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:17,047 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:17,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 07:05:17,047 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:17,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:17,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1320042146, now seen corresponding path program 1 times [2021-06-11 07:05:17,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:17,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550831645] [2021-06-11 07:05:17,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:17,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:17,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:17,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:17,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550831645] [2021-06-11 07:05:17,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:17,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:17,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784856355] [2021-06-11 07:05:17,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:17,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:17,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:17,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:17,071 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 153 [2021-06-11 07:05:17,071 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 22 transitions, 91 flow. Second operand has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:17,071 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:17,071 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 153 [2021-06-11 07:05:17,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:17,126 INFO L129 PetriNetUnfolder]: 149/315 cut-off events. [2021-06-11 07:05:17,126 INFO L130 PetriNetUnfolder]: For 99/99 co-relation queries the response was YES. [2021-06-11 07:05:17,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 315 events. 149/315 cut-off events. For 99/99 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1614 event pairs, 40 based on Foata normal form. 9/307 useless extension candidates. Maximal degree in co-relation 898. Up to 150 conditions per place. [2021-06-11 07:05:17,128 INFO L132 encePairwiseOnDemand]: 147/153 looper letters, 29 selfloop transitions, 13 changer transitions 0/50 dead transitions. [2021-06-11 07:05:17,128 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 50 transitions, 293 flow [2021-06-11 07:05:17,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:17,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:17,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 653 transitions. [2021-06-11 07:05:17,129 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7113289760348583 [2021-06-11 07:05:17,129 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 653 transitions. [2021-06-11 07:05:17,130 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 653 transitions. [2021-06-11 07:05:17,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:17,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 653 transitions. [2021-06-11 07:05:17,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 108.83333333333333) internal successors, (653), 6 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:17,132 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:17,132 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:17,133 INFO L185 Difference]: Start difference. First operand has 31 places, 22 transitions, 91 flow. Second operand 6 states and 653 transitions. [2021-06-11 07:05:17,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 50 transitions, 293 flow [2021-06-11 07:05:17,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 50 transitions, 259 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 07:05:17,135 INFO L241 Difference]: Finished difference. Result has 37 places, 36 transitions, 200 flow [2021-06-11 07:05:17,135 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=200, PETRI_PLACES=37, PETRI_TRANSITIONS=36} [2021-06-11 07:05:17,135 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 8 predicate places. [2021-06-11 07:05:17,135 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:17,135 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 36 transitions, 200 flow [2021-06-11 07:05:17,136 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 36 transitions, 200 flow [2021-06-11 07:05:17,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 36 transitions, 200 flow [2021-06-11 07:05:17,142 INFO L129 PetriNetUnfolder]: 45/134 cut-off events. [2021-06-11 07:05:17,142 INFO L130 PetriNetUnfolder]: For 130/209 co-relation queries the response was YES. [2021-06-11 07:05:17,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 393 conditions, 134 events. 45/134 cut-off events. For 130/209 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 629 event pairs, 9 based on Foata normal form. 1/120 useless extension candidates. Maximal degree in co-relation 378. Up to 93 conditions per place. [2021-06-11 07:05:17,144 INFO L151 LiptonReduction]: Number of co-enabled transitions 322 [2021-06-11 07:05:17,145 INFO L163 LiptonReduction]: Checked pairs total: 273 [2021-06-11 07:05:17,145 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:17,146 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-06-11 07:05:17,146 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 36 transitions, 200 flow [2021-06-11 07:05:17,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:17,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:17,146 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:17,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 07:05:17,147 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:17,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:17,147 INFO L82 PathProgramCache]: Analyzing trace with hash 311157577, now seen corresponding path program 1 times [2021-06-11 07:05:17,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:17,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506430367] [2021-06-11 07:05:17,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:17,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:17,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:17,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:17,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:05:17,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506430367] [2021-06-11 07:05:17,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:17,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:17,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6270242] [2021-06-11 07:05:17,171 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:17,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:17,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:17,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:17,172 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 153 [2021-06-11 07:05:17,173 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 36 transitions, 200 flow. Second operand has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:17,173 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:17,173 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 153 [2021-06-11 07:05:17,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:17,248 INFO L129 PetriNetUnfolder]: 172/415 cut-off events. [2021-06-11 07:05:17,248 INFO L130 PetriNetUnfolder]: For 409/409 co-relation queries the response was YES. [2021-06-11 07:05:17,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1455 conditions, 415 events. 172/415 cut-off events. For 409/409 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 2506 event pairs, 64 based on Foata normal form. 13/412 useless extension candidates. Maximal degree in co-relation 1438. Up to 208 conditions per place. [2021-06-11 07:05:17,251 INFO L132 encePairwiseOnDemand]: 147/153 looper letters, 41 selfloop transitions, 22 changer transitions 0/71 dead transitions. [2021-06-11 07:05:17,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 71 transitions, 525 flow [2021-06-11 07:05:17,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:17,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:17,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 660 transitions. [2021-06-11 07:05:17,278 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7189542483660131 [2021-06-11 07:05:17,278 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 660 transitions. [2021-06-11 07:05:17,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 660 transitions. [2021-06-11 07:05:17,278 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:17,278 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 660 transitions. [2021-06-11 07:05:17,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 110.0) internal successors, (660), 6 states have internal predecessors, (660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:17,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:17,280 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 153.0) internal successors, (1071), 7 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:17,280 INFO L185 Difference]: Start difference. First operand has 37 places, 36 transitions, 200 flow. Second operand 6 states and 660 transitions. [2021-06-11 07:05:17,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 71 transitions, 525 flow [2021-06-11 07:05:17,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 71 transitions, 525 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 07:05:17,283 INFO L241 Difference]: Finished difference. Result has 45 places, 52 transitions, 409 flow [2021-06-11 07:05:17,283 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=153, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=409, PETRI_PLACES=45, PETRI_TRANSITIONS=52} [2021-06-11 07:05:17,284 INFO L343 CegarLoopForPetriNet]: 29 programPoint places, 16 predicate places. [2021-06-11 07:05:17,284 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:17,284 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 52 transitions, 409 flow [2021-06-11 07:05:17,284 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 52 transitions, 409 flow [2021-06-11 07:05:17,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 52 transitions, 409 flow [2021-06-11 07:05:17,297 INFO L129 PetriNetUnfolder]: 62/218 cut-off events. [2021-06-11 07:05:17,297 INFO L130 PetriNetUnfolder]: For 578/766 co-relation queries the response was YES. [2021-06-11 07:05:17,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 845 conditions, 218 events. 62/218 cut-off events. For 578/766 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1347 event pairs, 10 based on Foata normal form. 3/201 useless extension candidates. Maximal degree in co-relation 825. Up to 153 conditions per place. [2021-06-11 07:05:17,299 INFO L151 LiptonReduction]: Number of co-enabled transitions 464 [2021-06-11 07:05:17,302 INFO L163 LiptonReduction]: Checked pairs total: 276 [2021-06-11 07:05:17,302 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:17,302 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-06-11 07:05:17,303 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 52 transitions, 409 flow [2021-06-11 07:05:17,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 105.0) internal successors, (525), 5 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:17,303 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:17,303 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:17,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 07:05:17,303 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:17,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:17,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1635655632, now seen corresponding path program 1 times [2021-06-11 07:05:17,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:17,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975182346] [2021-06-11 07:05:17,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:17,311 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:17,316 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:17,320 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 07:05:17,320 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 07:05:17,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 07:05:17,320 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 07:05:17,321 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-06-11 07:05:17,331 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,331 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,331 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,331 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,331 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,331 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,331 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,331 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,331 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,331 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,340 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,340 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,340 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,340 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,340 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,340 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,340 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,340 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,340 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,340 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,341 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,341 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,341 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,342 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,342 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,342 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,342 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,342 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,342 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,342 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,343 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,343 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,343 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,343 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,343 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:17,348 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 07:05:17,348 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 07:05:17,348 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:05:17,348 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:05:17,349 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:05:17,349 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:05:17,349 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:05:17,349 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:05:17,349 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:05:17,349 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:05:17,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 113 transitions, 290 flow [2021-06-11 07:05:17,356 INFO L129 PetriNetUnfolder]: 6/132 cut-off events. [2021-06-11 07:05:17,356 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-06-11 07:05:17,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 132 events. 6/132 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 218 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 152. Up to 10 conditions per place. [2021-06-11 07:05:17,357 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 113 transitions, 290 flow [2021-06-11 07:05:17,357 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 76 transitions, 187 flow [2021-06-11 07:05:17,358 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:17,358 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 76 transitions, 187 flow [2021-06-11 07:05:17,358 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 76 transitions, 187 flow [2021-06-11 07:05:17,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 76 transitions, 187 flow [2021-06-11 07:05:17,364 INFO L129 PetriNetUnfolder]: 6/132 cut-off events. [2021-06-11 07:05:17,364 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-06-11 07:05:17,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 132 events. 6/132 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 242 event pairs, 0 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 131. Up to 10 conditions per place. [2021-06-11 07:05:17,366 INFO L151 LiptonReduction]: Number of co-enabled transitions 2284 [2021-06-11 07:05:17,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:17,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:17,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:17,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,852 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 07:05:17,853 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:05:17,858 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:17,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:17,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:17,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:17,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:17,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:18,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:18,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:18,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:18,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:18,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:18,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:18,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:18,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:18,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:18,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:18,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:18,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:18,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:05:18,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:18,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:18,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:18,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 07:05:18,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,733 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,737 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:18,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:18,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,738 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:18,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:18,740 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:18,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:18,809 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.0 percent of original size [2021-06-11 07:05:18,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:18,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:18,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,952 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:18,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:18,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,955 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:18,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:18,956 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:18,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:18,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:18,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:19,183 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-06-11 07:05:19,411 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-06-11 07:05:19,519 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-06-11 07:05:19,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:19,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:19,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:19,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:19,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:19,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:19,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:19,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:19,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:19,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:19,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:19,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:19,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:19,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:19,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:19,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:19,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:19,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:19,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:19,847 INFO L163 LiptonReduction]: Checked pairs total: 2740 [2021-06-11 07:05:19,847 INFO L165 LiptonReduction]: Total number of compositions: 65 [2021-06-11 07:05:19,847 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2489 [2021-06-11 07:05:19,848 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2021-06-11 07:05:19,849 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:19,849 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:19,849 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 07:05:19,849 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:19,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:19,849 INFO L82 PathProgramCache]: Analyzing trace with hash 740648, now seen corresponding path program 1 times [2021-06-11 07:05:19,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:19,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071304878] [2021-06-11 07:05:19,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:19,865 INFO L142 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size [2021-06-11 07:05:19,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:19,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:19,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071304878] [2021-06-11 07:05:19,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:19,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 07:05:19,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490788589] [2021-06-11 07:05:19,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:05:19,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:19,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:05:19,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:05:19,869 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 178 [2021-06-11 07:05:19,869 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 22 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:19,869 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:19,869 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 178 [2021-06-11 07:05:19,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:19,924 INFO L129 PetriNetUnfolder]: 591/904 cut-off events. [2021-06-11 07:05:19,925 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-06-11 07:05:19,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1814 conditions, 904 events. 591/904 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 4135 event pairs, 252 based on Foata normal form. 0/783 useless extension candidates. Maximal degree in co-relation 1802. Up to 662 conditions per place. [2021-06-11 07:05:19,930 INFO L132 encePairwiseOnDemand]: 170/178 looper letters, 14 selfloop transitions, 6 changer transitions 0/30 dead transitions. [2021-06-11 07:05:19,930 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 30 transitions, 135 flow [2021-06-11 07:05:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:05:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:05:19,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 386 transitions. [2021-06-11 07:05:19,931 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7228464419475655 [2021-06-11 07:05:19,931 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 386 transitions. [2021-06-11 07:05:19,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 386 transitions. [2021-06-11 07:05:19,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:19,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 386 transitions. [2021-06-11 07:05:19,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:19,933 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:19,933 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 178.0) internal successors, (712), 4 states have internal predecessors, (712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:19,933 INFO L185 Difference]: Start difference. First operand has 34 places, 22 transitions, 79 flow. Second operand 3 states and 386 transitions. [2021-06-11 07:05:19,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 30 transitions, 135 flow [2021-06-11 07:05:19,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 30 transitions, 122 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:19,935 INFO L241 Difference]: Finished difference. Result has 36 places, 26 transitions, 110 flow [2021-06-11 07:05:19,935 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=36, PETRI_TRANSITIONS=26} [2021-06-11 07:05:19,935 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 2 predicate places. [2021-06-11 07:05:19,935 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:19,936 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 26 transitions, 110 flow [2021-06-11 07:05:19,936 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 26 transitions, 110 flow [2021-06-11 07:05:19,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 26 transitions, 110 flow [2021-06-11 07:05:19,943 INFO L129 PetriNetUnfolder]: 90/177 cut-off events. [2021-06-11 07:05:19,943 INFO L130 PetriNetUnfolder]: For 29/64 co-relation queries the response was YES. [2021-06-11 07:05:19,944 INFO L84 FinitePrefix]: Finished finitePrefix Result has 402 conditions, 177 events. 90/177 cut-off events. For 29/64 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 675 event pairs, 40 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 389. Up to 136 conditions per place. [2021-06-11 07:05:19,945 INFO L151 LiptonReduction]: Number of co-enabled transitions 260 [2021-06-11 07:05:19,953 INFO L163 LiptonReduction]: Checked pairs total: 140 [2021-06-11 07:05:19,953 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:19,953 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-06-11 07:05:19,954 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 26 transitions, 110 flow [2021-06-11 07:05:19,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:19,955 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:19,955 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:19,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 07:05:19,955 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:19,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:19,955 INFO L82 PathProgramCache]: Analyzing trace with hash -391876957, now seen corresponding path program 1 times [2021-06-11 07:05:19,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:19,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703753678] [2021-06-11 07:05:19,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:19,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:19,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:19,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:19,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:19,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:19,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:19,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:19,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703753678] [2021-06-11 07:05:19,980 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:19,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:19,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584422874] [2021-06-11 07:05:19,981 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:19,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:19,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:19,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:19,981 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 178 [2021-06-11 07:05:19,982 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 26 transitions, 110 flow. Second operand has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:19,982 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:19,982 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 178 [2021-06-11 07:05:19,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:20,115 INFO L129 PetriNetUnfolder]: 871/1405 cut-off events. [2021-06-11 07:05:20,115 INFO L130 PetriNetUnfolder]: For 546/546 co-relation queries the response was YES. [2021-06-11 07:05:20,118 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3988 conditions, 1405 events. 871/1405 cut-off events. For 546/546 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 7717 event pairs, 305 based on Foata normal form. 27/1373 useless extension candidates. Maximal degree in co-relation 3973. Up to 708 conditions per place. [2021-06-11 07:05:20,125 INFO L132 encePairwiseOnDemand]: 171/178 looper letters, 38 selfloop transitions, 17 changer transitions 0/64 dead transitions. [2021-06-11 07:05:20,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 64 transitions, 378 flow [2021-06-11 07:05:20,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:20,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:20,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 753 transitions. [2021-06-11 07:05:20,127 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7050561797752809 [2021-06-11 07:05:20,127 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 753 transitions. [2021-06-11 07:05:20,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 753 transitions. [2021-06-11 07:05:20,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:20,127 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 753 transitions. [2021-06-11 07:05:20,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 125.5) internal successors, (753), 6 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,130 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,130 INFO L185 Difference]: Start difference. First operand has 36 places, 26 transitions, 110 flow. Second operand 6 states and 753 transitions. [2021-06-11 07:05:20,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 64 transitions, 378 flow [2021-06-11 07:05:20,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 64 transitions, 334 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 07:05:20,134 INFO L241 Difference]: Finished difference. Result has 42 places, 45 transitions, 257 flow [2021-06-11 07:05:20,134 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=257, PETRI_PLACES=42, PETRI_TRANSITIONS=45} [2021-06-11 07:05:20,134 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 8 predicate places. [2021-06-11 07:05:20,135 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:20,135 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 45 transitions, 257 flow [2021-06-11 07:05:20,135 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 45 transitions, 257 flow [2021-06-11 07:05:20,135 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 45 transitions, 257 flow [2021-06-11 07:05:20,153 INFO L129 PetriNetUnfolder]: 180/356 cut-off events. [2021-06-11 07:05:20,153 INFO L130 PetriNetUnfolder]: For 302/1133 co-relation queries the response was YES. [2021-06-11 07:05:20,154 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1080 conditions, 356 events. 180/356 cut-off events. For 302/1133 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1719 event pairs, 43 based on Foata normal form. 1/305 useless extension candidates. Maximal degree in co-relation 1064. Up to 288 conditions per place. [2021-06-11 07:05:20,157 INFO L151 LiptonReduction]: Number of co-enabled transitions 534 [2021-06-11 07:05:20,164 INFO L163 LiptonReduction]: Checked pairs total: 651 [2021-06-11 07:05:20,164 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:20,164 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-06-11 07:05:20,164 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 45 transitions, 257 flow [2021-06-11 07:05:20,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,165 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:20,165 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:20,165 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 07:05:20,165 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:20,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:20,166 INFO L82 PathProgramCache]: Analyzing trace with hash -756688685, now seen corresponding path program 1 times [2021-06-11 07:05:20,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:20,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848169577] [2021-06-11 07:05:20,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:20,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:05:20,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848169577] [2021-06-11 07:05:20,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:20,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:20,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508067393] [2021-06-11 07:05:20,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:20,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:20,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:20,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:20,195 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 178 [2021-06-11 07:05:20,195 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 45 transitions, 257 flow. Second operand has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,195 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:20,195 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 178 [2021-06-11 07:05:20,195 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:20,387 INFO L129 PetriNetUnfolder]: 1248/2135 cut-off events. [2021-06-11 07:05:20,387 INFO L130 PetriNetUnfolder]: For 1750/1750 co-relation queries the response was YES. [2021-06-11 07:05:20,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7275 conditions, 2135 events. 1248/2135 cut-off events. For 1750/1750 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 13916 event pairs, 467 based on Foata normal form. 41/2116 useless extension candidates. Maximal degree in co-relation 7257. Up to 1136 conditions per place. [2021-06-11 07:05:20,404 INFO L132 encePairwiseOnDemand]: 171/178 looper letters, 58 selfloop transitions, 29 changer transitions 0/96 dead transitions. [2021-06-11 07:05:20,404 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 96 transitions, 716 flow [2021-06-11 07:05:20,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:20,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:20,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 760 transitions. [2021-06-11 07:05:20,406 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7116104868913857 [2021-06-11 07:05:20,406 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 760 transitions. [2021-06-11 07:05:20,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 760 transitions. [2021-06-11 07:05:20,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:20,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 760 transitions. [2021-06-11 07:05:20,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 126.66666666666667) internal successors, (760), 6 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,409 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,409 INFO L185 Difference]: Start difference. First operand has 42 places, 45 transitions, 257 flow. Second operand 6 states and 760 transitions. [2021-06-11 07:05:20,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 96 transitions, 716 flow [2021-06-11 07:05:20,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 96 transitions, 716 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 07:05:20,415 INFO L241 Difference]: Finished difference. Result has 50 places, 66 transitions, 528 flow [2021-06-11 07:05:20,415 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=528, PETRI_PLACES=50, PETRI_TRANSITIONS=66} [2021-06-11 07:05:20,415 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 16 predicate places. [2021-06-11 07:05:20,415 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:20,416 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 66 transitions, 528 flow [2021-06-11 07:05:20,416 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 66 transitions, 528 flow [2021-06-11 07:05:20,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 66 transitions, 528 flow [2021-06-11 07:05:20,451 INFO L129 PetriNetUnfolder]: 336/697 cut-off events. [2021-06-11 07:05:20,452 INFO L130 PetriNetUnfolder]: For 1402/3374 co-relation queries the response was YES. [2021-06-11 07:05:20,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2799 conditions, 697 events. 336/697 cut-off events. For 1402/3374 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 4390 event pairs, 60 based on Foata normal form. 2/641 useless extension candidates. Maximal degree in co-relation 2778. Up to 571 conditions per place. [2021-06-11 07:05:20,460 INFO L151 LiptonReduction]: Number of co-enabled transitions 808 [2021-06-11 07:05:20,465 INFO L163 LiptonReduction]: Checked pairs total: 1116 [2021-06-11 07:05:20,465 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:20,466 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 51 [2021-06-11 07:05:20,467 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 66 transitions, 528 flow [2021-06-11 07:05:20,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 120.0) internal successors, (600), 5 states have internal predecessors, (600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,467 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:20,467 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:20,467 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 07:05:20,467 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:20,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:20,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1327330513, now seen corresponding path program 1 times [2021-06-11 07:05:20,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:20,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510035194] [2021-06-11 07:05:20,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:20,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:05:20,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510035194] [2021-06-11 07:05:20,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:20,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:20,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624659866] [2021-06-11 07:05:20,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:20,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:20,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:20,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:20,529 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 178 [2021-06-11 07:05:20,529 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 66 transitions, 528 flow. Second operand has 7 states, 7 states have (on average 117.14285714285714) internal successors, (820), 7 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,529 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:20,529 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 178 [2021-06-11 07:05:20,529 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:20,826 INFO L129 PetriNetUnfolder]: 1295/2259 cut-off events. [2021-06-11 07:05:20,827 INFO L130 PetriNetUnfolder]: For 4323/4323 co-relation queries the response was YES. [2021-06-11 07:05:20,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9315 conditions, 2259 events. 1295/2259 cut-off events. For 4323/4323 co-relation queries the response was YES. Maximal size of possible extension queue 283. Compared 15179 event pairs, 319 based on Foata normal form. 9/2217 useless extension candidates. Maximal degree in co-relation 9292. Up to 1210 conditions per place. [2021-06-11 07:05:20,847 INFO L132 encePairwiseOnDemand]: 170/178 looper letters, 73 selfloop transitions, 58 changer transitions 0/139 dead transitions. [2021-06-11 07:05:20,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 139 transitions, 1192 flow [2021-06-11 07:05:20,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:20,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:20,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1604 transitions. [2021-06-11 07:05:20,850 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.693171996542783 [2021-06-11 07:05:20,850 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1604 transitions. [2021-06-11 07:05:20,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1604 transitions. [2021-06-11 07:05:20,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:20,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1604 transitions. [2021-06-11 07:05:20,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 123.38461538461539) internal successors, (1604), 13 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 178.0) internal successors, (2492), 14 states have internal predecessors, (2492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,856 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 178.0) internal successors, (2492), 14 states have internal predecessors, (2492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,856 INFO L185 Difference]: Start difference. First operand has 50 places, 66 transitions, 528 flow. Second operand 13 states and 1604 transitions. [2021-06-11 07:05:20,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 139 transitions, 1192 flow [2021-06-11 07:05:20,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 139 transitions, 1178 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:20,868 INFO L241 Difference]: Finished difference. Result has 64 places, 86 transitions, 859 flow [2021-06-11 07:05:20,868 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=859, PETRI_PLACES=64, PETRI_TRANSITIONS=86} [2021-06-11 07:05:20,868 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 30 predicate places. [2021-06-11 07:05:20,868 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:20,868 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 86 transitions, 859 flow [2021-06-11 07:05:20,869 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 86 transitions, 859 flow [2021-06-11 07:05:20,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 86 transitions, 859 flow [2021-06-11 07:05:20,915 INFO L129 PetriNetUnfolder]: 388/814 cut-off events. [2021-06-11 07:05:20,916 INFO L130 PetriNetUnfolder]: For 4162/6129 co-relation queries the response was YES. [2021-06-11 07:05:20,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3973 conditions, 814 events. 388/814 cut-off events. For 4162/6129 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 5486 event pairs, 66 based on Foata normal form. 11/767 useless extension candidates. Maximal degree in co-relation 3948. Up to 657 conditions per place. [2021-06-11 07:05:20,928 INFO L151 LiptonReduction]: Number of co-enabled transitions 1048 [2021-06-11 07:05:20,936 INFO L163 LiptonReduction]: Checked pairs total: 2057 [2021-06-11 07:05:20,936 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:20,936 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 68 [2021-06-11 07:05:20,937 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 86 transitions, 859 flow [2021-06-11 07:05:20,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 117.14285714285714) internal successors, (820), 7 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:20,937 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:20,937 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:20,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 07:05:20,937 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:20,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:20,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1328342353, now seen corresponding path program 2 times [2021-06-11 07:05:20,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:20,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982691761] [2021-06-11 07:05:20,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:20,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:20,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:05:20,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982691761] [2021-06-11 07:05:20,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:20,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:20,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810167647] [2021-06-11 07:05:20,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:20,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:21,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:21,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:21,001 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 178 [2021-06-11 07:05:21,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 86 transitions, 859 flow. Second operand has 7 states, 7 states have (on average 117.14285714285714) internal successors, (820), 7 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:21,001 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:21,001 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 178 [2021-06-11 07:05:21,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:21,274 INFO L129 PetriNetUnfolder]: 1341/2381 cut-off events. [2021-06-11 07:05:21,274 INFO L130 PetriNetUnfolder]: For 7604/7604 co-relation queries the response was YES. [2021-06-11 07:05:21,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11293 conditions, 2381 events. 1341/2381 cut-off events. For 7604/7604 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 16692 event pairs, 267 based on Foata normal form. 9/2340 useless extension candidates. Maximal degree in co-relation 11266. Up to 1284 conditions per place. [2021-06-11 07:05:21,305 INFO L132 encePairwiseOnDemand]: 170/178 looper letters, 81 selfloop transitions, 68 changer transitions 0/157 dead transitions. [2021-06-11 07:05:21,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 157 transitions, 1601 flow [2021-06-11 07:05:21,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:21,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:21,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1604 transitions. [2021-06-11 07:05:21,309 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.693171996542783 [2021-06-11 07:05:21,309 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1604 transitions. [2021-06-11 07:05:21,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1604 transitions. [2021-06-11 07:05:21,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:21,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1604 transitions. [2021-06-11 07:05:21,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 123.38461538461539) internal successors, (1604), 13 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:21,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 178.0) internal successors, (2492), 14 states have internal predecessors, (2492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:21,314 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 178.0) internal successors, (2492), 14 states have internal predecessors, (2492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:21,315 INFO L185 Difference]: Start difference. First operand has 64 places, 86 transitions, 859 flow. Second operand 13 states and 1604 transitions. [2021-06-11 07:05:21,315 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 157 transitions, 1601 flow [2021-06-11 07:05:21,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 157 transitions, 1504 flow, removed 17 selfloop flow, removed 6 redundant places. [2021-06-11 07:05:21,337 INFO L241 Difference]: Finished difference. Result has 73 places, 103 transitions, 1135 flow [2021-06-11 07:05:21,337 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1135, PETRI_PLACES=73, PETRI_TRANSITIONS=103} [2021-06-11 07:05:21,337 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 39 predicate places. [2021-06-11 07:05:21,337 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:21,337 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 103 transitions, 1135 flow [2021-06-11 07:05:21,337 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 103 transitions, 1135 flow [2021-06-11 07:05:21,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 103 transitions, 1135 flow [2021-06-11 07:05:21,391 INFO L129 PetriNetUnfolder]: 439/928 cut-off events. [2021-06-11 07:05:21,391 INFO L130 PetriNetUnfolder]: For 7524/11976 co-relation queries the response was YES. [2021-06-11 07:05:21,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5155 conditions, 928 events. 439/928 cut-off events. For 7524/11976 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 6234 event pairs, 68 based on Foata normal form. 13/870 useless extension candidates. Maximal degree in co-relation 5128. Up to 746 conditions per place. [2021-06-11 07:05:21,403 INFO L151 LiptonReduction]: Number of co-enabled transitions 1226 [2021-06-11 07:05:21,414 INFO L163 LiptonReduction]: Checked pairs total: 3197 [2021-06-11 07:05:21,414 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:21,414 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-06-11 07:05:21,415 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 103 transitions, 1135 flow [2021-06-11 07:05:21,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 117.14285714285714) internal successors, (820), 7 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:21,415 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:21,416 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:21,416 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 07:05:21,416 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:21,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:21,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1730774986, now seen corresponding path program 1 times [2021-06-11 07:05:21,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:21,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894007861] [2021-06-11 07:05:21,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:21,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:21,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:21,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:21,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:21,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:21,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:05:21,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894007861] [2021-06-11 07:05:21,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:21,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:21,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300195423] [2021-06-11 07:05:21,450 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:21,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:21,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:21,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:21,451 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 178 [2021-06-11 07:05:21,451 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 103 transitions, 1135 flow. Second operand has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:21,451 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:21,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 178 [2021-06-11 07:05:21,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:21,778 INFO L129 PetriNetUnfolder]: 1846/3596 cut-off events. [2021-06-11 07:05:21,778 INFO L130 PetriNetUnfolder]: For 19088/19117 co-relation queries the response was YES. [2021-06-11 07:05:21,791 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19176 conditions, 3596 events. 1846/3596 cut-off events. For 19088/19117 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 29243 event pairs, 707 based on Foata normal form. 75/3574 useless extension candidates. Maximal degree in co-relation 19147. Up to 1980 conditions per place. [2021-06-11 07:05:21,808 INFO L132 encePairwiseOnDemand]: 171/178 looper letters, 148 selfloop transitions, 61 changer transitions 0/218 dead transitions. [2021-06-11 07:05:21,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 218 transitions, 2870 flow [2021-06-11 07:05:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:21,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:21,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 754 transitions. [2021-06-11 07:05:21,810 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7059925093632958 [2021-06-11 07:05:21,810 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 754 transitions. [2021-06-11 07:05:21,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 754 transitions. [2021-06-11 07:05:21,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:21,810 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 754 transitions. [2021-06-11 07:05:21,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 125.66666666666667) internal successors, (754), 6 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:21,812 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:21,813 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 178.0) internal successors, (1246), 7 states have internal predecessors, (1246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:21,813 INFO L185 Difference]: Start difference. First operand has 73 places, 103 transitions, 1135 flow. Second operand 6 states and 754 transitions. [2021-06-11 07:05:21,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 218 transitions, 2870 flow [2021-06-11 07:05:21,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 218 transitions, 2611 flow, removed 18 selfloop flow, removed 9 redundant places. [2021-06-11 07:05:21,862 INFO L241 Difference]: Finished difference. Result has 72 places, 151 transitions, 1842 flow [2021-06-11 07:05:21,863 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=178, PETRI_DIFFERENCE_MINUEND_FLOW=1006, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1842, PETRI_PLACES=72, PETRI_TRANSITIONS=151} [2021-06-11 07:05:21,863 INFO L343 CegarLoopForPetriNet]: 34 programPoint places, 38 predicate places. [2021-06-11 07:05:21,863 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:21,863 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 151 transitions, 1842 flow [2021-06-11 07:05:21,863 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 151 transitions, 1842 flow [2021-06-11 07:05:21,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 151 transitions, 1842 flow [2021-06-11 07:05:21,978 INFO L129 PetriNetUnfolder]: 740/1687 cut-off events. [2021-06-11 07:05:21,978 INFO L130 PetriNetUnfolder]: For 13963/17233 co-relation queries the response was YES. [2021-06-11 07:05:21,985 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10022 conditions, 1687 events. 740/1687 cut-off events. For 13963/17233 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 14081 event pairs, 85 based on Foata normal form. 35/1626 useless extension candidates. Maximal degree in co-relation 9992. Up to 1345 conditions per place. [2021-06-11 07:05:22,001 INFO L151 LiptonReduction]: Number of co-enabled transitions 1774 [2021-06-11 07:05:22,020 INFO L163 LiptonReduction]: Checked pairs total: 3210 [2021-06-11 07:05:22,020 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:22,021 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 158 [2021-06-11 07:05:22,023 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 151 transitions, 1842 flow [2021-06-11 07:05:22,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 119.0) internal successors, (595), 5 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:22,023 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:22,024 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:22,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 07:05:22,024 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-11 07:05:22,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:22,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1124169066, now seen corresponding path program 1 times [2021-06-11 07:05:22,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:22,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220886407] [2021-06-11 07:05:22,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:22,036 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:05:22,042 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:05:22,051 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 07:05:22,052 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 07:05:22,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 07:05:22,052 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 07:05:22,052 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,066 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,067 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,068 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,068 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,068 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,068 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,068 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,068 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,068 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,068 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,068 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,068 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,068 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,068 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,068 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,068 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,068 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,069 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,072 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,072 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,072 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,072 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,072 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,073 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,074 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,074 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,075 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,076 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,077 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,078 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,078 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,078 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,078 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,079 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,081 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,081 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,081 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,081 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,081 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,082 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,082 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,082 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,082 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,082 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,083 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,083 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,083 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,084 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,084 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,084 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,084 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,084 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,085 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,085 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,085 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,085 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,085 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,085 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,085 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,085 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,085 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,086 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,086 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,086 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,086 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,086 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,086 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,086 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,087 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,087 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,087 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,087 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,087 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,087 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,088 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,088 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,088 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,088 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,088 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,088 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,088 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,089 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,089 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,089 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,089 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,089 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,089 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,089 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,089 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,089 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,090 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,090 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:05:22,090 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 07:05:22,090 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-06-11 07:05:22,092 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:05:22,092 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:05:22,092 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:05:22,092 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:05:22,092 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:05:22,092 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:05:22,092 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:05:22,092 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:05:22,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 132 transitions, 354 flow [2021-06-11 07:05:22,100 INFO L129 PetriNetUnfolder]: 7/154 cut-off events. [2021-06-11 07:05:22,100 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-06-11 07:05:22,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 154 events. 7/154 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 269 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 181. Up to 12 conditions per place. [2021-06-11 07:05:22,101 INFO L82 GeneralOperation]: Start removeDead. Operand has 148 places, 132 transitions, 354 flow [2021-06-11 07:05:22,102 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 83 transitions, 214 flow [2021-06-11 07:05:22,102 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:22,102 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 83 transitions, 214 flow [2021-06-11 07:05:22,102 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 83 transitions, 214 flow [2021-06-11 07:05:22,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 83 transitions, 214 flow [2021-06-11 07:05:22,108 INFO L129 PetriNetUnfolder]: 7/154 cut-off events. [2021-06-11 07:05:22,108 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-06-11 07:05:22,109 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 154 events. 7/154 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 262 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 160. Up to 12 conditions per place. [2021-06-11 07:05:22,110 INFO L151 LiptonReduction]: Number of co-enabled transitions 2966 [2021-06-11 07:05:22,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:22,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:22,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:22,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:22,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:22,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:22,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,772 INFO L142 QuantifierPusher]: treesize reduction 8, result has 33.3 percent of original size [2021-06-11 07:05:22,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:22,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:22,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:22,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,894 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:22,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:22,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:23,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:23,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:23,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:23,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:23,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:05:23,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:05:23,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:23,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:23,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:23,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:23,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:23,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:23,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:23,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:23,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:23,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:23,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:23,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:23,280 INFO L142 QuantifierPusher]: treesize reduction 2, result has 95.6 percent of original size [2021-06-11 07:05:23,282 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:05:23,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:23,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:05:23,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 07:05:23,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:23,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:23,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:23,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:23,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:23,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:23,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:23,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:23,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:23,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:23,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:23,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:23,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:23,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:23,885 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-06-11 07:05:24,099 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2021-06-11 07:05:24,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:24,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:24,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:24,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:24,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:24,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:05:24,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:05:24,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:24,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:24,189 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:24,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:24,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:05:24,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:05:24,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:05:24,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:24,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:05:24,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:05:24,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:24,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:05:24,505 INFO L163 LiptonReduction]: Checked pairs total: 3713 [2021-06-11 07:05:24,505 INFO L165 LiptonReduction]: Total number of compositions: 68 [2021-06-11 07:05:24,506 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2404 [2021-06-11 07:05:24,506 INFO L129 PetriNetUnfolder]: 0/4 cut-off events. [2021-06-11 07:05:24,506 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:05:24,506 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:24,507 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 07:05:24,507 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:24,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:24,507 INFO L82 PathProgramCache]: Analyzing trace with hash 957994, now seen corresponding path program 1 times [2021-06-11 07:05:24,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:24,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118854694] [2021-06-11 07:05:24,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:24,516 INFO L142 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size [2021-06-11 07:05:24,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:24,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:24,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118854694] [2021-06-11 07:05:24,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:24,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 07:05:24,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362188599] [2021-06-11 07:05:24,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:05:24,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:24,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:05:24,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:05:24,519 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 200 [2021-06-11 07:05:24,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 25 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:24,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:24,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 200 [2021-06-11 07:05:24,519 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:24,668 INFO L129 PetriNetUnfolder]: 2467/3400 cut-off events. [2021-06-11 07:05:24,668 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-06-11 07:05:24,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6810 conditions, 3400 events. 2467/3400 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 16470 event pairs, 1152 based on Foata normal form. 0/3042 useless extension candidates. Maximal degree in co-relation 6797. Up to 2647 conditions per place. [2021-06-11 07:05:24,686 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 17 selfloop transitions, 7 changer transitions 0/35 dead transitions. [2021-06-11 07:05:24,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 35 transitions, 166 flow [2021-06-11 07:05:24,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:05:24,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:05:24,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2021-06-11 07:05:24,688 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.725 [2021-06-11 07:05:24,688 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 435 transitions. [2021-06-11 07:05:24,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 435 transitions. [2021-06-11 07:05:24,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:24,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 435 transitions. [2021-06-11 07:05:24,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:24,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:24,690 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:24,690 INFO L185 Difference]: Start difference. First operand has 39 places, 25 transitions, 98 flow. Second operand 3 states and 435 transitions. [2021-06-11 07:05:24,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 35 transitions, 166 flow [2021-06-11 07:05:24,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 35 transitions, 145 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:24,693 INFO L241 Difference]: Finished difference. Result has 41 places, 30 transitions, 129 flow [2021-06-11 07:05:24,693 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=129, PETRI_PLACES=41, PETRI_TRANSITIONS=30} [2021-06-11 07:05:24,693 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 2 predicate places. [2021-06-11 07:05:24,693 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:24,693 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 30 transitions, 129 flow [2021-06-11 07:05:24,693 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 30 transitions, 129 flow [2021-06-11 07:05:24,693 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 30 transitions, 129 flow [2021-06-11 07:05:24,708 INFO L129 PetriNetUnfolder]: 248/404 cut-off events. [2021-06-11 07:05:24,708 INFO L130 PetriNetUnfolder]: For 54/152 co-relation queries the response was YES. [2021-06-11 07:05:24,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 404 events. 248/404 cut-off events. For 54/152 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 1666 event pairs, 95 based on Foata normal form. 0/339 useless extension candidates. Maximal degree in co-relation 906. Up to 342 conditions per place. [2021-06-11 07:05:24,711 INFO L151 LiptonReduction]: Number of co-enabled transitions 360 [2021-06-11 07:05:24,724 INFO L163 LiptonReduction]: Checked pairs total: 210 [2021-06-11 07:05:24,724 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:24,724 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-06-11 07:05:24,724 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 129 flow [2021-06-11 07:05:24,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:24,725 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:24,725 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:24,725 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 07:05:24,725 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:24,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:24,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1334661723, now seen corresponding path program 1 times [2021-06-11 07:05:24,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:24,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237592861] [2021-06-11 07:05:24,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:24,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:24,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:24,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:24,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:24,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:24,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:05:24,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237592861] [2021-06-11 07:05:24,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:24,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:24,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023281456] [2021-06-11 07:05:24,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:24,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:24,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:24,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:24,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 200 [2021-06-11 07:05:24,766 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 129 flow. Second operand has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:24,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:24,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 200 [2021-06-11 07:05:24,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:25,098 INFO L129 PetriNetUnfolder]: 4033/5731 cut-off events. [2021-06-11 07:05:25,098 INFO L130 PetriNetUnfolder]: For 961/961 co-relation queries the response was YES. [2021-06-11 07:05:25,110 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16016 conditions, 5731 events. 4033/5731 cut-off events. For 961/961 co-relation queries the response was YES. Maximal size of possible extension queue 520. Compared 32814 event pairs, 692 based on Foata normal form. 81/5627 useless extension candidates. Maximal degree in co-relation 16000. Up to 2926 conditions per place. [2021-06-11 07:05:25,129 INFO L132 encePairwiseOnDemand]: 192/200 looper letters, 47 selfloop transitions, 21 changer transitions 0/78 dead transitions. [2021-06-11 07:05:25,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 78 transitions, 463 flow [2021-06-11 07:05:25,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:25,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:25,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 853 transitions. [2021-06-11 07:05:25,131 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7108333333333333 [2021-06-11 07:05:25,131 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 853 transitions. [2021-06-11 07:05:25,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 853 transitions. [2021-06-11 07:05:25,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:25,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 853 transitions. [2021-06-11 07:05:25,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 142.16666666666666) internal successors, (853), 6 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:25,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:25,134 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:25,134 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 129 flow. Second operand 6 states and 853 transitions. [2021-06-11 07:05:25,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 78 transitions, 463 flow [2021-06-11 07:05:25,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 78 transitions, 409 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 07:05:25,143 INFO L241 Difference]: Finished difference. Result has 47 places, 54 transitions, 314 flow [2021-06-11 07:05:25,143 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=314, PETRI_PLACES=47, PETRI_TRANSITIONS=54} [2021-06-11 07:05:25,143 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 8 predicate places. [2021-06-11 07:05:25,143 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:25,143 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 54 transitions, 314 flow [2021-06-11 07:05:25,143 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 54 transitions, 314 flow [2021-06-11 07:05:25,143 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 54 transitions, 314 flow [2021-06-11 07:05:25,179 INFO L129 PetriNetUnfolder]: 543/886 cut-off events. [2021-06-11 07:05:25,179 INFO L130 PetriNetUnfolder]: For 657/4393 co-relation queries the response was YES. [2021-06-11 07:05:25,181 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2735 conditions, 886 events. 543/886 cut-off events. For 657/4393 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 4572 event pairs, 153 based on Foata normal form. 2/781 useless extension candidates. Maximal degree in co-relation 2718. Up to 771 conditions per place. [2021-06-11 07:05:25,187 INFO L151 LiptonReduction]: Number of co-enabled transitions 780 [2021-06-11 07:05:25,192 INFO L163 LiptonReduction]: Checked pairs total: 1106 [2021-06-11 07:05:25,192 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:25,192 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-06-11 07:05:25,193 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 54 transitions, 314 flow [2021-06-11 07:05:25,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:25,193 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:25,193 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:25,193 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 07:05:25,194 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:25,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:25,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1738857692, now seen corresponding path program 1 times [2021-06-11 07:05:25,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:25,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227352886] [2021-06-11 07:05:25,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:25,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:25,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:25,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:25,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:25,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:25,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:25,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:05:25,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227352886] [2021-06-11 07:05:25,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:25,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:25,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199620651] [2021-06-11 07:05:25,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:25,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:25,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:25,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:25,224 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 200 [2021-06-11 07:05:25,225 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 54 transitions, 314 flow. Second operand has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:25,225 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:25,225 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 200 [2021-06-11 07:05:25,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:25,746 INFO L129 PetriNetUnfolder]: 6464/9475 cut-off events. [2021-06-11 07:05:25,746 INFO L130 PetriNetUnfolder]: For 6915/6915 co-relation queries the response was YES. [2021-06-11 07:05:25,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31605 conditions, 9475 events. 6464/9475 cut-off events. For 6915/6915 co-relation queries the response was YES. Maximal size of possible extension queue 917. Compared 62092 event pairs, 2502 based on Foata normal form. 127/9378 useless extension candidates. Maximal degree in co-relation 31586. Up to 5058 conditions per place. [2021-06-11 07:05:25,802 INFO L132 encePairwiseOnDemand]: 192/200 looper letters, 73 selfloop transitions, 36 changer transitions 0/119 dead transitions. [2021-06-11 07:05:25,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 119 transitions, 891 flow [2021-06-11 07:05:25,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:25,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:25,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 860 transitions. [2021-06-11 07:05:25,804 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7166666666666667 [2021-06-11 07:05:25,804 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 860 transitions. [2021-06-11 07:05:25,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 860 transitions. [2021-06-11 07:05:25,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:25,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 860 transitions. [2021-06-11 07:05:25,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 143.33333333333334) internal successors, (860), 6 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:25,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:25,807 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:25,807 INFO L185 Difference]: Start difference. First operand has 47 places, 54 transitions, 314 flow. Second operand 6 states and 860 transitions. [2021-06-11 07:05:25,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 119 transitions, 891 flow [2021-06-11 07:05:25,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 119 transitions, 891 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 07:05:25,817 INFO L241 Difference]: Finished difference. Result has 55 places, 80 transitions, 647 flow [2021-06-11 07:05:25,817 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=647, PETRI_PLACES=55, PETRI_TRANSITIONS=80} [2021-06-11 07:05:25,817 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 16 predicate places. [2021-06-11 07:05:25,817 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:25,817 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 80 transitions, 647 flow [2021-06-11 07:05:25,817 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 80 transitions, 647 flow [2021-06-11 07:05:25,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 80 transitions, 647 flow [2021-06-11 07:05:25,906 INFO L129 PetriNetUnfolder]: 1138/1896 cut-off events. [2021-06-11 07:05:25,906 INFO L130 PetriNetUnfolder]: For 3843/32219 co-relation queries the response was YES. [2021-06-11 07:05:25,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7729 conditions, 1896 events. 1138/1896 cut-off events. For 3843/32219 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 11505 event pairs, 238 based on Foata normal form. 3/1721 useless extension candidates. Maximal degree in co-relation 7707. Up to 1661 conditions per place. [2021-06-11 07:05:25,926 INFO L151 LiptonReduction]: Number of co-enabled transitions 1198 [2021-06-11 07:05:25,937 INFO L163 LiptonReduction]: Checked pairs total: 2160 [2021-06-11 07:05:25,937 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:25,937 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 120 [2021-06-11 07:05:25,938 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 80 transitions, 647 flow [2021-06-11 07:05:25,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:25,938 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:25,938 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:25,938 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-11 07:05:25,938 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:25,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:25,939 INFO L82 PathProgramCache]: Analyzing trace with hash 303102743, now seen corresponding path program 1 times [2021-06-11 07:05:25,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:25,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732988159] [2021-06-11 07:05:25,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:25,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:25,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:25,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:25,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:25,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:25,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:25,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:25,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:25,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:25,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:25,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:05:25,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732988159] [2021-06-11 07:05:25,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:25,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:25,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73829857] [2021-06-11 07:05:25,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:25,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:25,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:25,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:25,973 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 200 [2021-06-11 07:05:25,974 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 80 transitions, 647 flow. Second operand has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:25,974 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:25,974 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 200 [2021-06-11 07:05:25,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:26,749 INFO L129 PetriNetUnfolder]: 6883/10223 cut-off events. [2021-06-11 07:05:26,750 INFO L130 PetriNetUnfolder]: For 16469/16469 co-relation queries the response was YES. [2021-06-11 07:05:26,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40827 conditions, 10223 events. 6883/10223 cut-off events. For 16469/16469 co-relation queries the response was YES. Maximal size of possible extension queue 1006. Compared 68974 event pairs, 1576 based on Foata normal form. 27/9996 useless extension candidates. Maximal degree in co-relation 40803. Up to 5468 conditions per place. [2021-06-11 07:05:26,871 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 93 selfloop transitions, 72 changer transitions 0/174 dead transitions. [2021-06-11 07:05:26,872 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 174 transitions, 1483 flow [2021-06-11 07:05:26,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:26,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:26,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1823 transitions. [2021-06-11 07:05:26,877 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7011538461538461 [2021-06-11 07:05:26,877 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1823 transitions. [2021-06-11 07:05:26,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1823 transitions. [2021-06-11 07:05:26,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:26,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1823 transitions. [2021-06-11 07:05:26,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 140.23076923076923) internal successors, (1823), 13 states have internal predecessors, (1823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:26,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:26,884 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:26,884 INFO L185 Difference]: Start difference. First operand has 55 places, 80 transitions, 647 flow. Second operand 13 states and 1823 transitions. [2021-06-11 07:05:26,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 174 transitions, 1483 flow [2021-06-11 07:05:26,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 174 transitions, 1463 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:26,925 INFO L241 Difference]: Finished difference. Result has 69 places, 105 transitions, 1059 flow [2021-06-11 07:05:26,926 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=633, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1059, PETRI_PLACES=69, PETRI_TRANSITIONS=105} [2021-06-11 07:05:26,926 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 30 predicate places. [2021-06-11 07:05:26,926 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:26,926 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 105 transitions, 1059 flow [2021-06-11 07:05:26,926 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 105 transitions, 1059 flow [2021-06-11 07:05:26,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 105 transitions, 1059 flow [2021-06-11 07:05:27,078 INFO L129 PetriNetUnfolder]: 1353/2265 cut-off events. [2021-06-11 07:05:27,078 INFO L130 PetriNetUnfolder]: For 9135/54421 co-relation queries the response was YES. [2021-06-11 07:05:27,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11276 conditions, 2265 events. 1353/2265 cut-off events. For 9135/54421 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 13968 event pairs, 266 based on Foata normal form. 9/2033 useless extension candidates. Maximal degree in co-relation 11250. Up to 1961 conditions per place. [2021-06-11 07:05:27,104 INFO L151 LiptonReduction]: Number of co-enabled transitions 1578 [2021-06-11 07:05:27,108 INFO L163 LiptonReduction]: Checked pairs total: 4080 [2021-06-11 07:05:27,108 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:27,108 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 182 [2021-06-11 07:05:27,108 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 105 transitions, 1059 flow [2021-06-11 07:05:27,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:27,108 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:27,109 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:27,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-11 07:05:27,109 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:27,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:27,109 INFO L82 PathProgramCache]: Analyzing trace with hash 299977943, now seen corresponding path program 2 times [2021-06-11 07:05:27,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:27,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423093443] [2021-06-11 07:05:27,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:27,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:27,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:27,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:27,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:27,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:27,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:27,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:27,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:27,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:27,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:27,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:05:27,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423093443] [2021-06-11 07:05:27,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:27,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:27,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048938289] [2021-06-11 07:05:27,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:27,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:27,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:27,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:27,135 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 200 [2021-06-11 07:05:27,136 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 105 transitions, 1059 flow. Second operand has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:27,136 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:27,136 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 200 [2021-06-11 07:05:27,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:28,103 INFO L129 PetriNetUnfolder]: 7301/10905 cut-off events. [2021-06-11 07:05:28,103 INFO L130 PetriNetUnfolder]: For 30537/30537 co-relation queries the response was YES. [2021-06-11 07:05:28,135 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50005 conditions, 10905 events. 7301/10905 cut-off events. For 30537/30537 co-relation queries the response was YES. Maximal size of possible extension queue 1094. Compared 75422 event pairs, 1648 based on Foata normal form. 27/10719 useless extension candidates. Maximal degree in co-relation 49977. Up to 5878 conditions per place. [2021-06-11 07:05:28,191 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 104 selfloop transitions, 86 changer transitions 0/199 dead transitions. [2021-06-11 07:05:28,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 199 transitions, 2023 flow [2021-06-11 07:05:28,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:28,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:28,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1823 transitions. [2021-06-11 07:05:28,193 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7011538461538461 [2021-06-11 07:05:28,193 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1823 transitions. [2021-06-11 07:05:28,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1823 transitions. [2021-06-11 07:05:28,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:28,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1823 transitions. [2021-06-11 07:05:28,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 140.23076923076923) internal successors, (1823), 13 states have internal predecessors, (1823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:28,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:28,198 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:28,198 INFO L185 Difference]: Start difference. First operand has 69 places, 105 transitions, 1059 flow. Second operand 13 states and 1823 transitions. [2021-06-11 07:05:28,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 199 transitions, 2023 flow [2021-06-11 07:05:28,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 199 transitions, 1901 flow, removed 22 selfloop flow, removed 6 redundant places. [2021-06-11 07:05:28,355 INFO L241 Difference]: Finished difference. Result has 78 places, 128 transitions, 1427 flow [2021-06-11 07:05:28,355 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=953, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1427, PETRI_PLACES=78, PETRI_TRANSITIONS=128} [2021-06-11 07:05:28,355 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 39 predicate places. [2021-06-11 07:05:28,355 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:28,355 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 128 transitions, 1427 flow [2021-06-11 07:05:28,355 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 128 transitions, 1427 flow [2021-06-11 07:05:28,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 128 transitions, 1427 flow [2021-06-11 07:05:28,599 INFO L129 PetriNetUnfolder]: 1575/2641 cut-off events. [2021-06-11 07:05:28,599 INFO L130 PetriNetUnfolder]: For 17195/78898 co-relation queries the response was YES. [2021-06-11 07:05:28,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15102 conditions, 2641 events. 1575/2641 cut-off events. For 17195/78898 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 17498 event pairs, 284 based on Foata normal form. 9/2410 useless extension candidates. Maximal degree in co-relation 15074. Up to 2283 conditions per place. [2021-06-11 07:05:28,628 INFO L151 LiptonReduction]: Number of co-enabled transitions 1900 [2021-06-11 07:05:28,633 INFO L163 LiptonReduction]: Checked pairs total: 6693 [2021-06-11 07:05:28,633 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:28,633 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 278 [2021-06-11 07:05:28,634 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 128 transitions, 1427 flow [2021-06-11 07:05:28,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:28,634 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:28,635 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:28,635 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-11 07:05:28,635 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:28,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:28,635 INFO L82 PathProgramCache]: Analyzing trace with hash 644971237, now seen corresponding path program 1 times [2021-06-11 07:05:28,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:28,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243415169] [2021-06-11 07:05:28,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:28,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:28,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:28,651 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:28,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:28,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:28,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:28,657 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:05:28,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243415169] [2021-06-11 07:05:28,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:28,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:28,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634948781] [2021-06-11 07:05:28,657 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:28,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:28,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:28,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:28,658 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 200 [2021-06-11 07:05:28,659 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 128 transitions, 1427 flow. Second operand has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:28,659 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:28,659 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 200 [2021-06-11 07:05:28,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:30,211 INFO L129 PetriNetUnfolder]: 11374/17572 cut-off events. [2021-06-11 07:05:30,211 INFO L130 PetriNetUnfolder]: For 75718/75749 co-relation queries the response was YES. [2021-06-11 07:05:30,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92175 conditions, 17572 events. 11374/17572 cut-off events. For 75718/75749 co-relation queries the response was YES. Maximal size of possible extension queue 1827. Compared 138425 event pairs, 2626 based on Foata normal form. 231/17568 useless extension candidates. Maximal degree in co-relation 92145. Up to 9930 conditions per place. [2021-06-11 07:05:30,366 INFO L132 encePairwiseOnDemand]: 192/200 looper letters, 191 selfloop transitions, 72 changer transitions 0/273 dead transitions. [2021-06-11 07:05:30,366 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 273 transitions, 3593 flow [2021-06-11 07:05:30,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:05:30,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:05:30,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 854 transitions. [2021-06-11 07:05:30,368 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7116666666666667 [2021-06-11 07:05:30,368 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 854 transitions. [2021-06-11 07:05:30,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 854 transitions. [2021-06-11 07:05:30,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:30,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 854 transitions. [2021-06-11 07:05:30,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 142.33333333333334) internal successors, (854), 6 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:30,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:30,370 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:30,370 INFO L185 Difference]: Start difference. First operand has 78 places, 128 transitions, 1427 flow. Second operand 6 states and 854 transitions. [2021-06-11 07:05:30,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 273 transitions, 3593 flow [2021-06-11 07:05:30,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 273 transitions, 3264 flow, removed 24 selfloop flow, removed 9 redundant places. [2021-06-11 07:05:30,774 INFO L241 Difference]: Finished difference. Result has 77 places, 183 transitions, 2211 flow [2021-06-11 07:05:30,775 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=1263, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2211, PETRI_PLACES=77, PETRI_TRANSITIONS=183} [2021-06-11 07:05:30,775 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 38 predicate places. [2021-06-11 07:05:30,775 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:30,775 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 183 transitions, 2211 flow [2021-06-11 07:05:30,775 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 183 transitions, 2211 flow [2021-06-11 07:05:30,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 183 transitions, 2211 flow [2021-06-11 07:05:31,280 INFO L129 PetriNetUnfolder]: 3104/5377 cut-off events. [2021-06-11 07:05:31,280 INFO L130 PetriNetUnfolder]: For 41870/180562 co-relation queries the response was YES. [2021-06-11 07:05:31,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33037 conditions, 5377 events. 3104/5377 cut-off events. For 41870/180562 co-relation queries the response was YES. Maximal size of possible extension queue 597. Compared 41392 event pairs, 420 based on Foata normal form. 29/5023 useless extension candidates. Maximal degree in co-relation 33006. Up to 4627 conditions per place. [2021-06-11 07:05:31,345 INFO L151 LiptonReduction]: Number of co-enabled transitions 2718 [2021-06-11 07:05:31,354 INFO L163 LiptonReduction]: Checked pairs total: 8670 [2021-06-11 07:05:31,354 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:31,354 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 579 [2021-06-11 07:05:31,355 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 183 transitions, 2211 flow [2021-06-11 07:05:31,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:31,355 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:31,355 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:31,355 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-06-11 07:05:31,355 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:31,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:31,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1340207328, now seen corresponding path program 1 times [2021-06-11 07:05:31,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:31,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685242978] [2021-06-11 07:05:31,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:31,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:31,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:31,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:31,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:31,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:31,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:31,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:31,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:31,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:31,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:31,381 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:05:31,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685242978] [2021-06-11 07:05:31,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:31,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:31,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745022783] [2021-06-11 07:05:31,382 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:31,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:31,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:31,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:31,383 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 200 [2021-06-11 07:05:31,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 183 transitions, 2211 flow. Second operand has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:31,383 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:31,383 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 200 [2021-06-11 07:05:31,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:33,253 INFO L129 PetriNetUnfolder]: 12156/19035 cut-off events. [2021-06-11 07:05:33,253 INFO L130 PetriNetUnfolder]: For 114195/114232 co-relation queries the response was YES. [2021-06-11 07:05:33,375 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107418 conditions, 19035 events. 12156/19035 cut-off events. For 114195/114232 co-relation queries the response was YES. Maximal size of possible extension queue 2025. Compared 153107 event pairs, 3630 based on Foata normal form. 69/18808 useless extension candidates. Maximal degree in co-relation 107385. Up to 10832 conditions per place. [2021-06-11 07:05:33,492 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 171 selfloop transitions, 158 changer transitions 0/338 dead transitions. [2021-06-11 07:05:33,492 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 338 transitions, 4384 flow [2021-06-11 07:05:33,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:33,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1812 transitions. [2021-06-11 07:05:33,495 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.696923076923077 [2021-06-11 07:05:33,495 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1812 transitions. [2021-06-11 07:05:33,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1812 transitions. [2021-06-11 07:05:33,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:33,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1812 transitions. [2021-06-11 07:05:33,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 139.3846153846154) internal successors, (1812), 13 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:33,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:33,500 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:33,500 INFO L185 Difference]: Start difference. First operand has 77 places, 183 transitions, 2211 flow. Second operand 13 states and 1812 transitions. [2021-06-11 07:05:33,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 338 transitions, 4384 flow [2021-06-11 07:05:34,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 338 transitions, 4297 flow, removed 37 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:34,215 INFO L241 Difference]: Finished difference. Result has 91 places, 237 transitions, 3317 flow [2021-06-11 07:05:34,215 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=2142, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3317, PETRI_PLACES=91, PETRI_TRANSITIONS=237} [2021-06-11 07:05:34,215 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 52 predicate places. [2021-06-11 07:05:34,215 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:34,215 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 237 transitions, 3317 flow [2021-06-11 07:05:34,215 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 237 transitions, 3317 flow [2021-06-11 07:05:34,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 237 transitions, 3317 flow [2021-06-11 07:05:34,823 INFO L129 PetriNetUnfolder]: 3729/6502 cut-off events. [2021-06-11 07:05:34,823 INFO L130 PetriNetUnfolder]: For 71188/270666 co-relation queries the response was YES. [2021-06-11 07:05:34,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44263 conditions, 6502 events. 3729/6502 cut-off events. For 71188/270666 co-relation queries the response was YES. Maximal size of possible extension queue 716. Compared 52077 event pairs, 473 based on Foata normal form. 52/6119 useless extension candidates. Maximal degree in co-relation 44228. Up to 5552 conditions per place. [2021-06-11 07:05:34,921 INFO L151 LiptonReduction]: Number of co-enabled transitions 3430 [2021-06-11 07:05:34,936 INFO L163 LiptonReduction]: Checked pairs total: 14781 [2021-06-11 07:05:34,936 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:34,936 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 721 [2021-06-11 07:05:34,937 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 237 transitions, 3317 flow [2021-06-11 07:05:34,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:34,937 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:34,937 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:34,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-06-11 07:05:34,937 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:34,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:34,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1337079273, now seen corresponding path program 1 times [2021-06-11 07:05:34,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:34,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094247160] [2021-06-11 07:05:34,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:34,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:34,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:34,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:34,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:34,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:34,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:34,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:34,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:34,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:34,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:05:34,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094247160] [2021-06-11 07:05:34,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:34,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:34,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074910350] [2021-06-11 07:05:34,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:34,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:34,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:34,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:34,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 200 [2021-06-11 07:05:34,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 237 transitions, 3317 flow. Second operand has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:34,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:34,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 200 [2021-06-11 07:05:34,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:37,672 INFO L129 PetriNetUnfolder]: 12863/20339 cut-off events. [2021-06-11 07:05:37,672 INFO L130 PetriNetUnfolder]: For 153364/153364 co-relation queries the response was YES. [2021-06-11 07:05:37,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124944 conditions, 20339 events. 12863/20339 cut-off events. For 153364/153364 co-relation queries the response was YES. Maximal size of possible extension queue 2184. Compared 168418 event pairs, 3369 based on Foata normal form. 59/20170 useless extension candidates. Maximal degree in co-relation 124907. Up to 11668 conditions per place. [2021-06-11 07:05:37,918 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 232 selfloop transitions, 185 changer transitions 0/426 dead transitions. [2021-06-11 07:05:37,918 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 426 transitions, 6275 flow [2021-06-11 07:05:37,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:37,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:37,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1826 transitions. [2021-06-11 07:05:37,921 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7023076923076923 [2021-06-11 07:05:37,921 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1826 transitions. [2021-06-11 07:05:37,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1826 transitions. [2021-06-11 07:05:37,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:37,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1826 transitions. [2021-06-11 07:05:37,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 140.46153846153845) internal successors, (1826), 13 states have internal predecessors, (1826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:37,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:37,925 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:37,925 INFO L185 Difference]: Start difference. First operand has 91 places, 237 transitions, 3317 flow. Second operand 13 states and 1826 transitions. [2021-06-11 07:05:37,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 426 transitions, 6275 flow [2021-06-11 07:05:39,149 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 426 transitions, 6104 flow, removed 64 selfloop flow, removed 3 redundant places. [2021-06-11 07:05:39,154 INFO L241 Difference]: Finished difference. Result has 103 places, 305 transitions, 4658 flow [2021-06-11 07:05:39,154 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=3196, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=117, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=4658, PETRI_PLACES=103, PETRI_TRANSITIONS=305} [2021-06-11 07:05:39,154 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 64 predicate places. [2021-06-11 07:05:39,154 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:39,155 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 305 transitions, 4658 flow [2021-06-11 07:05:39,155 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 305 transitions, 4658 flow [2021-06-11 07:05:39,157 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 305 transitions, 4658 flow [2021-06-11 07:05:39,972 INFO L129 PetriNetUnfolder]: 4247/7457 cut-off events. [2021-06-11 07:05:39,972 INFO L130 PetriNetUnfolder]: For 97495/300713 co-relation queries the response was YES. [2021-06-11 07:05:40,082 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55464 conditions, 7457 events. 4247/7457 cut-off events. For 97495/300713 co-relation queries the response was YES. Maximal size of possible extension queue 853. Compared 62581 event pairs, 511 based on Foata normal form. 48/7060 useless extension candidates. Maximal degree in co-relation 55426. Up to 6335 conditions per place. [2021-06-11 07:05:40,159 INFO L151 LiptonReduction]: Number of co-enabled transitions 4328 [2021-06-11 07:05:40,174 INFO L163 LiptonReduction]: Checked pairs total: 25428 [2021-06-11 07:05:40,174 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:40,174 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1020 [2021-06-11 07:05:40,174 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 305 transitions, 4658 flow [2021-06-11 07:05:40,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:40,175 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:40,175 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:40,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-06-11 07:05:40,175 INFO L428 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:40,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:40,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1342078953, now seen corresponding path program 2 times [2021-06-11 07:05:40,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:40,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105491718] [2021-06-11 07:05:40,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:40,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:40,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:40,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:40,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:40,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:40,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:40,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:40,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:40,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:40,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:05:40,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105491718] [2021-06-11 07:05:40,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:40,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:40,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635974753] [2021-06-11 07:05:40,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:40,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:40,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:40,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:40,205 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 200 [2021-06-11 07:05:40,205 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 305 transitions, 4658 flow. Second operand has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:40,205 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:40,205 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 200 [2021-06-11 07:05:40,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:43,094 INFO L129 PetriNetUnfolder]: 13431/21375 cut-off events. [2021-06-11 07:05:43,095 INFO L130 PetriNetUnfolder]: For 202540/202540 co-relation queries the response was YES. [2021-06-11 07:05:43,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142219 conditions, 21375 events. 13431/21375 cut-off events. For 202540/202540 co-relation queries the response was YES. Maximal size of possible extension queue 2322. Compared 180601 event pairs, 3504 based on Foata normal form. 45/21191 useless extension candidates. Maximal degree in co-relation 142179. Up to 12302 conditions per place. [2021-06-11 07:05:43,294 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 252 selfloop transitions, 213 changer transitions 0/474 dead transitions. [2021-06-11 07:05:43,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 474 transitions, 7518 flow [2021-06-11 07:05:43,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:43,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:43,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1826 transitions. [2021-06-11 07:05:43,296 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7023076923076923 [2021-06-11 07:05:43,296 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1826 transitions. [2021-06-11 07:05:43,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1826 transitions. [2021-06-11 07:05:43,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:43,297 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1826 transitions. [2021-06-11 07:05:43,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 140.46153846153845) internal successors, (1826), 13 states have internal predecessors, (1826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:43,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:43,300 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:43,300 INFO L185 Difference]: Start difference. First operand has 103 places, 305 transitions, 4658 flow. Second operand 13 states and 1826 transitions. [2021-06-11 07:05:43,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 474 transitions, 7518 flow [2021-06-11 07:05:45,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 474 transitions, 7420 flow, removed 46 selfloop flow, removed 1 redundant places. [2021-06-11 07:05:45,395 INFO L241 Difference]: Finished difference. Result has 117 places, 353 transitions, 5872 flow [2021-06-11 07:05:45,395 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=4572, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5872, PETRI_PLACES=117, PETRI_TRANSITIONS=353} [2021-06-11 07:05:45,395 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 78 predicate places. [2021-06-11 07:05:45,395 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:45,395 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 117 places, 353 transitions, 5872 flow [2021-06-11 07:05:45,395 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 117 places, 353 transitions, 5872 flow [2021-06-11 07:05:45,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 353 transitions, 5872 flow [2021-06-11 07:05:46,329 INFO L129 PetriNetUnfolder]: 4546/8033 cut-off events. [2021-06-11 07:05:46,329 INFO L130 PetriNetUnfolder]: For 142383/471236 co-relation queries the response was YES. [2021-06-11 07:05:46,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64532 conditions, 8033 events. 4546/8033 cut-off events. For 142383/471236 co-relation queries the response was YES. Maximal size of possible extension queue 914. Compared 67720 event pairs, 546 based on Foata normal form. 67/7631 useless extension candidates. Maximal degree in co-relation 64490. Up to 6781 conditions per place. [2021-06-11 07:05:46,446 INFO L151 LiptonReduction]: Number of co-enabled transitions 4940 [2021-06-11 07:05:46,469 INFO L163 LiptonReduction]: Checked pairs total: 36335 [2021-06-11 07:05:46,469 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:46,470 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1075 [2021-06-11 07:05:46,471 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 353 transitions, 5872 flow [2021-06-11 07:05:46,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 132.14285714285714) internal successors, (925), 7 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:46,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:46,471 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:46,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-06-11 07:05:46,471 INFO L428 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:46,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:46,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1342082208, now seen corresponding path program 2 times [2021-06-11 07:05:46,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:46,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213529278] [2021-06-11 07:05:46,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:46,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:46,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:46,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:46,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:46,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:46,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:46,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:46,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:46,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:46,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:46,580 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:05:46,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213529278] [2021-06-11 07:05:46,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:46,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:05:46,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926881840] [2021-06-11 07:05:46,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:05:46,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:46,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:05:46,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:05:46,582 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 200 [2021-06-11 07:05:46,582 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 353 transitions, 5872 flow. Second operand has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:46,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:46,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 200 [2021-06-11 07:05:46,582 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:49,928 INFO L129 PetriNetUnfolder]: 14126/22705 cut-off events. [2021-06-11 07:05:49,928 INFO L130 PetriNetUnfolder]: For 281315/281352 co-relation queries the response was YES. [2021-06-11 07:05:50,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162050 conditions, 22705 events. 14126/22705 cut-off events. For 281315/281352 co-relation queries the response was YES. Maximal size of possible extension queue 2495. Compared 195304 event pairs, 4804 based on Foata normal form. 69/22480 useless extension candidates. Maximal degree in co-relation 162006. Up to 13134 conditions per place. [2021-06-11 07:05:50,290 INFO L132 encePairwiseOnDemand]: 191/200 looper letters, 256 selfloop transitions, 242 changer transitions 0/507 dead transitions. [2021-06-11 07:05:50,290 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 507 transitions, 8790 flow [2021-06-11 07:05:50,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:05:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:05:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1812 transitions. [2021-06-11 07:05:50,292 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.696923076923077 [2021-06-11 07:05:50,292 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1812 transitions. [2021-06-11 07:05:50,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1812 transitions. [2021-06-11 07:05:50,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:05:50,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1812 transitions. [2021-06-11 07:05:50,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 139.3846153846154) internal successors, (1812), 13 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:50,295 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:50,295 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 200.0) internal successors, (2800), 14 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:50,295 INFO L185 Difference]: Start difference. First operand has 117 places, 353 transitions, 5872 flow. Second operand 13 states and 1812 transitions. [2021-06-11 07:05:50,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 507 transitions, 8790 flow [2021-06-11 07:05:52,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 507 transitions, 8269 flow, removed 62 selfloop flow, removed 9 redundant places. [2021-06-11 07:05:52,863 INFO L241 Difference]: Finished difference. Result has 123 places, 410 transitions, 7017 flow [2021-06-11 07:05:52,863 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=5463, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=7017, PETRI_PLACES=123, PETRI_TRANSITIONS=410} [2021-06-11 07:05:52,863 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 84 predicate places. [2021-06-11 07:05:52,863 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:05:52,864 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 410 transitions, 7017 flow [2021-06-11 07:05:52,864 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 410 transitions, 7017 flow [2021-06-11 07:05:52,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 410 transitions, 7017 flow [2021-06-11 07:05:53,889 INFO L129 PetriNetUnfolder]: 5067/9000 cut-off events. [2021-06-11 07:05:53,889 INFO L130 PetriNetUnfolder]: For 170382/412076 co-relation queries the response was YES. [2021-06-11 07:05:53,929 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75342 conditions, 9000 events. 5067/9000 cut-off events. For 170382/412076 co-relation queries the response was YES. Maximal size of possible extension queue 1079. Compared 78318 event pairs, 599 based on Foata normal form. 69/8581 useless extension candidates. Maximal degree in co-relation 75297. Up to 7561 conditions per place. [2021-06-11 07:05:54,034 INFO L151 LiptonReduction]: Number of co-enabled transitions 5646 [2021-06-11 07:05:54,060 INFO L163 LiptonReduction]: Checked pairs total: 50955 [2021-06-11 07:05:54,060 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:05:54,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1197 [2021-06-11 07:05:54,061 INFO L480 AbstractCegarLoop]: Abstraction has has 123 places, 410 transitions, 7017 flow [2021-06-11 07:05:54,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 131.14285714285714) internal successors, (918), 7 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:54,061 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:05:54,061 INFO L263 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:05:54,061 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-06-11 07:05:54,061 INFO L428 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:05:54,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:05:54,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1564655847, now seen corresponding path program 1 times [2021-06-11 07:05:54,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:05:54,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208756216] [2021-06-11 07:05:54,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:05:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:05:54,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:54,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:54,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:54,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:54,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:05:54,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:05:54,082 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-11 07:05:54,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208756216] [2021-06-11 07:05:54,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:05:54,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:05:54,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481559356] [2021-06-11 07:05:54,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:05:54,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:05:54,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:05:54,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:05:54,083 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 200 [2021-06-11 07:05:54,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 410 transitions, 7017 flow. Second operand has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:05:54,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:05:54,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 200 [2021-06-11 07:05:54,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:05:59,910 INFO L129 PetriNetUnfolder]: 21554/36300 cut-off events. [2021-06-11 07:05:59,910 INFO L130 PetriNetUnfolder]: For 532973/533191 co-relation queries the response was YES. [2021-06-11 07:06:00,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 276604 conditions, 36300 events. 21554/36300 cut-off events. For 532973/533191 co-relation queries the response was YES. Maximal size of possible extension queue 3953. Compared 348929 event pairs, 7443 based on Foata normal form. 491/36378 useless extension candidates. Maximal degree in co-relation 276557. Up to 21649 conditions per place. [2021-06-11 07:06:00,313 INFO L132 encePairwiseOnDemand]: 192/200 looper letters, 677 selfloop transitions, 170 changer transitions 0/857 dead transitions. [2021-06-11 07:06:00,313 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 857 transitions, 16569 flow [2021-06-11 07:06:00,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:06:00,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:06:00,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 860 transitions. [2021-06-11 07:06:00,315 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7166666666666667 [2021-06-11 07:06:00,315 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 860 transitions. [2021-06-11 07:06:00,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 860 transitions. [2021-06-11 07:06:00,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:06:00,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 860 transitions. [2021-06-11 07:06:00,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 143.33333333333334) internal successors, (860), 6 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:00,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:00,317 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 200.0) internal successors, (1400), 7 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:00,317 INFO L185 Difference]: Start difference. First operand has 123 places, 410 transitions, 7017 flow. Second operand 6 states and 860 transitions. [2021-06-11 07:06:00,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 857 transitions, 16569 flow [2021-06-11 07:06:09,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 857 transitions, 16055 flow, removed 80 selfloop flow, removed 7 redundant places. [2021-06-11 07:06:09,990 INFO L241 Difference]: Finished difference. Result has 124 places, 551 transitions, 10066 flow [2021-06-11 07:06:09,990 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=6756, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=10066, PETRI_PLACES=124, PETRI_TRANSITIONS=551} [2021-06-11 07:06:09,990 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 85 predicate places. [2021-06-11 07:06:09,990 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:06:09,990 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 551 transitions, 10066 flow [2021-06-11 07:06:09,990 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 551 transitions, 10066 flow [2021-06-11 07:06:09,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 551 transitions, 10066 flow [2021-06-11 07:06:12,177 INFO L129 PetriNetUnfolder]: 9297/17172 cut-off events. [2021-06-11 07:06:12,178 INFO L130 PetriNetUnfolder]: For 363281/656234 co-relation queries the response was YES. [2021-06-11 07:06:12,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152917 conditions, 17172 events. 9297/17172 cut-off events. For 363281/656234 co-relation queries the response was YES. Maximal size of possible extension queue 2073. Compared 169924 event pairs, 803 based on Foata normal form. 247/16600 useless extension candidates. Maximal degree in co-relation 152869. Up to 14355 conditions per place. [2021-06-11 07:06:12,716 INFO L151 LiptonReduction]: Number of co-enabled transitions 7362 [2021-06-11 07:06:12,760 INFO L163 LiptonReduction]: Checked pairs total: 40680 [2021-06-11 07:06:12,761 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:06:12,761 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2771 [2021-06-11 07:06:12,761 INFO L480 AbstractCegarLoop]: Abstraction has has 124 places, 551 transitions, 10066 flow [2021-06-11 07:06:12,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 135.0) internal successors, (675), 5 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:12,761 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:06:12,761 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:06:12,761 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-06-11 07:06:12,762 INFO L428 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:06:12,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:06:12,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1592563676, now seen corresponding path program 1 times [2021-06-11 07:06:12,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:06:12,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590156086] [2021-06-11 07:06:12,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:06:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:06:12,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,799 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:06:12,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590156086] [2021-06-11 07:06:12,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709587901] [2021-06-11 07:06:12,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 07:06:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:06:12,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-11 07:06:12,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 07:06:12,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:12,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:12,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:12,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:06:12,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:12,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,942 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:12,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:12,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:06:12,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:12,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:12,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:12,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:06:12,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:12,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,968 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:12,968 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:12,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:06:12,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:12,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:12,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:12,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:06:12,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:12,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,979 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:12,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:12,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:06:12,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:12,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:12,981 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:06:12,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 07:06:12,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-11 07:06:12,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781471998] [2021-06-11 07:06:12,982 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 07:06:12,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:06:12,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 07:06:12,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-11 07:06:12,983 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 200 [2021-06-11 07:06:12,984 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 551 transitions, 10066 flow. Second operand has 11 states, 11 states have (on average 129.36363636363637) internal successors, (1423), 11 states have internal predecessors, (1423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:12,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:06:12,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 200 [2021-06-11 07:06:12,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:06:20,410 INFO L129 PetriNetUnfolder]: 21210/35529 cut-off events. [2021-06-11 07:06:20,412 INFO L130 PetriNetUnfolder]: For 588531/588694 co-relation queries the response was YES. [2021-06-11 07:06:20,634 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288943 conditions, 35529 events. 21210/35529 cut-off events. For 588531/588694 co-relation queries the response was YES. Maximal size of possible extension queue 3991. Compared 342587 event pairs, 4442 based on Foata normal form. 39/35301 useless extension candidates. Maximal degree in co-relation 288893. Up to 21554 conditions per place. [2021-06-11 07:06:20,838 INFO L132 encePairwiseOnDemand]: 190/200 looper letters, 307 selfloop transitions, 526 changer transitions 0/841 dead transitions. [2021-06-11 07:06:20,838 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 841 transitions, 15929 flow [2021-06-11 07:06:20,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 07:06:20,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 07:06:20,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3971 transitions. [2021-06-11 07:06:20,841 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6846551724137931 [2021-06-11 07:06:20,841 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3971 transitions. [2021-06-11 07:06:20,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3971 transitions. [2021-06-11 07:06:20,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:06:20,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3971 transitions. [2021-06-11 07:06:20,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 136.93103448275863) internal successors, (3971), 29 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:20,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:20,849 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:20,849 INFO L185 Difference]: Start difference. First operand has 124 places, 551 transitions, 10066 flow. Second operand 29 states and 3971 transitions. [2021-06-11 07:06:20,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 841 transitions, 15929 flow [2021-06-11 07:06:31,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 841 transitions, 15190 flow, removed 359 selfloop flow, removed 1 redundant places. [2021-06-11 07:06:31,819 INFO L241 Difference]: Finished difference. Result has 154 places, 622 transitions, 12319 flow [2021-06-11 07:06:31,819 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=9749, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=455, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=12319, PETRI_PLACES=154, PETRI_TRANSITIONS=622} [2021-06-11 07:06:31,819 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 115 predicate places. [2021-06-11 07:06:31,819 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:06:31,819 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 154 places, 622 transitions, 12319 flow [2021-06-11 07:06:31,819 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 154 places, 622 transitions, 12319 flow [2021-06-11 07:06:31,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 154 places, 622 transitions, 12319 flow [2021-06-11 07:06:34,160 INFO L129 PetriNetUnfolder]: 9368/17357 cut-off events. [2021-06-11 07:06:34,161 INFO L130 PetriNetUnfolder]: For 430750/752307 co-relation queries the response was YES. [2021-06-11 07:06:34,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161634 conditions, 17357 events. 9368/17357 cut-off events. For 430750/752307 co-relation queries the response was YES. Maximal size of possible extension queue 2138. Compared 172899 event pairs, 848 based on Foata normal form. 253/16695 useless extension candidates. Maximal degree in co-relation 161582. Up to 14424 conditions per place. [2021-06-11 07:06:34,720 INFO L151 LiptonReduction]: Number of co-enabled transitions 8220 [2021-06-11 07:06:34,779 INFO L163 LiptonReduction]: Checked pairs total: 52530 [2021-06-11 07:06:34,779 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:06:34,779 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2960 [2021-06-11 07:06:34,780 INFO L480 AbstractCegarLoop]: Abstraction has has 154 places, 622 transitions, 12319 flow [2021-06-11 07:06:34,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 129.36363636363637) internal successors, (1423), 11 states have internal predecessors, (1423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:34,780 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:06:34,780 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:06:34,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-11 07:06:34,987 INFO L428 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:06:34,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:06:34,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1726606778, now seen corresponding path program 2 times [2021-06-11 07:06:34,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:06:34,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402793750] [2021-06-11 07:06:34,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:06:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:06:35,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,036 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-11 07:06:35,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402793750] [2021-06-11 07:06:35,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100618908] [2021-06-11 07:06:35,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 07:06:35,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-11 07:06:35,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 07:06:35,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 15 conjunts are in the unsatisfiable core [2021-06-11 07:06:35,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 07:06:35,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:35,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:06:35,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 07:06:35,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:35,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:06:35,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-11 07:06:35,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:35,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:35,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:35,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:06:35,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:35,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:35,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:35,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:06:35,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:35,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,164 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:35,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:35,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:06:35,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:35,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:35,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:35,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:06:35,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:35,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:35,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:06:35,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:06:35,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:35,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:06:35,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:06:35,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:06:35,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:06:35,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:06:35,178 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-11 07:06:35,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 07:06:35,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-11 07:06:35,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316091299] [2021-06-11 07:06:35,179 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 07:06:35,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:06:35,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 07:06:35,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-11 07:06:35,180 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 200 [2021-06-11 07:06:35,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 622 transitions, 12319 flow. Second operand has 11 states, 11 states have (on average 129.54545454545453) internal successors, (1425), 11 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:35,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:06:35,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 200 [2021-06-11 07:06:35,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:06:42,992 INFO L129 PetriNetUnfolder]: 21280/35729 cut-off events. [2021-06-11 07:06:42,993 INFO L130 PetriNetUnfolder]: For 672791/672954 co-relation queries the response was YES. [2021-06-11 07:06:43,220 INFO L84 FinitePrefix]: Finished finitePrefix Result has 302668 conditions, 35729 events. 21280/35729 cut-off events. For 672791/672954 co-relation queries the response was YES. Maximal size of possible extension queue 4022. Compared 346548 event pairs, 4448 based on Foata normal form. 39/35501 useless extension candidates. Maximal degree in co-relation 302614. Up to 21683 conditions per place. [2021-06-11 07:06:43,433 INFO L132 encePairwiseOnDemand]: 190/200 looper letters, 317 selfloop transitions, 550 changer transitions 0/875 dead transitions. [2021-06-11 07:06:43,433 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 875 transitions, 17335 flow [2021-06-11 07:06:43,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 07:06:43,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 07:06:43,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3971 transitions. [2021-06-11 07:06:43,436 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6846551724137931 [2021-06-11 07:06:43,436 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3971 transitions. [2021-06-11 07:06:43,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3971 transitions. [2021-06-11 07:06:43,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:06:43,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3971 transitions. [2021-06-11 07:06:43,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 136.93103448275863) internal successors, (3971), 29 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:43,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:43,443 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:06:43,444 INFO L185 Difference]: Start difference. First operand has 154 places, 622 transitions, 12319 flow. Second operand 29 states and 3971 transitions. [2021-06-11 07:06:43,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 875 transitions, 17335 flow [2021-06-11 07:07:00,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 875 transitions, 16422 flow, removed 69 selfloop flow, removed 19 redundant places. [2021-06-11 07:07:00,325 INFO L241 Difference]: Finished difference. Result has 166 places, 663 transitions, 13534 flow [2021-06-11 07:07:00,325 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=11446, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=622, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=509, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=13534, PETRI_PLACES=166, PETRI_TRANSITIONS=663} [2021-06-11 07:07:00,325 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 127 predicate places. [2021-06-11 07:07:00,325 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:07:00,326 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 663 transitions, 13534 flow [2021-06-11 07:07:00,326 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 663 transitions, 13534 flow [2021-06-11 07:07:00,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 166 places, 663 transitions, 13534 flow [2021-06-11 07:07:02,812 INFO L129 PetriNetUnfolder]: 9488/17563 cut-off events. [2021-06-11 07:07:02,812 INFO L130 PetriNetUnfolder]: For 475709/843461 co-relation queries the response was YES. [2021-06-11 07:07:02,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 171616 conditions, 17563 events. 9488/17563 cut-off events. For 475709/843461 co-relation queries the response was YES. Maximal size of possible extension queue 2171. Compared 175056 event pairs, 810 based on Foata normal form. 306/17012 useless extension candidates. Maximal degree in co-relation 171563. Up to 14634 conditions per place. [2021-06-11 07:07:03,150 INFO L151 LiptonReduction]: Number of co-enabled transitions 8690 [2021-06-11 07:07:03,220 INFO L163 LiptonReduction]: Checked pairs total: 60480 [2021-06-11 07:07:03,221 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:07:03,221 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2896 [2021-06-11 07:07:03,221 INFO L480 AbstractCegarLoop]: Abstraction has has 166 places, 663 transitions, 13534 flow [2021-06-11 07:07:03,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 129.54545454545453) internal successors, (1425), 11 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:03,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:07:03,221 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:07:03,422 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-11 07:07:03,422 INFO L428 AbstractCegarLoop]: === Iteration 14 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:07:03,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:07:03,423 INFO L82 PathProgramCache]: Analyzing trace with hash 736099044, now seen corresponding path program 3 times [2021-06-11 07:07:03,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:07:03,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273016127] [2021-06-11 07:07:03,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:07:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:07:03,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:03,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:03,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:03,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:03,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:03,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:03,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:03,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:03,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:03,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:03,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:03,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:03,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:03,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:03,518 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:07:03,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273016127] [2021-06-11 07:07:03,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:07:03,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 07:07:03,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483016882] [2021-06-11 07:07:03,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 07:07:03,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:07:03,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 07:07:03,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-11 07:07:03,519 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 200 [2021-06-11 07:07:03,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 663 transitions, 13534 flow. Second operand has 9 states, 9 states have (on average 129.22222222222223) internal successors, (1163), 9 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:03,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:07:03,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 200 [2021-06-11 07:07:03,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:07:03,830 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2021-06-11 07:07:11,822 INFO L129 PetriNetUnfolder]: 21350/35923 cut-off events. [2021-06-11 07:07:11,822 INFO L130 PetriNetUnfolder]: For 773727/773828 co-relation queries the response was YES. [2021-06-11 07:07:12,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 316954 conditions, 35923 events. 21350/35923 cut-off events. For 773727/773828 co-relation queries the response was YES. Maximal size of possible extension queue 4055. Compared 348804 event pairs, 4578 based on Foata normal form. 34/35723 useless extension candidates. Maximal degree in co-relation 316899. Up to 21812 conditions per place. [2021-06-11 07:07:12,412 INFO L132 encePairwiseOnDemand]: 190/200 looper letters, 346 selfloop transitions, 576 changer transitions 0/930 dead transitions. [2021-06-11 07:07:12,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 930 transitions, 19069 flow [2021-06-11 07:07:12,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 07:07:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 07:07:12,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3971 transitions. [2021-06-11 07:07:12,416 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6846551724137931 [2021-06-11 07:07:12,416 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3971 transitions. [2021-06-11 07:07:12,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3971 transitions. [2021-06-11 07:07:12,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:07:12,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3971 transitions. [2021-06-11 07:07:12,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 136.93103448275863) internal successors, (3971), 29 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:12,423 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:12,423 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:12,423 INFO L185 Difference]: Start difference. First operand has 166 places, 663 transitions, 13534 flow. Second operand 29 states and 3971 transitions. [2021-06-11 07:07:12,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 930 transitions, 19069 flow [2021-06-11 07:07:28,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 930 transitions, 18141 flow, removed 63 selfloop flow, removed 18 redundant places. [2021-06-11 07:07:28,155 INFO L241 Difference]: Finished difference. Result has 179 places, 719 transitions, 15080 flow [2021-06-11 07:07:28,155 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=12638, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=663, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=520, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=15080, PETRI_PLACES=179, PETRI_TRANSITIONS=719} [2021-06-11 07:07:28,155 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 140 predicate places. [2021-06-11 07:07:28,155 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:07:28,156 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 719 transitions, 15080 flow [2021-06-11 07:07:28,156 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 179 places, 719 transitions, 15080 flow [2021-06-11 07:07:28,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 179 places, 719 transitions, 15080 flow [2021-06-11 07:07:31,075 INFO L129 PetriNetUnfolder]: 9573/17754 cut-off events. [2021-06-11 07:07:31,075 INFO L130 PetriNetUnfolder]: For 598960/1009262 co-relation queries the response was YES. [2021-06-11 07:07:31,176 INFO L84 FinitePrefix]: Finished finitePrefix Result has 179687 conditions, 17754 events. 9573/17754 cut-off events. For 598960/1009262 co-relation queries the response was YES. Maximal size of possible extension queue 2201. Compared 178494 event pairs, 816 based on Foata normal form. 312/17213 useless extension candidates. Maximal degree in co-relation 179631. Up to 14744 conditions per place. [2021-06-11 07:07:31,529 INFO L151 LiptonReduction]: Number of co-enabled transitions 9366 [2021-06-11 07:07:31,606 INFO L163 LiptonReduction]: Checked pairs total: 71492 [2021-06-11 07:07:31,606 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:07:31,606 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3451 [2021-06-11 07:07:31,606 INFO L480 AbstractCegarLoop]: Abstraction has has 179 places, 719 transitions, 15080 flow [2021-06-11 07:07:31,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 129.22222222222223) internal successors, (1163), 9 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:31,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:07:31,607 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:07:31,607 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-06-11 07:07:31,607 INFO L428 AbstractCegarLoop]: === Iteration 15 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:07:31,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:07:31,607 INFO L82 PathProgramCache]: Analyzing trace with hash -807054674, now seen corresponding path program 4 times [2021-06-11 07:07:31,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:07:31,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127914844] [2021-06-11 07:07:31,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:07:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:07:31,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,654 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:07:31,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127914844] [2021-06-11 07:07:31,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11000615] [2021-06-11 07:07:31,654 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 07:07:31,729 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-11 07:07:31,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-11 07:07:31,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-11 07:07:31,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 07:07:31,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:07:31,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:07:31,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:07:31,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:07:31,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:07:31,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,764 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:07:31,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:07:31,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:07:31,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:07:31,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:07:31,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:07:31,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:07:31,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:07:31,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:07:31,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:07:31,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:07:31,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:07:31,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:07:31,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:07:31,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:07:31,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:07:31,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,775 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:07:31,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:07:31,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:07:31,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:07:31,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:07:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:07:31,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 07:07:31,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-06-11 07:07:31,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445647334] [2021-06-11 07:07:31,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-11 07:07:31,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:07:31,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-11 07:07:31,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-06-11 07:07:31,783 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 200 [2021-06-11 07:07:31,783 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 719 transitions, 15080 flow. Second operand has 11 states, 11 states have (on average 129.54545454545453) internal successors, (1425), 11 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:31,783 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:07:31,783 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 200 [2021-06-11 07:07:31,783 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:07:40,719 INFO L129 PetriNetUnfolder]: 21420/36099 cut-off events. [2021-06-11 07:07:40,719 INFO L130 PetriNetUnfolder]: For 824124/824244 co-relation queries the response was YES. [2021-06-11 07:07:41,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 329626 conditions, 36099 events. 21420/36099 cut-off events. For 824124/824244 co-relation queries the response was YES. Maximal size of possible extension queue 4088. Compared 352992 event pairs, 4244 based on Foata normal form. 25/35912 useless extension candidates. Maximal degree in co-relation 329568. Up to 21941 conditions per place. [2021-06-11 07:07:41,237 INFO L132 encePairwiseOnDemand]: 190/200 looper letters, 404 selfloop transitions, 581 changer transitions 0/993 dead transitions. [2021-06-11 07:07:41,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 993 transitions, 21006 flow [2021-06-11 07:07:41,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 07:07:41,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 07:07:41,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3971 transitions. [2021-06-11 07:07:41,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6846551724137931 [2021-06-11 07:07:41,240 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3971 transitions. [2021-06-11 07:07:41,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3971 transitions. [2021-06-11 07:07:41,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:07:41,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3971 transitions. [2021-06-11 07:07:41,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 136.93103448275863) internal successors, (3971), 29 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:41,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:41,247 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:07:41,247 INFO L185 Difference]: Start difference. First operand has 179 places, 719 transitions, 15080 flow. Second operand 29 states and 3971 transitions. [2021-06-11 07:07:41,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 993 transitions, 21006 flow [2021-06-11 07:08:01,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 993 transitions, 20126 flow, removed 52 selfloop flow, removed 19 redundant places. [2021-06-11 07:08:01,977 INFO L241 Difference]: Finished difference. Result has 191 places, 765 transitions, 16526 flow [2021-06-11 07:08:01,978 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=14236, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=719, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=535, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=16526, PETRI_PLACES=191, PETRI_TRANSITIONS=765} [2021-06-11 07:08:01,978 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 152 predicate places. [2021-06-11 07:08:01,978 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:08:01,978 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 191 places, 765 transitions, 16526 flow [2021-06-11 07:08:01,978 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 191 places, 765 transitions, 16526 flow [2021-06-11 07:08:01,983 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 191 places, 765 transitions, 16526 flow [2021-06-11 07:08:05,193 INFO L129 PetriNetUnfolder]: 9725/18041 cut-off events. [2021-06-11 07:08:05,193 INFO L130 PetriNetUnfolder]: For 683740/1136123 co-relation queries the response was YES. [2021-06-11 07:08:05,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 189634 conditions, 18041 events. 9725/18041 cut-off events. For 683740/1136123 co-relation queries the response was YES. Maximal size of possible extension queue 2270. Compared 181896 event pairs, 783 based on Foata normal form. 376/17540 useless extension candidates. Maximal degree in co-relation 189575. Up to 15001 conditions per place. [2021-06-11 07:08:05,809 INFO L151 LiptonReduction]: Number of co-enabled transitions 9906 [2021-06-11 07:08:05,901 INFO L163 LiptonReduction]: Checked pairs total: 82104 [2021-06-11 07:08:05,901 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:08:05,902 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3924 [2021-06-11 07:08:05,903 INFO L480 AbstractCegarLoop]: Abstraction has has 191 places, 765 transitions, 16526 flow [2021-06-11 07:08:05,903 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 129.54545454545453) internal successors, (1425), 11 states have internal predecessors, (1425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:05,903 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:08:05,903 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:08:06,129 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 07:08:06,129 INFO L428 AbstractCegarLoop]: === Iteration 16 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:08:06,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:08:06,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1250823908, now seen corresponding path program 5 times [2021-06-11 07:08:06,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:08:06,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077967745] [2021-06-11 07:08:06,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:08:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:08:06,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:06,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:06,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:06,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:06,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:06,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:06,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:06,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:06,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:06,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:06,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:06,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:06,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:06,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:06,193 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:08:06,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077967745] [2021-06-11 07:08:06,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:08:06,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 07:08:06,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667404009] [2021-06-11 07:08:06,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 07:08:06,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:08:06,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 07:08:06,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-11 07:08:06,196 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 200 [2021-06-11 07:08:06,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 765 transitions, 16526 flow. Second operand has 9 states, 9 states have (on average 129.22222222222223) internal successors, (1163), 9 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:06,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:08:06,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 200 [2021-06-11 07:08:06,197 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:08:15,969 INFO L129 PetriNetUnfolder]: 21490/36299 cut-off events. [2021-06-11 07:08:15,969 INFO L130 PetriNetUnfolder]: For 913217/913337 co-relation queries the response was YES. [2021-06-11 07:08:16,238 INFO L84 FinitePrefix]: Finished finitePrefix Result has 343196 conditions, 36299 events. 21490/36299 cut-off events. For 913217/913337 co-relation queries the response was YES. Maximal size of possible extension queue 4117. Compared 356422 event pairs, 4187 based on Foata normal form. 25/36112 useless extension candidates. Maximal degree in co-relation 343135. Up to 22070 conditions per place. [2021-06-11 07:08:16,487 INFO L132 encePairwiseOnDemand]: 190/200 looper letters, 417 selfloop transitions, 597 changer transitions 0/1022 dead transitions. [2021-06-11 07:08:16,487 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 1022 transitions, 22299 flow [2021-06-11 07:08:16,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 07:08:16,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 07:08:16,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3971 transitions. [2021-06-11 07:08:16,502 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6846551724137931 [2021-06-11 07:08:16,502 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3971 transitions. [2021-06-11 07:08:16,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3971 transitions. [2021-06-11 07:08:16,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:08:16,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3971 transitions. [2021-06-11 07:08:16,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 136.93103448275863) internal successors, (3971), 29 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:16,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:16,523 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:16,523 INFO L185 Difference]: Start difference. First operand has 191 places, 765 transitions, 16526 flow. Second operand 29 states and 3971 transitions. [2021-06-11 07:08:16,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 1022 transitions, 22299 flow [2021-06-11 07:08:43,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 1022 transitions, 21376 flow, removed 78 selfloop flow, removed 18 redundant places. [2021-06-11 07:08:43,251 INFO L241 Difference]: Finished difference. Result has 204 places, 811 transitions, 17929 flow [2021-06-11 07:08:43,251 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=15627, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=765, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=551, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=17929, PETRI_PLACES=204, PETRI_TRANSITIONS=811} [2021-06-11 07:08:43,251 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 165 predicate places. [2021-06-11 07:08:43,251 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:08:43,251 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 204 places, 811 transitions, 17929 flow [2021-06-11 07:08:43,251 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 204 places, 811 transitions, 17929 flow [2021-06-11 07:08:43,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 204 places, 811 transitions, 17929 flow [2021-06-11 07:08:46,256 INFO L129 PetriNetUnfolder]: 9777/18197 cut-off events. [2021-06-11 07:08:46,257 INFO L130 PetriNetUnfolder]: For 796967/1465619 co-relation queries the response was YES. [2021-06-11 07:08:46,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 198129 conditions, 18197 events. 9777/18197 cut-off events. For 796967/1465619 co-relation queries the response was YES. Maximal size of possible extension queue 2250. Compared 183474 event pairs, 816 based on Foata normal form. 309/17522 useless extension candidates. Maximal degree in co-relation 198067. Up to 15062 conditions per place. [2021-06-11 07:08:46,898 INFO L151 LiptonReduction]: Number of co-enabled transitions 10462 [2021-06-11 07:08:46,999 INFO L163 LiptonReduction]: Checked pairs total: 92400 [2021-06-11 07:08:46,999 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:08:46,999 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3748 [2021-06-11 07:08:46,999 INFO L480 AbstractCegarLoop]: Abstraction has has 204 places, 811 transitions, 17929 flow [2021-06-11 07:08:47,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 129.22222222222223) internal successors, (1163), 9 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:47,000 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:08:47,000 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:08:47,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-06-11 07:08:47,000 INFO L428 AbstractCegarLoop]: === Iteration 17 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:08:47,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:08:47,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1247699108, now seen corresponding path program 6 times [2021-06-11 07:08:47,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:08:47,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472279435] [2021-06-11 07:08:47,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:08:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:08:47,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:47,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:47,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:47,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:47,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:47,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:47,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:47,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:47,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:47,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:47,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:47,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:47,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:08:47,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:08:47,037 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:08:47,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472279435] [2021-06-11 07:08:47,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:08:47,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-11 07:08:47,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906229649] [2021-06-11 07:08:47,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 07:08:47,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:08:47,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 07:08:47,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-06-11 07:08:47,038 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 200 [2021-06-11 07:08:47,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 811 transitions, 17929 flow. Second operand has 9 states, 9 states have (on average 129.22222222222223) internal successors, (1163), 9 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:47,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:08:47,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 200 [2021-06-11 07:08:47,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:08:57,281 INFO L129 PetriNetUnfolder]: 21560/36553 cut-off events. [2021-06-11 07:08:57,281 INFO L130 PetriNetUnfolder]: For 1045313/1045485 co-relation queries the response was YES. [2021-06-11 07:08:57,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 356831 conditions, 36553 events. 21560/36553 cut-off events. For 1045313/1045485 co-relation queries the response was YES. Maximal size of possible extension queue 4148. Compared 357980 event pairs, 5107 based on Foata normal form. 48/36319 useless extension candidates. Maximal degree in co-relation 356767. Up to 22199 conditions per place. [2021-06-11 07:08:57,940 INFO L132 encePairwiseOnDemand]: 190/200 looper letters, 433 selfloop transitions, 611 changer transitions 0/1052 dead transitions. [2021-06-11 07:08:57,941 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 1052 transitions, 23657 flow [2021-06-11 07:08:57,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-11 07:08:57,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-06-11 07:08:57,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 3971 transitions. [2021-06-11 07:08:57,943 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6846551724137931 [2021-06-11 07:08:57,943 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 3971 transitions. [2021-06-11 07:08:57,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 3971 transitions. [2021-06-11 07:08:57,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:08:57,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 3971 transitions. [2021-06-11 07:08:57,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 136.93103448275863) internal successors, (3971), 29 states have internal predecessors, (3971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:57,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:57,950 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 200.0) internal successors, (6000), 30 states have internal predecessors, (6000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:08:57,950 INFO L185 Difference]: Start difference. First operand has 204 places, 811 transitions, 17929 flow. Second operand 29 states and 3971 transitions. [2021-06-11 07:08:57,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 1052 transitions, 23657 flow [2021-06-11 07:09:24,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 1052 transitions, 22728 flow, removed 58 selfloop flow, removed 19 redundant places. [2021-06-11 07:09:24,153 INFO L241 Difference]: Finished difference. Result has 216 places, 847 transitions, 19222 flow [2021-06-11 07:09:24,154 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=200, PETRI_DIFFERENCE_MINUEND_FLOW=17016, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=811, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=575, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=19222, PETRI_PLACES=216, PETRI_TRANSITIONS=847} [2021-06-11 07:09:24,154 INFO L343 CegarLoopForPetriNet]: 39 programPoint places, 177 predicate places. [2021-06-11 07:09:24,154 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:09:24,154 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 216 places, 847 transitions, 19222 flow [2021-06-11 07:09:24,154 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 216 places, 847 transitions, 19222 flow [2021-06-11 07:09:24,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 216 places, 847 transitions, 19222 flow [2021-06-11 07:09:27,379 INFO L129 PetriNetUnfolder]: 9832/18346 cut-off events. [2021-06-11 07:09:27,380 INFO L130 PetriNetUnfolder]: For 858557/1488321 co-relation queries the response was YES. [2021-06-11 07:09:27,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206387 conditions, 18346 events. 9832/18346 cut-off events. For 858557/1488321 co-relation queries the response was YES. Maximal size of possible extension queue 2278. Compared 185830 event pairs, 827 based on Foata normal form. 349/17760 useless extension candidates. Maximal degree in co-relation 206322. Up to 15167 conditions per place. [2021-06-11 07:09:28,174 INFO L151 LiptonReduction]: Number of co-enabled transitions 10858 [2021-06-11 07:09:28,283 INFO L163 LiptonReduction]: Checked pairs total: 101232 [2021-06-11 07:09:28,283 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:09:28,284 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4130 [2021-06-11 07:09:28,284 INFO L480 AbstractCegarLoop]: Abstraction has has 216 places, 847 transitions, 19222 flow [2021-06-11 07:09:28,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 129.22222222222223) internal successors, (1163), 9 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:28,284 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:09:28,284 INFO L263 CegarLoopForPetriNet]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:09:28,284 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-06-11 07:09:28,284 INFO L428 AbstractCegarLoop]: === Iteration 18 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:09:28,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:09:28,285 INFO L82 PathProgramCache]: Analyzing trace with hash -403556844, now seen corresponding path program 1 times [2021-06-11 07:09:28,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:09:28,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513511732] [2021-06-11 07:09:28,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:09:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:09:28,291 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:09:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 07:09:28,294 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 07:09:28,297 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 07:09:28,297 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 07:09:28,298 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-06-11 07:09:28,298 WARN L342 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-11 07:09:28,298 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-06-11 07:09:28,324 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,325 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,326 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,327 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,328 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,329 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,331 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,337 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,338 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,338 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,338 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,339 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,339 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,339 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,339 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,339 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,339 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,339 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,340 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,340 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,340 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,340 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,340 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,341 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,341 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,341 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,341 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,341 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,342 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,342 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,342 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,342 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,342 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,342 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,344 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 07:09:28,347 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 07:09:28,348 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-06-11 07:09:28,348 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 07:09:28,348 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 07:09:28,348 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 07:09:28,348 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 07:09:28,348 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 07:09:28,348 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 07:09:28,348 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 07:09:28,348 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 07:09:28,349 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 170 places, 151 transitions, 422 flow [2021-06-11 07:09:28,356 INFO L129 PetriNetUnfolder]: 8/176 cut-off events. [2021-06-11 07:09:28,356 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-06-11 07:09:28,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 176 events. 8/176 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 300 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 211. Up to 14 conditions per place. [2021-06-11 07:09:28,357 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 151 transitions, 422 flow [2021-06-11 07:09:28,358 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 90 transitions, 243 flow [2021-06-11 07:09:28,358 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:09:28,358 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 90 transitions, 243 flow [2021-06-11 07:09:28,358 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 90 transitions, 243 flow [2021-06-11 07:09:28,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 90 transitions, 243 flow [2021-06-11 07:09:28,365 INFO L129 PetriNetUnfolder]: 8/176 cut-off events. [2021-06-11 07:09:28,365 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-06-11 07:09:28,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 176 events. 8/176 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 318 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 190. Up to 14 conditions per place. [2021-06-11 07:09:28,367 INFO L151 LiptonReduction]: Number of co-enabled transitions 3732 [2021-06-11 07:09:28,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:28,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:09:28,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:09:28,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,541 INFO L142 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-06-11 07:09:28,542 INFO L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-06-11 07:09:28,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:28,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:09:28,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:09:28,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:28,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:28,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:29,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:09:29,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:09:29,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,377 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-06-11 07:09:29,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:29,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:09:29,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 07:09:29,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:29,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,958 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:29,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,960 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:29,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:09:29,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:09:29,963 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:29,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:29,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:09:29,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:09:29,965 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:29,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:29,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:09:29,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:09:30,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:30,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 07:09:30,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:30,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:30,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:30,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 07:09:30,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 07:09:30,393 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-06-11 07:09:30,623 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-06-11 07:09:30,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:30,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:30,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:30,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:30,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:30,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 07:09:30,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-11 07:09:30,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:30,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:30,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:30,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:30,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 07:09:30,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-06-11 07:09:30,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:30,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:30,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-06-11 07:09:30,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-06-11 07:09:30,709 INFO L163 LiptonReduction]: Checked pairs total: 4257 [2021-06-11 07:09:30,710 INFO L165 LiptonReduction]: Total number of compositions: 70 [2021-06-11 07:09:30,710 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2352 [2021-06-11 07:09:30,711 INFO L129 PetriNetUnfolder]: 0/4 cut-off events. [2021-06-11 07:09:30,711 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 07:09:30,711 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:09:30,711 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 07:09:30,711 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:09:30,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:09:30,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1196220, now seen corresponding path program 1 times [2021-06-11 07:09:30,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:09:30,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798499979] [2021-06-11 07:09:30,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:09:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:09:30,718 INFO L142 QuantifierPusher]: treesize reduction 4, result has 42.9 percent of original size [2021-06-11 07:09:30,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:30,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:09:30,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798499979] [2021-06-11 07:09:30,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:09:30,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 07:09:30,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067518182] [2021-06-11 07:09:30,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 07:09:30,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:09:30,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 07:09:30,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 07:09:30,721 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 221 [2021-06-11 07:09:30,721 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 28 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:30,721 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:09:30,721 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 221 [2021-06-11 07:09:30,722 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:09:31,265 INFO L129 PetriNetUnfolder]: 9503/12320 cut-off events. [2021-06-11 07:09:31,265 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2021-06-11 07:09:31,291 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24655 conditions, 12320 events. 9503/12320 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 851. Compared 62303 event pairs, 3020 based on Foata normal form. 0/11287 useless extension candidates. Maximal degree in co-relation 24641. Up to 9912 conditions per place. [2021-06-11 07:09:31,327 INFO L132 encePairwiseOnDemand]: 211/221 looper letters, 20 selfloop transitions, 8 changer transitions 0/40 dead transitions. [2021-06-11 07:09:31,327 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 40 transitions, 199 flow [2021-06-11 07:09:31,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 07:09:31,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 07:09:31,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 481 transitions. [2021-06-11 07:09:31,328 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7254901960784313 [2021-06-11 07:09:31,328 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 481 transitions. [2021-06-11 07:09:31,328 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 481 transitions. [2021-06-11 07:09:31,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:09:31,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 481 transitions. [2021-06-11 07:09:31,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:31,329 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:31,329 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:31,329 INFO L185 Difference]: Start difference. First operand has 44 places, 28 transitions, 119 flow. Second operand 3 states and 481 transitions. [2021-06-11 07:09:31,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 40 transitions, 199 flow [2021-06-11 07:09:31,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 40 transitions, 168 flow, removed 15 selfloop flow, removed 1 redundant places. [2021-06-11 07:09:31,330 INFO L241 Difference]: Finished difference. Result has 46 places, 34 transitions, 148 flow [2021-06-11 07:09:31,330 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=148, PETRI_PLACES=46, PETRI_TRANSITIONS=34} [2021-06-11 07:09:31,331 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 2 predicate places. [2021-06-11 07:09:31,331 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:09:31,331 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 34 transitions, 148 flow [2021-06-11 07:09:31,331 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 34 transitions, 148 flow [2021-06-11 07:09:31,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 34 transitions, 148 flow [2021-06-11 07:09:31,363 INFO L129 PetriNetUnfolder]: 630/919 cut-off events. [2021-06-11 07:09:31,364 INFO L130 PetriNetUnfolder]: For 103/442 co-relation queries the response was YES. [2021-06-11 07:09:31,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2094 conditions, 919 events. 630/919 cut-off events. For 103/442 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 4070 event pairs, 289 based on Foata normal form. 0/788 useless extension candidates. Maximal degree in co-relation 2079. Up to 820 conditions per place. [2021-06-11 07:09:31,370 INFO L151 LiptonReduction]: Number of co-enabled transitions 476 [2021-06-11 07:09:31,380 INFO L163 LiptonReduction]: Checked pairs total: 294 [2021-06-11 07:09:31,380 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:09:31,381 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-06-11 07:09:31,381 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 34 transitions, 148 flow [2021-06-11 07:09:31,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:31,381 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:09:31,381 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:09:31,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-06-11 07:09:31,381 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:09:31,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:09:31,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1181928294, now seen corresponding path program 1 times [2021-06-11 07:09:31,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:09:31,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072850666] [2021-06-11 07:09:31,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:09:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:09:31,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:31,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:31,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:31,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:31,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:31,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:31,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 07:09:31,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072850666] [2021-06-11 07:09:31,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:09:31,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:09:31,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16065821] [2021-06-11 07:09:31,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:09:31,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:09:31,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:09:31,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:09:31,413 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 221 [2021-06-11 07:09:31,413 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 34 transitions, 148 flow. Second operand has 5 states, 5 states have (on average 149.0) internal successors, (745), 5 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:31,413 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:09:31,413 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 221 [2021-06-11 07:09:31,414 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:09:32,514 INFO L129 PetriNetUnfolder]: 16511/21829 cut-off events. [2021-06-11 07:09:32,515 INFO L130 PetriNetUnfolder]: For 5292/5292 co-relation queries the response was YES. [2021-06-11 07:09:32,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60328 conditions, 21829 events. 16511/21829 cut-off events. For 5292/5292 co-relation queries the response was YES. Maximal size of possible extension queue 1624. Compared 125586 event pairs, 5865 based on Foata normal form. 243/21562 useless extension candidates. Maximal degree in co-relation 60311. Up to 11168 conditions per place. [2021-06-11 07:09:32,626 INFO L132 encePairwiseOnDemand]: 212/221 looper letters, 56 selfloop transitions, 25 changer transitions 0/92 dead transitions. [2021-06-11 07:09:32,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 92 transitions, 548 flow [2021-06-11 07:09:32,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:09:32,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:09:32,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 953 transitions. [2021-06-11 07:09:32,628 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7187028657616893 [2021-06-11 07:09:32,628 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 953 transitions. [2021-06-11 07:09:32,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 953 transitions. [2021-06-11 07:09:32,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:09:32,628 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 953 transitions. [2021-06-11 07:09:32,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 158.83333333333334) internal successors, (953), 6 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:32,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:32,630 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:32,630 INFO L185 Difference]: Start difference. First operand has 46 places, 34 transitions, 148 flow. Second operand 6 states and 953 transitions. [2021-06-11 07:09:32,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 92 transitions, 548 flow [2021-06-11 07:09:32,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 92 transitions, 484 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 07:09:32,657 INFO L241 Difference]: Finished difference. Result has 52 places, 63 transitions, 371 flow [2021-06-11 07:09:32,657 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=371, PETRI_PLACES=52, PETRI_TRANSITIONS=63} [2021-06-11 07:09:32,657 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 8 predicate places. [2021-06-11 07:09:32,657 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:09:32,657 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 63 transitions, 371 flow [2021-06-11 07:09:32,657 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 63 transitions, 371 flow [2021-06-11 07:09:32,657 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 63 transitions, 371 flow [2021-06-11 07:09:32,742 INFO L129 PetriNetUnfolder]: 1442/2112 cut-off events. [2021-06-11 07:09:32,743 INFO L130 PetriNetUnfolder]: For 1434/14552 co-relation queries the response was YES. [2021-06-11 07:09:32,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6582 conditions, 2112 events. 1442/2112 cut-off events. For 1434/14552 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 10753 event pairs, 463 based on Foata normal form. 1/1863 useless extension candidates. Maximal degree in co-relation 6564. Up to 1910 conditions per place. [2021-06-11 07:09:32,761 INFO L151 LiptonReduction]: Number of co-enabled transitions 1072 [2021-06-11 07:09:32,768 INFO L163 LiptonReduction]: Checked pairs total: 1680 [2021-06-11 07:09:32,768 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:09:32,768 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 111 [2021-06-11 07:09:32,768 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 63 transitions, 371 flow [2021-06-11 07:09:32,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 149.0) internal successors, (745), 5 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:32,769 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:09:32,769 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:09:32,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-06-11 07:09:32,769 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:09:32,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:09:32,769 INFO L82 PathProgramCache]: Analyzing trace with hash -772703441, now seen corresponding path program 1 times [2021-06-11 07:09:32,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:09:32,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214116981] [2021-06-11 07:09:32,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:09:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:09:32,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:32,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:32,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:32,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:32,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:32,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:32,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:09:32,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214116981] [2021-06-11 07:09:32,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:09:32,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:09:32,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698301381] [2021-06-11 07:09:32,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:09:32,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:09:32,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:09:32,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:09:32,786 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 221 [2021-06-11 07:09:32,786 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 63 transitions, 371 flow. Second operand has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:32,787 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:09:32,787 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 221 [2021-06-11 07:09:32,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:09:35,512 INFO L129 PetriNetUnfolder]: 28168/37943 cut-off events. [2021-06-11 07:09:35,512 INFO L130 PetriNetUnfolder]: For 27715/27715 co-relation queries the response was YES. [2021-06-11 07:09:35,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124719 conditions, 37943 events. 28168/37943 cut-off events. For 27715/27715 co-relation queries the response was YES. Maximal size of possible extension queue 2968. Compared 246065 event pairs, 11109 based on Foata normal form. 389/37648 useless extension candidates. Maximal degree in co-relation 124699. Up to 20140 conditions per place. [2021-06-11 07:09:35,753 INFO L132 encePairwiseOnDemand]: 212/221 looper letters, 88 selfloop transitions, 43 changer transitions 0/142 dead transitions. [2021-06-11 07:09:35,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 142 transitions, 1066 flow [2021-06-11 07:09:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:09:35,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:09:35,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 948 transitions. [2021-06-11 07:09:35,755 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7149321266968326 [2021-06-11 07:09:35,755 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 948 transitions. [2021-06-11 07:09:35,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 948 transitions. [2021-06-11 07:09:35,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:09:35,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 948 transitions. [2021-06-11 07:09:35,756 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 158.0) internal successors, (948), 6 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:35,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:35,756 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:35,756 INFO L185 Difference]: Start difference. First operand has 52 places, 63 transitions, 371 flow. Second operand 6 states and 948 transitions. [2021-06-11 07:09:35,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 142 transitions, 1066 flow [2021-06-11 07:09:35,782 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 142 transitions, 1066 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 07:09:35,784 INFO L241 Difference]: Finished difference. Result has 60 places, 94 transitions, 766 flow [2021-06-11 07:09:35,784 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=766, PETRI_PLACES=60, PETRI_TRANSITIONS=94} [2021-06-11 07:09:35,784 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 16 predicate places. [2021-06-11 07:09:35,784 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:09:35,784 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 94 transitions, 766 flow [2021-06-11 07:09:35,784 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 94 transitions, 766 flow [2021-06-11 07:09:35,785 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 94 transitions, 766 flow [2021-06-11 07:09:36,027 INFO L129 PetriNetUnfolder]: 3188/4727 cut-off events. [2021-06-11 07:09:36,027 INFO L130 PetriNetUnfolder]: For 11951/115243 co-relation queries the response was YES. [2021-06-11 07:09:36,042 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19411 conditions, 4727 events. 3188/4727 cut-off events. For 11951/115243 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 27745 event pairs, 768 based on Foata normal form. 6/4283 useless extension candidates. Maximal degree in co-relation 19388. Up to 4287 conditions per place. [2021-06-11 07:09:36,084 INFO L151 LiptonReduction]: Number of co-enabled transitions 1664 [2021-06-11 07:09:36,087 INFO L163 LiptonReduction]: Checked pairs total: 3528 [2021-06-11 07:09:36,088 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:09:36,088 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 304 [2021-06-11 07:09:36,088 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 94 transitions, 766 flow [2021-06-11 07:09:36,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:36,088 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:09:36,088 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:09:36,089 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-06-11 07:09:36,089 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:09:36,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:09:36,089 INFO L82 PathProgramCache]: Analyzing trace with hash 466216504, now seen corresponding path program 1 times [2021-06-11 07:09:36,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:09:36,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090853328] [2021-06-11 07:09:36,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:09:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:09:36,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:36,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:36,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:36,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:36,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:36,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:36,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:36,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:36,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:36,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:36,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:09:36,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090853328] [2021-06-11 07:09:36,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:09:36,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:09:36,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40818286] [2021-06-11 07:09:36,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:09:36,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:09:36,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:09:36,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:09:36,116 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 221 [2021-06-11 07:09:36,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 94 transitions, 766 flow. Second operand has 7 states, 7 states have (on average 146.14285714285714) internal successors, (1023), 7 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:36,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:09:36,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 221 [2021-06-11 07:09:36,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:09:39,061 INFO L129 PetriNetUnfolder]: 30407/41207 cut-off events. [2021-06-11 07:09:39,062 INFO L130 PetriNetUnfolder]: For 52340/52340 co-relation queries the response was YES. [2021-06-11 07:09:39,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161491 conditions, 41207 events. 30407/41207 cut-off events. For 52340/52340 co-relation queries the response was YES. Maximal size of possible extension queue 3273. Compared 275424 event pairs, 5163 based on Foata normal form. 81/40606 useless extension candidates. Maximal degree in co-relation 161466. Up to 21958 conditions per place. [2021-06-11 07:09:39,434 INFO L132 encePairwiseOnDemand]: 211/221 looper letters, 113 selfloop transitions, 86 changer transitions 0/209 dead transitions. [2021-06-11 07:09:39,434 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 209 transitions, 1774 flow [2021-06-11 07:09:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:09:39,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:09:39,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2029 transitions. [2021-06-11 07:09:39,436 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7062304211625479 [2021-06-11 07:09:39,436 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2029 transitions. [2021-06-11 07:09:39,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2029 transitions. [2021-06-11 07:09:39,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:09:39,436 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2029 transitions. [2021-06-11 07:09:39,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 156.07692307692307) internal successors, (2029), 13 states have internal predecessors, (2029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:39,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:39,439 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:39,439 INFO L185 Difference]: Start difference. First operand has 60 places, 94 transitions, 766 flow. Second operand 13 states and 2029 transitions. [2021-06-11 07:09:39,439 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 209 transitions, 1774 flow [2021-06-11 07:09:39,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 209 transitions, 1748 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-06-11 07:09:39,697 INFO L241 Difference]: Finished difference. Result has 74 places, 124 transitions, 1259 flow [2021-06-11 07:09:39,697 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1259, PETRI_PLACES=74, PETRI_TRANSITIONS=124} [2021-06-11 07:09:39,697 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 30 predicate places. [2021-06-11 07:09:39,698 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:09:39,698 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 124 transitions, 1259 flow [2021-06-11 07:09:39,698 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 124 transitions, 1259 flow [2021-06-11 07:09:39,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 124 transitions, 1259 flow [2021-06-11 07:09:40,141 INFO L129 PetriNetUnfolder]: 3856/5729 cut-off events. [2021-06-11 07:09:40,141 INFO L130 PetriNetUnfolder]: For 30017/231382 co-relation queries the response was YES. [2021-06-11 07:09:40,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28829 conditions, 5729 events. 3856/5729 cut-off events. For 30017/231382 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 34827 event pairs, 849 based on Foata normal form. 5/5188 useless extension candidates. Maximal degree in co-relation 28802. Up to 5154 conditions per place. [2021-06-11 07:09:40,221 INFO L151 LiptonReduction]: Number of co-enabled transitions 2210 [2021-06-11 07:09:40,232 INFO L163 LiptonReduction]: Checked pairs total: 6698 [2021-06-11 07:09:40,232 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:09:40,232 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 534 [2021-06-11 07:09:40,232 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 124 transitions, 1259 flow [2021-06-11 07:09:40,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 146.14285714285714) internal successors, (1023), 7 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:40,233 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:09:40,233 INFO L263 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:09:40,233 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-06-11 07:09:40,233 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:09:40,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:09:40,233 INFO L82 PathProgramCache]: Analyzing trace with hash 461365624, now seen corresponding path program 2 times [2021-06-11 07:09:40,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:09:40,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623371919] [2021-06-11 07:09:40,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:09:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:09:40,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:40,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:40,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:40,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:40,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:40,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:40,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:40,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:40,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:40,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:40,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-11 07:09:40,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623371919] [2021-06-11 07:09:40,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:09:40,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:09:40,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461641733] [2021-06-11 07:09:40,257 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:09:40,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:09:40,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:09:40,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:09:40,258 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 221 [2021-06-11 07:09:40,258 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 124 transitions, 1259 flow. Second operand has 7 states, 7 states have (on average 146.14285714285714) internal successors, (1023), 7 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:40,258 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:09:40,258 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 221 [2021-06-11 07:09:40,258 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:09:43,820 INFO L129 PetriNetUnfolder]: 32645/44509 cut-off events. [2021-06-11 07:09:43,820 INFO L130 PetriNetUnfolder]: For 133223/133223 co-relation queries the response was YES. [2021-06-11 07:09:44,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199319 conditions, 44509 events. 32645/44509 cut-off events. For 133223/133223 co-relation queries the response was YES. Maximal size of possible extension queue 3577. Compared 302357 event pairs, 8528 based on Foata normal form. 81/43741 useless extension candidates. Maximal degree in co-relation 199290. Up to 23776 conditions per place. [2021-06-11 07:09:44,353 INFO L132 encePairwiseOnDemand]: 211/221 looper letters, 127 selfloop transitions, 104 changer transitions 0/241 dead transitions. [2021-06-11 07:09:44,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 241 transitions, 2445 flow [2021-06-11 07:09:44,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:09:44,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:09:44,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2029 transitions. [2021-06-11 07:09:44,355 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7062304211625479 [2021-06-11 07:09:44,355 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2029 transitions. [2021-06-11 07:09:44,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2029 transitions. [2021-06-11 07:09:44,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:09:44,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2029 transitions. [2021-06-11 07:09:44,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 156.07692307692307) internal successors, (2029), 13 states have internal predecessors, (2029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:44,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:44,358 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:44,358 INFO L185 Difference]: Start difference. First operand has 74 places, 124 transitions, 1259 flow. Second operand 13 states and 2029 transitions. [2021-06-11 07:09:44,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 241 transitions, 2445 flow [2021-06-11 07:09:45,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 241 transitions, 2298 flow, removed 27 selfloop flow, removed 6 redundant places. [2021-06-11 07:09:45,111 INFO L241 Difference]: Finished difference. Result has 83 places, 153 transitions, 1719 flow [2021-06-11 07:09:45,111 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=1132, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1719, PETRI_PLACES=83, PETRI_TRANSITIONS=153} [2021-06-11 07:09:45,111 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 39 predicate places. [2021-06-11 07:09:45,111 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:09:45,111 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 153 transitions, 1719 flow [2021-06-11 07:09:45,111 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 153 transitions, 1719 flow [2021-06-11 07:09:45,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 153 transitions, 1719 flow [2021-06-11 07:09:45,557 INFO L129 PetriNetUnfolder]: 4450/6644 cut-off events. [2021-06-11 07:09:45,557 INFO L130 PetriNetUnfolder]: For 49344/320102 co-relation queries the response was YES. [2021-06-11 07:09:45,584 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38608 conditions, 6644 events. 4450/6644 cut-off events. For 49344/320102 co-relation queries the response was YES. Maximal size of possible extension queue 603. Compared 42642 event pairs, 925 based on Foata normal form. 23/6029 useless extension candidates. Maximal degree in co-relation 38579. Up to 5938 conditions per place. [2021-06-11 07:09:45,779 INFO L151 LiptonReduction]: Number of co-enabled transitions 2704 [2021-06-11 07:09:45,786 INFO L163 LiptonReduction]: Checked pairs total: 11178 [2021-06-11 07:09:45,786 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:09:45,786 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 675 [2021-06-11 07:09:45,787 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 153 transitions, 1719 flow [2021-06-11 07:09:45,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 146.14285714285714) internal successors, (1023), 7 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:45,787 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:09:45,787 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:09:45,787 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-06-11 07:09:45,787 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:09:45,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:09:45,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1478269018, now seen corresponding path program 1 times [2021-06-11 07:09:45,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:09:45,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416450730] [2021-06-11 07:09:45,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:09:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:09:45,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:45,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:45,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:45,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:45,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:45,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:45,805 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:09:45,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416450730] [2021-06-11 07:09:45,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:09:45,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 07:09:45,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651900680] [2021-06-11 07:09:45,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 07:09:45,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:09:45,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 07:09:45,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 07:09:45,807 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 221 [2021-06-11 07:09:45,807 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 153 transitions, 1719 flow. Second operand has 5 states, 5 states have (on average 149.0) internal successors, (745), 5 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:45,807 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:09:45,808 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 221 [2021-06-11 07:09:45,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:09:52,837 INFO L129 PetriNetUnfolder]: 54396/75694 cut-off events. [2021-06-11 07:09:52,837 INFO L130 PetriNetUnfolder]: For 309748/309779 co-relation queries the response was YES. [2021-06-11 07:09:53,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 386168 conditions, 75694 events. 54396/75694 cut-off events. For 309748/309779 co-relation queries the response was YES. Maximal size of possible extension queue 6379. Compared 575075 event pairs, 18665 based on Foata normal form. 717/75127 useless extension candidates. Maximal degree in co-relation 386137. Up to 42064 conditions per place. [2021-06-11 07:09:53,714 INFO L132 encePairwiseOnDemand]: 212/221 looper letters, 234 selfloop transitions, 83 changer transitions 0/328 dead transitions. [2021-06-11 07:09:53,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 328 transitions, 4316 flow [2021-06-11 07:09:53,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 07:09:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 07:09:53,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 954 transitions. [2021-06-11 07:09:53,715 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7194570135746606 [2021-06-11 07:09:53,715 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 954 transitions. [2021-06-11 07:09:53,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 954 transitions. [2021-06-11 07:09:53,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:09:53,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 954 transitions. [2021-06-11 07:09:53,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 159.0) internal successors, (954), 6 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:53,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:53,717 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 221.0) internal successors, (1547), 7 states have internal predecessors, (1547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:53,717 INFO L185 Difference]: Start difference. First operand has 83 places, 153 transitions, 1719 flow. Second operand 6 states and 954 transitions. [2021-06-11 07:09:53,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 328 transitions, 4316 flow [2021-06-11 07:09:56,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 328 transitions, 3917 flow, removed 30 selfloop flow, removed 9 redundant places. [2021-06-11 07:09:56,774 INFO L241 Difference]: Finished difference. Result has 82 places, 215 transitions, 2580 flow [2021-06-11 07:09:56,774 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=1520, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2580, PETRI_PLACES=82, PETRI_TRANSITIONS=215} [2021-06-11 07:09:56,774 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 38 predicate places. [2021-06-11 07:09:56,774 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:09:56,774 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 215 transitions, 2580 flow [2021-06-11 07:09:56,774 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 215 transitions, 2580 flow [2021-06-11 07:09:56,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 215 transitions, 2580 flow [2021-06-11 07:09:57,926 INFO L129 PetriNetUnfolder]: 9569/14477 cut-off events. [2021-06-11 07:09:57,926 INFO L130 PetriNetUnfolder]: For 133726/927788 co-relation queries the response was YES. [2021-06-11 07:09:57,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90471 conditions, 14477 events. 9569/14477 cut-off events. For 133726/927788 co-relation queries the response was YES. Maximal size of possible extension queue 1275. Compared 103773 event pairs, 1509 based on Foata normal form. 34/13473 useless extension candidates. Maximal degree in co-relation 90439. Up to 12960 conditions per place. [2021-06-11 07:09:58,287 INFO L151 LiptonReduction]: Number of co-enabled transitions 3828 [2021-06-11 07:09:58,300 INFO L163 LiptonReduction]: Checked pairs total: 15840 [2021-06-11 07:09:58,300 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:09:58,300 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1526 [2021-06-11 07:09:58,301 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 215 transitions, 2580 flow [2021-06-11 07:09:58,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 149.0) internal successors, (745), 5 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:58,301 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:09:58,301 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:09:58,301 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-06-11 07:09:58,301 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:09:58,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:09:58,301 INFO L82 PathProgramCache]: Analyzing trace with hash 359843107, now seen corresponding path program 1 times [2021-06-11 07:09:58,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:09:58,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241807383] [2021-06-11 07:09:58,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:09:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:09:58,311 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,326 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-11 07:09:58,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241807383] [2021-06-11 07:09:58,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197902076] [2021-06-11 07:09:58,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 07:09:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:09:58,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-11 07:09:58,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-11 07:09:58,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:09:58,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:58,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:09:58,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:09:58,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:09:58,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:58,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:09:58,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:09:58,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:09:58,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:58,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 07:09:58,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-11 07:09:58,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:09:58,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 07:09:58,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-11 07:09:58,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 07:09:58,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:09:58,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:09:58,492 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-11 07:09:58,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-11 07:09:58,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-06-11 07:09:58,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744078635] [2021-06-11 07:09:58,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-11 07:09:58,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:09:58,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-11 07:09:58,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-11 07:09:58,494 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 221 [2021-06-11 07:09:58,494 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 215 transitions, 2580 flow. Second operand has 9 states, 9 states have (on average 147.33333333333334) internal successors, (1326), 9 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:09:58,494 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:09:58,494 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 221 [2021-06-11 07:09:58,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:10:07,590 INFO L129 PetriNetUnfolder]: 59164/82715 cut-off events. [2021-06-11 07:10:07,590 INFO L130 PetriNetUnfolder]: For 429234/429271 co-relation queries the response was YES. [2021-06-11 07:10:08,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 454473 conditions, 82715 events. 59164/82715 cut-off events. For 429234/429271 co-relation queries the response was YES. Maximal size of possible extension queue 7082. Compared 638733 event pairs, 16367 based on Foata normal form. 191/82032 useless extension candidates. Maximal degree in co-relation 454439. Up to 46366 conditions per place. [2021-06-11 07:10:08,710 INFO L132 encePairwiseOnDemand]: 211/221 looper letters, 211 selfloop transitions, 184 changer transitions 0/405 dead transitions. [2021-06-11 07:10:08,711 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 405 transitions, 5193 flow [2021-06-11 07:10:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:10:08,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:10:08,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2044 transitions. [2021-06-11 07:10:08,712 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7114514444831187 [2021-06-11 07:10:08,712 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2044 transitions. [2021-06-11 07:10:08,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2044 transitions. [2021-06-11 07:10:08,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:10:08,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2044 transitions. [2021-06-11 07:10:08,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 157.23076923076923) internal successors, (2044), 13 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:08,715 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:08,715 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:08,716 INFO L185 Difference]: Start difference. First operand has 82 places, 215 transitions, 2580 flow. Second operand 13 states and 2044 transitions. [2021-06-11 07:10:08,716 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 405 transitions, 5193 flow [2021-06-11 07:10:13,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 405 transitions, 5078 flow, removed 49 selfloop flow, removed 1 redundant places. [2021-06-11 07:10:13,349 INFO L241 Difference]: Finished difference. Result has 96 places, 278 transitions, 3850 flow [2021-06-11 07:10:13,349 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=2491, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3850, PETRI_PLACES=96, PETRI_TRANSITIONS=278} [2021-06-11 07:10:13,350 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 52 predicate places. [2021-06-11 07:10:13,350 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:10:13,350 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 278 transitions, 3850 flow [2021-06-11 07:10:13,350 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 278 transitions, 3850 flow [2021-06-11 07:10:13,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 278 transitions, 3850 flow [2021-06-11 07:10:15,003 INFO L129 PetriNetUnfolder]: 11647/17708 cut-off events. [2021-06-11 07:10:15,003 INFO L130 PetriNetUnfolder]: For 236082/1075619 co-relation queries the response was YES. [2021-06-11 07:10:15,106 INFO L84 FinitePrefix]: Finished finitePrefix Result has 122119 conditions, 17708 events. 11647/17708 cut-off events. For 236082/1075619 co-relation queries the response was YES. Maximal size of possible extension queue 1599. Compared 134721 event pairs, 1752 based on Foata normal form. 97/16591 useless extension candidates. Maximal degree in co-relation 122083. Up to 15727 conditions per place. [2021-06-11 07:10:15,570 INFO L151 LiptonReduction]: Number of co-enabled transitions 4858 [2021-06-11 07:10:15,587 INFO L163 LiptonReduction]: Checked pairs total: 26910 [2021-06-11 07:10:15,587 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:10:15,587 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2237 [2021-06-11 07:10:15,587 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 278 transitions, 3850 flow [2021-06-11 07:10:15,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 147.33333333333334) internal successors, (1326), 9 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:15,588 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:10:15,588 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:10:15,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-11 07:10:15,801 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:10:15,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:10:15,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1016730714, now seen corresponding path program 1 times [2021-06-11 07:10:15,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:10:15,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654811267] [2021-06-11 07:10:15,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:10:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:10:15,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:15,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:15,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:15,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:15,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:15,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:15,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:15,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:15,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:15,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:15,831 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:10:15,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654811267] [2021-06-11 07:10:15,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:10:15,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:10:15,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303015865] [2021-06-11 07:10:15,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:10:15,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:10:15,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:10:15,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:10:15,833 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 221 [2021-06-11 07:10:15,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 278 transitions, 3850 flow. Second operand has 7 states, 7 states have (on average 146.14285714285714) internal successors, (1023), 7 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:15,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:10:15,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 221 [2021-06-11 07:10:15,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:10:27,524 INFO L129 PetriNetUnfolder]: 63697/89665 cut-off events. [2021-06-11 07:10:27,524 INFO L130 PetriNetUnfolder]: For 637913/637913 co-relation queries the response was YES. [2021-06-11 07:10:28,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 532680 conditions, 89665 events. 63697/89665 cut-off events. For 637913/637913 co-relation queries the response was YES. Maximal size of possible extension queue 7749. Compared 709932 event pairs, 20198 based on Foata normal form. 181/88582 useless extension candidates. Maximal degree in co-relation 532642. Up to 50494 conditions per place. [2021-06-11 07:10:28,797 INFO L132 encePairwiseOnDemand]: 211/221 looper letters, 288 selfloop transitions, 216 changer transitions 0/514 dead transitions. [2021-06-11 07:10:28,797 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 514 transitions, 7484 flow [2021-06-11 07:10:28,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:10:28,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:10:28,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2032 transitions. [2021-06-11 07:10:28,813 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.707274625826662 [2021-06-11 07:10:28,813 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2032 transitions. [2021-06-11 07:10:28,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2032 transitions. [2021-06-11 07:10:28,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:10:28,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2032 transitions. [2021-06-11 07:10:28,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 156.30769230769232) internal successors, (2032), 13 states have internal predecessors, (2032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:28,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:28,816 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:28,816 INFO L185 Difference]: Start difference. First operand has 96 places, 278 transitions, 3850 flow. Second operand 13 states and 2032 transitions. [2021-06-11 07:10:28,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 514 transitions, 7484 flow [2021-06-11 07:10:36,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 514 transitions, 7267 flow, removed 82 selfloop flow, removed 3 redundant places. [2021-06-11 07:10:36,856 INFO L241 Difference]: Finished difference. Result has 108 places, 359 transitions, 5411 flow [2021-06-11 07:10:36,856 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=3701, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=5411, PETRI_PLACES=108, PETRI_TRANSITIONS=359} [2021-06-11 07:10:36,856 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 64 predicate places. [2021-06-11 07:10:36,856 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:10:36,856 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 359 transitions, 5411 flow [2021-06-11 07:10:36,857 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 359 transitions, 5411 flow [2021-06-11 07:10:36,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 359 transitions, 5411 flow [2021-06-11 07:10:39,122 INFO L129 PetriNetUnfolder]: 13466/20584 cut-off events. [2021-06-11 07:10:39,123 INFO L130 PetriNetUnfolder]: For 355593/1466808 co-relation queries the response was YES. [2021-06-11 07:10:39,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155058 conditions, 20584 events. 13466/20584 cut-off events. For 355593/1466808 co-relation queries the response was YES. Maximal size of possible extension queue 1890. Compared 158036 event pairs, 1935 based on Foata normal form. 127/19388 useless extension candidates. Maximal degree in co-relation 155019. Up to 18169 conditions per place. [2021-06-11 07:10:39,454 INFO L151 LiptonReduction]: Number of co-enabled transitions 6180 [2021-06-11 07:10:39,479 INFO L163 LiptonReduction]: Checked pairs total: 46488 [2021-06-11 07:10:39,479 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:10:39,479 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2623 [2021-06-11 07:10:39,479 INFO L480 AbstractCegarLoop]: Abstraction has has 108 places, 359 transitions, 5411 flow [2021-06-11 07:10:39,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 146.14285714285714) internal successors, (1023), 7 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:39,480 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:10:39,480 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:10:39,480 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-06-11 07:10:39,480 INFO L428 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:10:39,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:10:39,480 INFO L82 PathProgramCache]: Analyzing trace with hash -1017618461, now seen corresponding path program 2 times [2021-06-11 07:10:39,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:10:39,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151935569] [2021-06-11 07:10:39,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:10:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:10:39,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:39,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:39,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:39,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:39,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:39,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:39,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:39,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:39,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:10:39,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:10:39,505 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:10:39,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151935569] [2021-06-11 07:10:39,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:10:39,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:10:39,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168378904] [2021-06-11 07:10:39,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:10:39,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:10:39,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:10:39,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:10:39,507 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 221 [2021-06-11 07:10:39,507 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 359 transitions, 5411 flow. Second operand has 7 states, 7 states have (on average 147.14285714285714) internal successors, (1030), 7 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:39,507 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:10:39,507 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 221 [2021-06-11 07:10:39,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 07:10:52,842 INFO L129 PetriNetUnfolder]: 67143/94898 cut-off events. [2021-06-11 07:10:52,842 INFO L130 PetriNetUnfolder]: For 801505/801540 co-relation queries the response was YES. [2021-06-11 07:10:53,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 609805 conditions, 94898 events. 67143/94898 cut-off events. For 801505/801540 co-relation queries the response was YES. Maximal size of possible extension queue 8277. Compared 763250 event pairs, 19051 based on Foata normal form. 145/93840 useless extension candidates. Maximal degree in co-relation 609764. Up to 53530 conditions per place. [2021-06-11 07:10:54,447 INFO L132 encePairwiseOnDemand]: 211/221 looper letters, 294 selfloop transitions, 250 changer transitions 0/554 dead transitions. [2021-06-11 07:10:54,447 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 554 transitions, 8674 flow [2021-06-11 07:10:54,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-11 07:10:54,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-11 07:10:54,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2044 transitions. [2021-06-11 07:10:54,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7114514444831187 [2021-06-11 07:10:54,449 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2044 transitions. [2021-06-11 07:10:54,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2044 transitions. [2021-06-11 07:10:54,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 07:10:54,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2044 transitions. [2021-06-11 07:10:54,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 157.23076923076923) internal successors, (2044), 13 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:54,452 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:54,452 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 221.0) internal successors, (3094), 14 states have internal predecessors, (3094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:10:54,452 INFO L185 Difference]: Start difference. First operand has 108 places, 359 transitions, 5411 flow. Second operand 13 states and 2044 transitions. [2021-06-11 07:10:54,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 554 transitions, 8674 flow [2021-06-11 07:11:08,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 554 transitions, 8534 flow, removed 66 selfloop flow, removed 1 redundant places. [2021-06-11 07:11:08,083 INFO L241 Difference]: Finished difference. Result has 122 places, 416 transitions, 6841 flow [2021-06-11 07:11:08,083 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=5307, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=193, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=6841, PETRI_PLACES=122, PETRI_TRANSITIONS=416} [2021-06-11 07:11:08,083 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 78 predicate places. [2021-06-11 07:11:08,083 INFO L168 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-06-11 07:11:08,083 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 416 transitions, 6841 flow [2021-06-11 07:11:08,084 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 416 transitions, 6841 flow [2021-06-11 07:11:08,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 122 places, 416 transitions, 6841 flow [2021-06-11 07:11:10,571 INFO L129 PetriNetUnfolder]: 14624/22368 cut-off events. [2021-06-11 07:11:10,571 INFO L130 PetriNetUnfolder]: For 520822/2186272 co-relation queries the response was YES. [2021-06-11 07:11:10,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 182127 conditions, 22368 events. 14624/22368 cut-off events. For 520822/2186272 co-relation queries the response was YES. Maximal size of possible extension queue 2056. Compared 174325 event pairs, 2035 based on Foata normal form. 169/21042 useless extension candidates. Maximal degree in co-relation 182084. Up to 19697 conditions per place. [2021-06-11 07:11:10,995 INFO L151 LiptonReduction]: Number of co-enabled transitions 7080 [2021-06-11 07:11:11,025 INFO L163 LiptonReduction]: Checked pairs total: 65856 [2021-06-11 07:11:11,025 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 07:11:11,025 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2942 [2021-06-11 07:11:11,025 INFO L480 AbstractCegarLoop]: Abstraction has has 122 places, 416 transitions, 6841 flow [2021-06-11 07:11:11,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 147.14285714285714) internal successors, (1030), 7 states have internal predecessors, (1030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:11:11,026 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 07:11:11,026 INFO L263 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 07:11:11,026 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-06-11 07:11:11,026 INFO L428 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 07:11:11,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 07:11:11,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1017623514, now seen corresponding path program 2 times [2021-06-11 07:11:11,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 07:11:11,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783635591] [2021-06-11 07:11:11,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 07:11:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 07:11:11,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:11:11,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:11:11,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:11:11,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:11:11,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:11:11,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:11:11,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:11:11,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:11:11,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 07:11:11,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 07:11:11,058 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-11 07:11:11,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783635591] [2021-06-11 07:11:11,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 07:11:11,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 07:11:11,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609992769] [2021-06-11 07:11:11,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 07:11:11,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 07:11:11,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 07:11:11,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 07:11:11,059 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 221 [2021-06-11 07:11:11,060 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 416 transitions, 6841 flow. Second operand has 7 states, 7 states have (on average 146.14285714285714) internal successors, (1023), 7 states have internal predecessors, (1023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 07:11:11,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 07:11:11,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 221 [2021-06-11 07:11:11,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand