/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 05:26:22,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 05:26:22,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 05:26:22,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 05:26:22,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 05:26:22,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 05:26:22,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 05:26:22,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 05:26:22,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 05:26:22,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 05:26:22,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 05:26:22,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 05:26:22,162 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 05:26:22,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 05:26:22,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 05:26:22,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 05:26:22,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 05:26:22,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 05:26:22,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 05:26:22,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 05:26:22,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 05:26:22,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 05:26:22,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 05:26:22,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 05:26:22,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 05:26:22,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 05:26:22,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 05:26:22,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 05:26:22,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 05:26:22,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 05:26:22,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 05:26:22,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 05:26:22,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 05:26:22,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 05:26:22,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 05:26:22,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 05:26:22,211 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-SemanticLbe-SemanticLooper.epf [2020-10-16 05:26:22,251 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 05:26:22,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 05:26:22,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 05:26:22,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 05:26:22,253 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 05:26:22,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 05:26:22,254 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 05:26:22,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 05:26:22,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 05:26:22,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 05:26:22,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 05:26:22,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 05:26:22,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 05:26:22,255 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 05:26:22,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 05:26:22,256 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 05:26:22,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 05:26:22,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 05:26:22,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 05:26:22,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 05:26:22,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 05:26:22,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 05:26:22,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 05:26:22,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 05:26:22,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 05:26:22,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 05:26:22,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 05:26:22,258 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 05:26:22,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 05:26:22,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 05:26:22,559 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 05:26:22,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 05:26:22,564 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 05:26:22,567 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 05:26:22,568 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2020-10-16 05:26:22,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07cda45cd/f8f86143837348028976cfe9890fc037/FLAG05ae8c166 [2020-10-16 05:26:23,214 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 05:26:23,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2020-10-16 05:26:23,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07cda45cd/f8f86143837348028976cfe9890fc037/FLAG05ae8c166 [2020-10-16 05:26:23,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07cda45cd/f8f86143837348028976cfe9890fc037 [2020-10-16 05:26:23,376 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 05:26:23,378 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 05:26:23,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 05:26:23,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 05:26:23,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 05:26:23,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:26:23" (1/1) ... [2020-10-16 05:26:23,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8e7863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:23, skipping insertion in model container [2020-10-16 05:26:23,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:26:23" (1/1) ... [2020-10-16 05:26:23,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 05:26:23,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 05:26:24,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 05:26:24,197 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 05:26:24,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 05:26:24,636 INFO L208 MainTranslator]: Completed translation [2020-10-16 05:26:24,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:24 WrapperNode [2020-10-16 05:26:24,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 05:26:24,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 05:26:24,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 05:26:24,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 05:26:24,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:24" (1/1) ... [2020-10-16 05:26:24,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:24" (1/1) ... [2020-10-16 05:26:24,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 05:26:24,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 05:26:24,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 05:26:24,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 05:26:24,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:24" (1/1) ... [2020-10-16 05:26:24,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:24" (1/1) ... [2020-10-16 05:26:24,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:24" (1/1) ... [2020-10-16 05:26:24,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:24" (1/1) ... [2020-10-16 05:26:24,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:24" (1/1) ... [2020-10-16 05:26:24,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:24" (1/1) ... [2020-10-16 05:26:24,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:24" (1/1) ... [2020-10-16 05:26:24,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 05:26:24,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 05:26:24,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 05:26:24,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 05:26:24,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:24" (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 [2020-10-16 05:26:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 05:26:24,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 05:26:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 05:26:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 05:26:24,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 05:26:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 05:26:24,837 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-16 05:26:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-16 05:26:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 05:26:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 05:26:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 05:26:24,842 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 05:26:25,493 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 05:26:25,493 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-16 05:26:25,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:26:25 BoogieIcfgContainer [2020-10-16 05:26:25,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 05:26:25,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 05:26:25,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 05:26:25,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 05:26:25,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:26:23" (1/3) ... [2020-10-16 05:26:25,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4926b969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:26:25, skipping insertion in model container [2020-10-16 05:26:25,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:26:24" (2/3) ... [2020-10-16 05:26:25,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4926b969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:26:25, skipping insertion in model container [2020-10-16 05:26:25,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:26:25" (3/3) ... [2020-10-16 05:26:25,505 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2020-10-16 05:26:25,518 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 05:26:25,526 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-16 05:26:25,528 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 05:26:25,564 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,565 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,565 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,565 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,565 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,566 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,566 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,566 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,566 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,566 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,567 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,567 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,570 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,570 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,571 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,571 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,571 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,572 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,572 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,572 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,573 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,576 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,576 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,576 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,576 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,577 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,577 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,577 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,577 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,577 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,578 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,578 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,580 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,580 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,580 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,581 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,581 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,581 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,581 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,582 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,582 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,582 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,582 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,582 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,583 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,583 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,583 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,583 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,583 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,584 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,584 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,590 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,591 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,591 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,597 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,598 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,598 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,598 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,598 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,599 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,599 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,599 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,599 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,599 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,608 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,608 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,608 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,608 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,609 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,609 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,609 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,609 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,609 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,610 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 05:26:25,635 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-16 05:26:25,656 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 05:26:25,656 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 05:26:25,656 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 05:26:25,656 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 05:26:25,656 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 05:26:25,657 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 05:26:25,657 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 05:26:25,657 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 05:26:25,675 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 150 places, 154 transitions, 330 flow [2020-10-16 05:26:25,747 INFO L129 PetriNetUnfolder]: 11/192 cut-off events. [2020-10-16 05:26:25,748 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 05:26:25,754 INFO L80 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 192 events. 11/192 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 370 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 107. Up to 4 conditions per place. [2020-10-16 05:26:25,754 INFO L82 GeneralOperation]: Start removeDead. Operand has 150 places, 154 transitions, 330 flow [2020-10-16 05:26:25,762 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 141 places, 143 transitions, 304 flow [2020-10-16 05:26:25,765 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 05:26:25,767 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 143 transitions, 304 flow [2020-10-16 05:26:25,770 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 143 transitions, 304 flow [2020-10-16 05:26:25,770 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 141 places, 143 transitions, 304 flow [2020-10-16 05:26:25,817 INFO L129 PetriNetUnfolder]: 8/175 cut-off events. [2020-10-16 05:26:25,818 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 05:26:25,819 INFO L80 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 175 events. 8/175 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 328 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 98. Up to 4 conditions per place. [2020-10-16 05:26:25,824 INFO L117 LiptonReduction]: Number of co-enabled transitions 2236 [2020-10-16 05:26:26,277 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:26,305 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:26,311 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:26,333 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:26,335 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:26,335 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 05:26:26,352 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:26,380 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:26,386 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:26,408 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:26,410 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:26,410 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:26:28,463 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:28,535 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:28,541 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:28,562 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:28,564 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:28,564 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:100 [2020-10-16 05:26:28,578 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:28,602 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:28,606 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:28,627 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:28,629 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:28,629 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-16 05:26:28,655 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:28,679 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:28,685 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:28,741 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:28,743 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:28,744 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 05:26:28,757 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:28,792 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:28,797 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:28,817 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:28,818 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:28,819 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 05:26:31,048 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:31,077 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:31,082 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:31,105 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:31,106 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:31,106 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:26:31,122 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:31,149 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:31,154 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:31,177 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:31,178 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:31,179 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 05:26:33,537 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:33,573 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:33,577 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:33,598 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:33,599 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:33,599 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 05:26:33,614 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:33,641 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:33,646 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:33,668 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:33,669 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:33,670 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 05:26:35,942 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:35,978 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:35,982 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:36,002 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:36,004 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:36,005 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:78 [2020-10-16 05:26:36,058 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:36,086 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:36,091 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:36,112 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:36,114 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:36,115 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 05:26:36,138 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:36,174 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:36,178 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:36,204 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:36,205 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:36,206 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 05:26:38,282 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:38,309 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:38,314 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:38,340 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:38,341 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:38,341 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 05:26:38,355 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:38,380 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:38,390 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:38,414 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:38,415 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:38,415 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 05:26:40,451 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:40,476 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:40,483 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:40,506 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:40,508 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:40,508 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:26:40,526 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:40,559 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:40,563 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:40,588 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:40,590 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:40,590 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:26:42,652 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:42,682 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:42,686 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:42,728 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:42,729 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:42,729 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 05:26:42,741 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:42,777 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:42,780 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:42,803 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:42,804 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:42,805 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 05:26:44,842 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:44,873 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:44,877 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:44,900 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:44,902 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:44,902 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:26:44,919 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:44,953 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:44,961 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:44,990 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:44,991 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:44,992 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:26:47,291 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:47,314 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:47,318 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:47,336 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:47,337 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:47,338 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-16 05:26:47,347 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:47,370 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:47,373 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:47,392 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:47,393 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:47,394 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-10-16 05:26:49,411 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:49,435 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:49,438 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:49,459 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:49,460 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:49,460 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:26:49,472 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:49,503 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:49,512 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:49,535 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:49,536 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:49,536 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:26:51,760 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:51,792 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:51,798 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:51,829 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:51,833 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:51,833 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:26:51,845 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:51,868 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:51,871 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:51,897 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:51,898 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:51,899 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:26:54,066 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:54,094 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:54,098 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:54,115 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:54,116 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:54,116 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 05:26:54,133 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:54,158 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:54,162 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:54,177 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:54,178 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:54,178 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 05:26:56,398 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:56,417 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:56,421 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:56,437 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:56,439 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:56,439 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-10-16 05:26:56,453 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:56,474 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:56,478 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:56,498 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:56,498 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:56,499 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-16 05:26:58,529 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:58,553 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:58,557 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:58,576 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:58,577 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:58,577 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 05:26:58,595 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:58,616 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:58,619 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:58,652 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:26:58,654 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:26:58,654 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 05:27:00,756 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:00,780 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:00,783 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:00,811 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:00,812 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:00,812 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 05:27:00,827 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:00,856 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:00,859 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:00,883 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:00,884 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:00,884 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:27:02,921 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:02,942 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:02,946 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:02,962 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:02,963 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:02,963 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-16 05:27:02,988 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:03,015 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:03,018 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:03,036 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:03,037 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:03,037 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:100 [2020-10-16 05:27:05,059 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:05,094 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:05,099 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:05,119 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:05,120 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:05,121 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 05:27:05,130 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:05,166 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:05,171 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:05,200 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:05,202 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:05,202 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 05:27:07,546 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:07,571 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:07,580 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:07,605 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:07,606 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:07,606 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 05:27:07,617 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:07,647 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:07,652 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:07,670 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:07,671 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:07,671 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 05:27:09,691 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:09,719 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:09,723 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:09,749 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:09,749 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:09,750 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:27:09,761 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:09,795 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:09,800 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:09,824 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:09,825 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:09,826 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 05:27:11,885 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:11,904 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:11,908 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:11,924 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:11,925 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:11,926 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:71 [2020-10-16 05:27:12,241 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:12,267 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:12,271 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:12,287 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:12,288 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:12,288 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:27:12,296 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:12,316 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:12,320 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:12,346 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:12,347 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:12,348 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 05:27:14,559 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:14,581 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:14,583 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:14,601 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:14,602 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:14,602 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:27:14,611 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:14,634 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:14,637 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:14,657 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:14,658 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:14,658 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 05:27:16,786 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-10-16 05:27:17,358 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2020-10-16 05:27:18,109 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-10-16 05:27:18,125 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:18,339 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-16 05:27:18,339 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:18,345 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:18,490 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-16 05:27:18,491 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 05:27:18,492 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-10-16 05:27:18,492 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:193, output treesize:205 [2020-10-16 05:27:18,685 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-16 05:27:18,948 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2020-10-16 05:27:19,066 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-16 05:27:20,080 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-10-16 05:27:20,493 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-16 05:27:21,007 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2020-10-16 05:27:21,220 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-16 05:27:21,230 INFO L132 LiptonReduction]: Checked pairs total: 5623 [2020-10-16 05:27:21,230 INFO L134 LiptonReduction]: Total number of compositions: 153 [2020-10-16 05:27:21,233 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55471 [2020-10-16 05:27:21,244 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2020-10-16 05:27:21,244 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 05:27:21,245 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:21,245 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2020-10-16 05:27:21,246 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:21,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:21,252 INFO L82 PathProgramCache]: Analyzing trace with hash 535, now seen corresponding path program 1 times [2020-10-16 05:27:21,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:21,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237727802] [2020-10-16 05:27:21,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:21,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237727802] [2020-10-16 05:27:21,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:21,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-16 05:27:21,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048138670] [2020-10-16 05:27:21,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 05:27:21,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:21,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 05:27:21,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 05:27:21,581 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 307 [2020-10-16 05:27:21,584 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 34 transitions, 86 flow. Second operand 2 states. [2020-10-16 05:27:21,584 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:21,584 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 307 [2020-10-16 05:27:21,585 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:21,598 INFO L129 PetriNetUnfolder]: 2/40 cut-off events. [2020-10-16 05:27:21,599 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 05:27:21,599 INFO L80 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 40 events. 2/40 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 1/34 useless extension candidates. Maximal degree in co-relation 48. Up to 3 conditions per place. [2020-10-16 05:27:21,600 INFO L132 encePairwiseOnDemand]: 305/307 looper letters, 0 selfloop transitions, 0 changer transitions 0/32 dead transitions. [2020-10-16 05:27:21,600 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 32 transitions, 82 flow [2020-10-16 05:27:21,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 05:27:21,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-16 05:27:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 554 transitions. [2020-10-16 05:27:21,619 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9022801302931596 [2020-10-16 05:27:21,619 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 554 transitions. [2020-10-16 05:27:21,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 554 transitions. [2020-10-16 05:27:21,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:21,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 554 transitions. [2020-10-16 05:27:21,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-16 05:27:21,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-16 05:27:21,639 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-16 05:27:21,641 INFO L185 Difference]: Start difference. First operand has 37 places, 34 transitions, 86 flow. Second operand 2 states and 554 transitions. [2020-10-16 05:27:21,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 32 transitions, 82 flow [2020-10-16 05:27:21,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 32 transitions, 70 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-16 05:27:21,647 INFO L241 Difference]: Finished difference. Result has 32 places, 32 transitions, 70 flow [2020-10-16 05:27:21,649 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=70, PETRI_PLACES=32, PETRI_TRANSITIONS=32} [2020-10-16 05:27:21,650 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, -5 predicate places. [2020-10-16 05:27:21,650 INFO L481 AbstractCegarLoop]: Abstraction has has 32 places, 32 transitions, 70 flow [2020-10-16 05:27:21,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 05:27:21,651 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:21,651 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2020-10-16 05:27:21,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 05:27:21,651 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:21,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:21,652 INFO L82 PathProgramCache]: Analyzing trace with hash 16663613, now seen corresponding path program 1 times [2020-10-16 05:27:21,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:21,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190368198] [2020-10-16 05:27:21,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:21,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:21,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190368198] [2020-10-16 05:27:21,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:21,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 05:27:21,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281790648] [2020-10-16 05:27:21,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:27:21,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:21,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:27:21,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:27:21,833 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 307 [2020-10-16 05:27:21,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 32 transitions, 70 flow. Second operand 3 states. [2020-10-16 05:27:21,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:21,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 307 [2020-10-16 05:27:21,834 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:22,070 INFO L129 PetriNetUnfolder]: 241/492 cut-off events. [2020-10-16 05:27:22,071 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 05:27:22,072 INFO L80 FinitePrefix]: Finished finitePrefix Result has 938 conditions, 492 events. 241/492 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2464 event pairs, 98 based on Foata normal form. 0/454 useless extension candidates. Maximal degree in co-relation 935. Up to 325 conditions per place. [2020-10-16 05:27:22,079 INFO L132 encePairwiseOnDemand]: 299/307 looper letters, 23 selfloop transitions, 7 changer transitions 0/41 dead transitions. [2020-10-16 05:27:22,080 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 41 transitions, 148 flow [2020-10-16 05:27:22,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:27:22,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:27:22,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2020-10-16 05:27:22,087 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6460369163952225 [2020-10-16 05:27:22,088 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2020-10-16 05:27:22,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2020-10-16 05:27:22,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:22,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2020-10-16 05:27:22,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:27:22,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:27:22,099 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:27:22,099 INFO L185 Difference]: Start difference. First operand has 32 places, 32 transitions, 70 flow. Second operand 3 states and 595 transitions. [2020-10-16 05:27:22,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 41 transitions, 148 flow [2020-10-16 05:27:22,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 41 transitions, 148 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-16 05:27:22,102 INFO L241 Difference]: Finished difference. Result has 36 places, 37 transitions, 120 flow [2020-10-16 05:27:22,102 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=36, PETRI_TRANSITIONS=37} [2020-10-16 05:27:22,103 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, -1 predicate places. [2020-10-16 05:27:22,103 INFO L481 AbstractCegarLoop]: Abstraction has has 36 places, 37 transitions, 120 flow [2020-10-16 05:27:22,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:27:22,103 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:22,103 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 05:27:22,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 05:27:22,104 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:22,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:22,104 INFO L82 PathProgramCache]: Analyzing trace with hash 516572519, now seen corresponding path program 1 times [2020-10-16 05:27:22,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:22,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901871549] [2020-10-16 05:27:22,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:22,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:22,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901871549] [2020-10-16 05:27:22,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:22,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 05:27:22,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458543416] [2020-10-16 05:27:22,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:27:22,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:22,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:27:22,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:27:22,233 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 307 [2020-10-16 05:27:22,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 37 transitions, 120 flow. Second operand 3 states. [2020-10-16 05:27:22,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:22,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 307 [2020-10-16 05:27:22,235 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:22,395 INFO L129 PetriNetUnfolder]: 290/578 cut-off events. [2020-10-16 05:27:22,395 INFO L130 PetriNetUnfolder]: For 253/253 co-relation queries the response was YES. [2020-10-16 05:27:22,398 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1553 conditions, 578 events. 290/578 cut-off events. For 253/253 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3026 event pairs, 127 based on Foata normal form. 17/589 useless extension candidates. Maximal degree in co-relation 1548. Up to 421 conditions per place. [2020-10-16 05:27:22,403 INFO L132 encePairwiseOnDemand]: 300/307 looper letters, 27 selfloop transitions, 9 changer transitions 2/49 dead transitions. [2020-10-16 05:27:22,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 49 transitions, 250 flow [2020-10-16 05:27:22,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:27:22,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:27:22,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 594 transitions. [2020-10-16 05:27:22,406 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6449511400651465 [2020-10-16 05:27:22,407 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 594 transitions. [2020-10-16 05:27:22,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 594 transitions. [2020-10-16 05:27:22,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:22,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 594 transitions. [2020-10-16 05:27:22,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:27:22,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:27:22,413 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:27:22,413 INFO L185 Difference]: Start difference. First operand has 36 places, 37 transitions, 120 flow. Second operand 3 states and 594 transitions. [2020-10-16 05:27:22,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 49 transitions, 250 flow [2020-10-16 05:27:22,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 49 transitions, 226 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 05:27:22,418 INFO L241 Difference]: Finished difference. Result has 37 places, 43 transitions, 177 flow [2020-10-16 05:27:22,419 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=177, PETRI_PLACES=37, PETRI_TRANSITIONS=43} [2020-10-16 05:27:22,419 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 0 predicate places. [2020-10-16 05:27:22,419 INFO L481 AbstractCegarLoop]: Abstraction has has 37 places, 43 transitions, 177 flow [2020-10-16 05:27:22,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:27:22,419 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:22,419 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:22,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 05:27:22,420 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:22,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:22,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1872189527, now seen corresponding path program 1 times [2020-10-16 05:27:22,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:22,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121579449] [2020-10-16 05:27:22,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:22,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121579449] [2020-10-16 05:27:22,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:22,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 05:27:22,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033563063] [2020-10-16 05:27:22,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 05:27:22,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:22,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 05:27:22,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 05:27:22,534 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 307 [2020-10-16 05:27:22,535 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 43 transitions, 177 flow. Second operand 3 states. [2020-10-16 05:27:22,535 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:22,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 307 [2020-10-16 05:27:22,536 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:22,559 INFO L129 PetriNetUnfolder]: 5/45 cut-off events. [2020-10-16 05:27:22,559 INFO L130 PetriNetUnfolder]: For 14/28 co-relation queries the response was YES. [2020-10-16 05:27:22,559 INFO L80 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 45 events. 5/45 cut-off events. For 14/28 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 115 event pairs, 4 based on Foata normal form. 15/58 useless extension candidates. Maximal degree in co-relation 74. Up to 13 conditions per place. [2020-10-16 05:27:22,560 INFO L132 encePairwiseOnDemand]: 305/307 looper letters, 2 selfloop transitions, 1 changer transitions 0/25 dead transitions. [2020-10-16 05:27:22,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 25 transitions, 78 flow [2020-10-16 05:27:22,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 05:27:22,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 05:27:22,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 742 transitions. [2020-10-16 05:27:22,563 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8056460369163952 [2020-10-16 05:27:22,563 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 742 transitions. [2020-10-16 05:27:22,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 742 transitions. [2020-10-16 05:27:22,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:22,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 742 transitions. [2020-10-16 05:27:22,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 05:27:22,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 05:27:22,569 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 05:27:22,569 INFO L185 Difference]: Start difference. First operand has 37 places, 43 transitions, 177 flow. Second operand 3 states and 742 transitions. [2020-10-16 05:27:22,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 25 transitions, 78 flow [2020-10-16 05:27:22,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 25 transitions, 70 flow, removed 4 selfloop flow, removed 1 redundant places. [2020-10-16 05:27:22,571 INFO L241 Difference]: Finished difference. Result has 31 places, 25 transitions, 66 flow [2020-10-16 05:27:22,571 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=31, PETRI_TRANSITIONS=25} [2020-10-16 05:27:22,571 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, -6 predicate places. [2020-10-16 05:27:22,571 INFO L481 AbstractCegarLoop]: Abstraction has has 31 places, 25 transitions, 66 flow [2020-10-16 05:27:22,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 05:27:22,572 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:22,572 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:22,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 05:27:22,572 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:22,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:22,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1708074086, now seen corresponding path program 1 times [2020-10-16 05:27:22,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:22,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284673253] [2020-10-16 05:27:22,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:22,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:22,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284673253] [2020-10-16 05:27:22,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:22,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 05:27:22,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214509917] [2020-10-16 05:27:22,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 05:27:22,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:22,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 05:27:22,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-16 05:27:22,941 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 307 [2020-10-16 05:27:22,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 25 transitions, 66 flow. Second operand 8 states. [2020-10-16 05:27:22,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:22,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 307 [2020-10-16 05:27:22,942 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:23,282 INFO L129 PetriNetUnfolder]: 129/315 cut-off events. [2020-10-16 05:27:23,282 INFO L130 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2020-10-16 05:27:23,283 INFO L80 FinitePrefix]: Finished finitePrefix Result has 676 conditions, 315 events. 129/315 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1512 event pairs, 20 based on Foata normal form. 0/313 useless extension candidates. Maximal degree in co-relation 670. Up to 92 conditions per place. [2020-10-16 05:27:23,285 INFO L132 encePairwiseOnDemand]: 298/307 looper letters, 38 selfloop transitions, 11 changer transitions 0/56 dead transitions. [2020-10-16 05:27:23,285 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 56 transitions, 242 flow [2020-10-16 05:27:23,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 05:27:23,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 05:27:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1142 transitions. [2020-10-16 05:27:23,290 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5314099581200559 [2020-10-16 05:27:23,291 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1142 transitions. [2020-10-16 05:27:23,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1142 transitions. [2020-10-16 05:27:23,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:23,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1142 transitions. [2020-10-16 05:27:23,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 05:27:23,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 05:27:23,299 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 05:27:23,299 INFO L185 Difference]: Start difference. First operand has 31 places, 25 transitions, 66 flow. Second operand 7 states and 1142 transitions. [2020-10-16 05:27:23,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 56 transitions, 242 flow [2020-10-16 05:27:23,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 56 transitions, 241 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 05:27:23,302 INFO L241 Difference]: Finished difference. Result has 38 places, 31 transitions, 122 flow [2020-10-16 05:27:23,303 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=122, PETRI_PLACES=38, PETRI_TRANSITIONS=31} [2020-10-16 05:27:23,303 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2020-10-16 05:27:23,303 INFO L481 AbstractCegarLoop]: Abstraction has has 38 places, 31 transitions, 122 flow [2020-10-16 05:27:23,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 05:27:23,303 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:23,303 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:23,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 05:27:23,304 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:23,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:23,304 INFO L82 PathProgramCache]: Analyzing trace with hash -261973534, now seen corresponding path program 2 times [2020-10-16 05:27:23,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:23,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402904800] [2020-10-16 05:27:23,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:23,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:23,751 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402904800] [2020-10-16 05:27:23,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:23,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 05:27:23,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530047761] [2020-10-16 05:27:23,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 05:27:23,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:23,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 05:27:23,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 05:27:23,756 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 307 [2020-10-16 05:27:23,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 31 transitions, 122 flow. Second operand 8 states. [2020-10-16 05:27:23,758 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:23,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 307 [2020-10-16 05:27:23,758 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:24,176 INFO L129 PetriNetUnfolder]: 200/514 cut-off events. [2020-10-16 05:27:24,176 INFO L130 PetriNetUnfolder]: For 347/349 co-relation queries the response was YES. [2020-10-16 05:27:24,178 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1358 conditions, 514 events. 200/514 cut-off events. For 347/349 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2872 event pairs, 36 based on Foata normal form. 0/508 useless extension candidates. Maximal degree in co-relation 1350. Up to 194 conditions per place. [2020-10-16 05:27:24,181 INFO L132 encePairwiseOnDemand]: 300/307 looper letters, 53 selfloop transitions, 12 changer transitions 0/72 dead transitions. [2020-10-16 05:27:24,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 72 transitions, 431 flow [2020-10-16 05:27:24,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 05:27:24,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 05:27:24,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1144 transitions. [2020-10-16 05:27:24,187 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5323406235458352 [2020-10-16 05:27:24,187 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1144 transitions. [2020-10-16 05:27:24,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1144 transitions. [2020-10-16 05:27:24,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:24,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1144 transitions. [2020-10-16 05:27:24,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 05:27:24,195 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 05:27:24,226 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 05:27:24,226 INFO L185 Difference]: Start difference. First operand has 38 places, 31 transitions, 122 flow. Second operand 7 states and 1144 transitions. [2020-10-16 05:27:24,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 72 transitions, 431 flow [2020-10-16 05:27:24,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 72 transitions, 423 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 05:27:24,233 INFO L241 Difference]: Finished difference. Result has 45 places, 37 transitions, 183 flow [2020-10-16 05:27:24,234 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=183, PETRI_PLACES=45, PETRI_TRANSITIONS=37} [2020-10-16 05:27:24,234 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 8 predicate places. [2020-10-16 05:27:24,234 INFO L481 AbstractCegarLoop]: Abstraction has has 45 places, 37 transitions, 183 flow [2020-10-16 05:27:24,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 05:27:24,234 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:24,234 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:24,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 05:27:24,235 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:24,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:24,237 INFO L82 PathProgramCache]: Analyzing trace with hash 236717483, now seen corresponding path program 1 times [2020-10-16 05:27:24,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:24,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920581784] [2020-10-16 05:27:24,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:25,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:25,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920581784] [2020-10-16 05:27:25,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:25,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 05:27:25,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86516703] [2020-10-16 05:27:25,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:27:25,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:25,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:27:25,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:27:25,069 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 05:27:25,071 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 37 transitions, 183 flow. Second operand 12 states. [2020-10-16 05:27:25,071 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:25,071 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 05:27:25,071 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:26,228 INFO L129 PetriNetUnfolder]: 340/825 cut-off events. [2020-10-16 05:27:26,228 INFO L130 PetriNetUnfolder]: For 1079/1084 co-relation queries the response was YES. [2020-10-16 05:27:26,231 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2439 conditions, 825 events. 340/825 cut-off events. For 1079/1084 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 5177 event pairs, 87 based on Foata normal form. 3/819 useless extension candidates. Maximal degree in co-relation 2428. Up to 470 conditions per place. [2020-10-16 05:27:26,235 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 70 selfloop transitions, 22 changer transitions 18/115 dead transitions. [2020-10-16 05:27:26,235 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 115 transitions, 768 flow [2020-10-16 05:27:26,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 05:27:26,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-16 05:27:26,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1837 transitions. [2020-10-16 05:27:26,242 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.498642779587405 [2020-10-16 05:27:26,242 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1837 transitions. [2020-10-16 05:27:26,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1837 transitions. [2020-10-16 05:27:26,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:26,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1837 transitions. [2020-10-16 05:27:26,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-16 05:27:26,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-16 05:27:26,254 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-16 05:27:26,254 INFO L185 Difference]: Start difference. First operand has 45 places, 37 transitions, 183 flow. Second operand 12 states and 1837 transitions. [2020-10-16 05:27:26,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 115 transitions, 768 flow [2020-10-16 05:27:26,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 115 transitions, 753 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 05:27:26,260 INFO L241 Difference]: Finished difference. Result has 64 places, 59 transitions, 437 flow [2020-10-16 05:27:26,260 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=437, PETRI_PLACES=64, PETRI_TRANSITIONS=59} [2020-10-16 05:27:26,260 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 27 predicate places. [2020-10-16 05:27:26,260 INFO L481 AbstractCegarLoop]: Abstraction has has 64 places, 59 transitions, 437 flow [2020-10-16 05:27:26,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:27:26,261 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:26,261 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:26,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 05:27:26,261 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:26,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:26,262 INFO L82 PathProgramCache]: Analyzing trace with hash 895935809, now seen corresponding path program 2 times [2020-10-16 05:27:26,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:26,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450470345] [2020-10-16 05:27:26,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:26,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450470345] [2020-10-16 05:27:26,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:26,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 05:27:26,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655355590] [2020-10-16 05:27:26,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 05:27:26,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:26,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 05:27:26,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-16 05:27:26,361 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 307 [2020-10-16 05:27:26,362 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 59 transitions, 437 flow. Second operand 4 states. [2020-10-16 05:27:26,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:26,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 307 [2020-10-16 05:27:26,362 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:26,410 INFO L129 PetriNetUnfolder]: 18/149 cut-off events. [2020-10-16 05:27:26,410 INFO L130 PetriNetUnfolder]: For 250/255 co-relation queries the response was YES. [2020-10-16 05:27:26,411 INFO L80 FinitePrefix]: Finished finitePrefix Result has 450 conditions, 149 events. 18/149 cut-off events. For 250/255 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 757 event pairs, 1 based on Foata normal form. 11/155 useless extension candidates. Maximal degree in co-relation 429. Up to 39 conditions per place. [2020-10-16 05:27:26,412 INFO L132 encePairwiseOnDemand]: 302/307 looper letters, 0 selfloop transitions, 7 changer transitions 0/48 dead transitions. [2020-10-16 05:27:26,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 48 transitions, 341 flow [2020-10-16 05:27:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 05:27:26,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-16 05:27:26,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 955 transitions. [2020-10-16 05:27:26,416 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7776872964169381 [2020-10-16 05:27:26,416 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 955 transitions. [2020-10-16 05:27:26,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 955 transitions. [2020-10-16 05:27:26,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:26,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 955 transitions. [2020-10-16 05:27:26,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-16 05:27:26,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-16 05:27:26,421 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-16 05:27:26,421 INFO L185 Difference]: Start difference. First operand has 64 places, 59 transitions, 437 flow. Second operand 4 states and 955 transitions. [2020-10-16 05:27:26,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 48 transitions, 341 flow [2020-10-16 05:27:26,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 48 transitions, 289 flow, removed 25 selfloop flow, removed 7 redundant places. [2020-10-16 05:27:26,425 INFO L241 Difference]: Finished difference. Result has 55 places, 48 transitions, 289 flow [2020-10-16 05:27:26,426 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=289, PETRI_PLACES=55, PETRI_TRANSITIONS=48} [2020-10-16 05:27:26,426 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 18 predicate places. [2020-10-16 05:27:26,426 INFO L481 AbstractCegarLoop]: Abstraction has has 55 places, 48 transitions, 289 flow [2020-10-16 05:27:26,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 05:27:26,426 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:26,426 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:26,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 05:27:26,427 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:26,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:26,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1115343995, now seen corresponding path program 3 times [2020-10-16 05:27:26,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:26,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357706145] [2020-10-16 05:27:26,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:27,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:27,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357706145] [2020-10-16 05:27:27,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:27,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 05:27:27,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006172191] [2020-10-16 05:27:27,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:27:27,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:27,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:27:27,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:27:27,128 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 05:27:27,130 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 48 transitions, 289 flow. Second operand 12 states. [2020-10-16 05:27:27,130 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:27,130 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 05:27:27,130 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:27,944 INFO L129 PetriNetUnfolder]: 111/351 cut-off events. [2020-10-16 05:27:27,944 INFO L130 PetriNetUnfolder]: For 586/589 co-relation queries the response was YES. [2020-10-16 05:27:27,947 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1247 conditions, 351 events. 111/351 cut-off events. For 586/589 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1943 event pairs, 51 based on Foata normal form. 1/345 useless extension candidates. Maximal degree in co-relation 1232. Up to 236 conditions per place. [2020-10-16 05:27:27,949 INFO L132 encePairwiseOnDemand]: 296/307 looper letters, 46 selfloop transitions, 7 changer transitions 28/86 dead transitions. [2020-10-16 05:27:27,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 86 transitions, 666 flow [2020-10-16 05:27:27,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 05:27:27,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-16 05:27:27,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1660 transitions. [2020-10-16 05:27:27,955 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4915605567071365 [2020-10-16 05:27:27,955 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1660 transitions. [2020-10-16 05:27:27,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1660 transitions. [2020-10-16 05:27:27,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:27,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1660 transitions. [2020-10-16 05:27:27,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-16 05:27:27,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-16 05:27:27,967 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-16 05:27:27,968 INFO L185 Difference]: Start difference. First operand has 55 places, 48 transitions, 289 flow. Second operand 11 states and 1660 transitions. [2020-10-16 05:27:27,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 86 transitions, 666 flow [2020-10-16 05:27:27,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 86 transitions, 654 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 05:27:27,974 INFO L241 Difference]: Finished difference. Result has 70 places, 50 transitions, 338 flow [2020-10-16 05:27:27,975 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=338, PETRI_PLACES=70, PETRI_TRANSITIONS=50} [2020-10-16 05:27:27,975 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 33 predicate places. [2020-10-16 05:27:27,975 INFO L481 AbstractCegarLoop]: Abstraction has has 70 places, 50 transitions, 338 flow [2020-10-16 05:27:27,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:27:27,976 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:27,976 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:27,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 05:27:27,977 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:27,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:27,977 INFO L82 PathProgramCache]: Analyzing trace with hash 939896303, now seen corresponding path program 4 times [2020-10-16 05:27:27,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:27,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253776256] [2020-10-16 05:27:27,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:28,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:28,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253776256] [2020-10-16 05:27:28,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:28,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 05:27:28,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846948569] [2020-10-16 05:27:28,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:27:28,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:28,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:27:28,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:27:28,599 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 05:27:28,600 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 50 transitions, 338 flow. Second operand 12 states. [2020-10-16 05:27:28,601 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:28,601 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 05:27:28,601 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:29,446 INFO L129 PetriNetUnfolder]: 100/329 cut-off events. [2020-10-16 05:27:29,446 INFO L130 PetriNetUnfolder]: For 708/712 co-relation queries the response was YES. [2020-10-16 05:27:29,448 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1214 conditions, 329 events. 100/329 cut-off events. For 708/712 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1793 event pairs, 40 based on Foata normal form. 1/324 useless extension candidates. Maximal degree in co-relation 1192. Up to 197 conditions per place. [2020-10-16 05:27:29,450 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 54 selfloop transitions, 33 changer transitions 3/95 dead transitions. [2020-10-16 05:27:29,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 95 transitions, 791 flow [2020-10-16 05:27:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 05:27:29,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 05:27:29,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1963 transitions. [2020-10-16 05:27:29,457 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.49185667752442996 [2020-10-16 05:27:29,457 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1963 transitions. [2020-10-16 05:27:29,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1963 transitions. [2020-10-16 05:27:29,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:29,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1963 transitions. [2020-10-16 05:27:29,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 05:27:29,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 05:27:29,468 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 05:27:29,468 INFO L185 Difference]: Start difference. First operand has 70 places, 50 transitions, 338 flow. Second operand 13 states and 1963 transitions. [2020-10-16 05:27:29,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 95 transitions, 791 flow [2020-10-16 05:27:29,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 95 transitions, 746 flow, removed 18 selfloop flow, removed 7 redundant places. [2020-10-16 05:27:29,474 INFO L241 Difference]: Finished difference. Result has 75 places, 74 transitions, 595 flow [2020-10-16 05:27:29,475 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=595, PETRI_PLACES=75, PETRI_TRANSITIONS=74} [2020-10-16 05:27:29,475 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 38 predicate places. [2020-10-16 05:27:29,475 INFO L481 AbstractCegarLoop]: Abstraction has has 75 places, 74 transitions, 595 flow [2020-10-16 05:27:29,475 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:27:29,475 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:29,475 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:29,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 05:27:29,476 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:29,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:29,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1070270531, now seen corresponding path program 5 times [2020-10-16 05:27:29,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:29,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73787731] [2020-10-16 05:27:29,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:30,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73787731] [2020-10-16 05:27:30,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:30,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 05:27:30,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163649014] [2020-10-16 05:27:30,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:27:30,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:30,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:27:30,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:27:30,179 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 05:27:30,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 74 transitions, 595 flow. Second operand 12 states. [2020-10-16 05:27:30,181 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:30,181 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 05:27:30,181 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:31,047 INFO L129 PetriNetUnfolder]: 105/355 cut-off events. [2020-10-16 05:27:31,048 INFO L130 PetriNetUnfolder]: For 989/997 co-relation queries the response was YES. [2020-10-16 05:27:31,050 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1422 conditions, 355 events. 105/355 cut-off events. For 989/997 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2033 event pairs, 39 based on Foata normal form. 5/355 useless extension candidates. Maximal degree in co-relation 1399. Up to 223 conditions per place. [2020-10-16 05:27:31,054 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 68 selfloop transitions, 29 changer transitions 2/104 dead transitions. [2020-10-16 05:27:31,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 104 transitions, 977 flow [2020-10-16 05:27:31,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 05:27:31,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-16 05:27:31,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1812 transitions. [2020-10-16 05:27:31,062 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.49185667752442996 [2020-10-16 05:27:31,062 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1812 transitions. [2020-10-16 05:27:31,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1812 transitions. [2020-10-16 05:27:31,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:31,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1812 transitions. [2020-10-16 05:27:31,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-16 05:27:31,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-16 05:27:31,078 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-16 05:27:31,078 INFO L185 Difference]: Start difference. First operand has 75 places, 74 transitions, 595 flow. Second operand 12 states and 1812 transitions. [2020-10-16 05:27:31,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 104 transitions, 977 flow [2020-10-16 05:27:31,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 104 transitions, 926 flow, removed 21 selfloop flow, removed 3 redundant places. [2020-10-16 05:27:31,093 INFO L241 Difference]: Finished difference. Result has 86 places, 82 transitions, 698 flow [2020-10-16 05:27:31,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=698, PETRI_PLACES=86, PETRI_TRANSITIONS=82} [2020-10-16 05:27:31,094 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 49 predicate places. [2020-10-16 05:27:31,094 INFO L481 AbstractCegarLoop]: Abstraction has has 86 places, 82 transitions, 698 flow [2020-10-16 05:27:31,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:27:31,094 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:31,095 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:31,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 05:27:31,095 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:31,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:31,096 INFO L82 PathProgramCache]: Analyzing trace with hash 93598733, now seen corresponding path program 6 times [2020-10-16 05:27:31,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:31,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427160003] [2020-10-16 05:27:31,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:31,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:31,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427160003] [2020-10-16 05:27:31,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:31,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 05:27:31,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475634846] [2020-10-16 05:27:31,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:27:31,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:31,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:27:31,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:27:31,813 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 05:27:31,814 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 82 transitions, 698 flow. Second operand 12 states. [2020-10-16 05:27:31,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:31,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 05:27:31,814 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:32,830 INFO L129 PetriNetUnfolder]: 103/365 cut-off events. [2020-10-16 05:27:32,830 INFO L130 PetriNetUnfolder]: For 1073/1081 co-relation queries the response was YES. [2020-10-16 05:27:32,831 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1497 conditions, 365 events. 103/365 cut-off events. For 1073/1081 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2150 event pairs, 40 based on Foata normal form. 5/364 useless extension candidates. Maximal degree in co-relation 1470. Up to 205 conditions per place. [2020-10-16 05:27:32,833 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 63 selfloop transitions, 42 changer transitions 1/111 dead transitions. [2020-10-16 05:27:32,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 111 transitions, 1075 flow [2020-10-16 05:27:32,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 05:27:32,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 05:27:32,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2111 transitions. [2020-10-16 05:27:32,840 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.49115867845509537 [2020-10-16 05:27:32,840 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2111 transitions. [2020-10-16 05:27:32,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2111 transitions. [2020-10-16 05:27:32,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:32,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2111 transitions. [2020-10-16 05:27:32,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 05:27:32,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 05:27:32,851 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 05:27:32,852 INFO L185 Difference]: Start difference. First operand has 86 places, 82 transitions, 698 flow. Second operand 14 states and 2111 transitions. [2020-10-16 05:27:32,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 111 transitions, 1075 flow [2020-10-16 05:27:32,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 111 transitions, 1032 flow, removed 4 selfloop flow, removed 6 redundant places. [2020-10-16 05:27:32,860 INFO L241 Difference]: Finished difference. Result has 97 places, 92 transitions, 871 flow [2020-10-16 05:27:32,860 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=871, PETRI_PLACES=97, PETRI_TRANSITIONS=92} [2020-10-16 05:27:32,861 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 60 predicate places. [2020-10-16 05:27:32,861 INFO L481 AbstractCegarLoop]: Abstraction has has 97 places, 92 transitions, 871 flow [2020-10-16 05:27:32,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:27:32,861 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:32,861 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:32,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 05:27:32,862 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:32,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:32,862 INFO L82 PathProgramCache]: Analyzing trace with hash -334085357, now seen corresponding path program 7 times [2020-10-16 05:27:32,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:32,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205866390] [2020-10-16 05:27:32,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:33,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:33,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205866390] [2020-10-16 05:27:33,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:33,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 05:27:33,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619134779] [2020-10-16 05:27:33,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:27:33,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:33,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:27:33,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:27:33,550 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 05:27:33,551 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 92 transitions, 871 flow. Second operand 12 states. [2020-10-16 05:27:33,551 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:33,551 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 05:27:33,551 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:34,423 INFO L129 PetriNetUnfolder]: 116/415 cut-off events. [2020-10-16 05:27:34,423 INFO L130 PetriNetUnfolder]: For 1271/1274 co-relation queries the response was YES. [2020-10-16 05:27:34,425 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1739 conditions, 415 events. 116/415 cut-off events. For 1271/1274 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2567 event pairs, 52 based on Foata normal form. 1/411 useless extension candidates. Maximal degree in co-relation 1708. Up to 304 conditions per place. [2020-10-16 05:27:34,428 INFO L132 encePairwiseOnDemand]: 295/307 looper letters, 103 selfloop transitions, 14 changer transitions 0/122 dead transitions. [2020-10-16 05:27:34,428 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 122 transitions, 1296 flow [2020-10-16 05:27:34,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 05:27:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-16 05:27:34,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1803 transitions. [2020-10-16 05:27:34,434 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48941368078175895 [2020-10-16 05:27:34,434 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1803 transitions. [2020-10-16 05:27:34,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1803 transitions. [2020-10-16 05:27:34,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:34,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1803 transitions. [2020-10-16 05:27:34,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-16 05:27:34,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-16 05:27:34,444 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-16 05:27:34,444 INFO L185 Difference]: Start difference. First operand has 97 places, 92 transitions, 871 flow. Second operand 12 states and 1803 transitions. [2020-10-16 05:27:34,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 122 transitions, 1296 flow [2020-10-16 05:27:34,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 122 transitions, 1251 flow, removed 4 selfloop flow, removed 6 redundant places. [2020-10-16 05:27:34,455 INFO L241 Difference]: Finished difference. Result has 110 places, 104 transitions, 991 flow [2020-10-16 05:27:34,456 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=991, PETRI_PLACES=110, PETRI_TRANSITIONS=104} [2020-10-16 05:27:34,456 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 73 predicate places. [2020-10-16 05:27:34,456 INFO L481 AbstractCegarLoop]: Abstraction has has 110 places, 104 transitions, 991 flow [2020-10-16 05:27:34,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:27:34,456 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:34,456 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:34,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 05:27:34,457 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:34,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:34,457 INFO L82 PathProgramCache]: Analyzing trace with hash -771222061, now seen corresponding path program 8 times [2020-10-16 05:27:34,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:34,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192449463] [2020-10-16 05:27:34,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:34,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:34,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192449463] [2020-10-16 05:27:34,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:34,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 05:27:34,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005668356] [2020-10-16 05:27:34,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:27:34,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:35,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:27:35,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:27:35,002 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 05:27:35,003 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 104 transitions, 991 flow. Second operand 12 states. [2020-10-16 05:27:35,003 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:35,003 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 05:27:35,003 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:35,894 INFO L129 PetriNetUnfolder]: 129/463 cut-off events. [2020-10-16 05:27:35,895 INFO L130 PetriNetUnfolder]: For 1554/1564 co-relation queries the response was YES. [2020-10-16 05:27:35,898 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1990 conditions, 463 events. 129/463 cut-off events. For 1554/1564 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3019 event pairs, 65 based on Foata normal form. 3/461 useless extension candidates. Maximal degree in co-relation 1951. Up to 343 conditions per place. [2020-10-16 05:27:35,901 INFO L132 encePairwiseOnDemand]: 295/307 looper letters, 106 selfloop transitions, 19 changer transitions 0/130 dead transitions. [2020-10-16 05:27:35,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 130 transitions, 1432 flow [2020-10-16 05:27:35,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 05:27:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 05:27:35,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2096 transitions. [2020-10-16 05:27:35,907 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48766868310842254 [2020-10-16 05:27:35,907 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2096 transitions. [2020-10-16 05:27:35,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2096 transitions. [2020-10-16 05:27:35,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:35,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2096 transitions. [2020-10-16 05:27:35,911 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 05:27:35,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 05:27:35,918 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 05:27:35,918 INFO L185 Difference]: Start difference. First operand has 110 places, 104 transitions, 991 flow. Second operand 14 states and 2096 transitions. [2020-10-16 05:27:35,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 130 transitions, 1432 flow [2020-10-16 05:27:35,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 130 transitions, 1368 flow, removed 32 selfloop flow, removed 0 redundant places. [2020-10-16 05:27:35,933 INFO L241 Difference]: Finished difference. Result has 130 places, 114 transitions, 1109 flow [2020-10-16 05:27:35,934 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1109, PETRI_PLACES=130, PETRI_TRANSITIONS=114} [2020-10-16 05:27:35,934 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 93 predicate places. [2020-10-16 05:27:35,934 INFO L481 AbstractCegarLoop]: Abstraction has has 130 places, 114 transitions, 1109 flow [2020-10-16 05:27:35,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:27:35,934 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:35,935 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:35,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 05:27:35,935 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:35,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:35,935 INFO L82 PathProgramCache]: Analyzing trace with hash -85989037, now seen corresponding path program 9 times [2020-10-16 05:27:35,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:35,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819330851] [2020-10-16 05:27:35,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:36,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:36,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819330851] [2020-10-16 05:27:36,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:36,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 05:27:36,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519925535] [2020-10-16 05:27:36,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:27:36,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:36,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:27:36,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:27:36,534 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 05:27:36,535 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 114 transitions, 1109 flow. Second operand 12 states. [2020-10-16 05:27:36,535 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:36,535 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 05:27:36,535 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:37,476 INFO L129 PetriNetUnfolder]: 140/505 cut-off events. [2020-10-16 05:27:37,476 INFO L130 PetriNetUnfolder]: For 1774/1779 co-relation queries the response was YES. [2020-10-16 05:27:37,479 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2200 conditions, 505 events. 140/505 cut-off events. For 1774/1779 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3378 event pairs, 44 based on Foata normal form. 1/502 useless extension candidates. Maximal degree in co-relation 2153. Up to 337 conditions per place. [2020-10-16 05:27:37,483 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 119 selfloop transitions, 27 changer transitions 0/151 dead transitions. [2020-10-16 05:27:37,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 151 transitions, 1677 flow [2020-10-16 05:27:37,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 05:27:37,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 05:27:37,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1957 transitions. [2020-10-16 05:27:37,487 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4903532949135555 [2020-10-16 05:27:37,488 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1957 transitions. [2020-10-16 05:27:37,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1957 transitions. [2020-10-16 05:27:37,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:37,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1957 transitions. [2020-10-16 05:27:37,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 05:27:37,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 05:27:37,496 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 05:27:37,496 INFO L185 Difference]: Start difference. First operand has 130 places, 114 transitions, 1109 flow. Second operand 13 states and 1957 transitions. [2020-10-16 05:27:37,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 151 transitions, 1677 flow [2020-10-16 05:27:37,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 151 transitions, 1603 flow, removed 35 selfloop flow, removed 1 redundant places. [2020-10-16 05:27:37,513 INFO L241 Difference]: Finished difference. Result has 145 places, 126 transitions, 1261 flow [2020-10-16 05:27:37,514 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1261, PETRI_PLACES=145, PETRI_TRANSITIONS=126} [2020-10-16 05:27:37,514 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 108 predicate places. [2020-10-16 05:27:37,514 INFO L481 AbstractCegarLoop]: Abstraction has has 145 places, 126 transitions, 1261 flow [2020-10-16 05:27:37,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:27:37,514 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:37,514 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:37,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 05:27:37,515 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:37,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:37,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1091324849, now seen corresponding path program 10 times [2020-10-16 05:27:37,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:37,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405752453] [2020-10-16 05:27:37,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:38,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405752453] [2020-10-16 05:27:38,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:38,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 05:27:38,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509556690] [2020-10-16 05:27:38,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:27:38,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:38,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:27:38,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:27:38,080 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 05:27:38,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 126 transitions, 1261 flow. Second operand 12 states. [2020-10-16 05:27:38,081 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:38,081 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 05:27:38,081 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:39,013 INFO L129 PetriNetUnfolder]: 142/522 cut-off events. [2020-10-16 05:27:39,013 INFO L130 PetriNetUnfolder]: For 2089/2099 co-relation queries the response was YES. [2020-10-16 05:27:39,016 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2369 conditions, 522 events. 142/522 cut-off events. For 2089/2099 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3580 event pairs, 45 based on Foata normal form. 4/524 useless extension candidates. Maximal degree in co-relation 2317. Up to 354 conditions per place. [2020-10-16 05:27:39,018 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 116 selfloop transitions, 34 changer transitions 2/157 dead transitions. [2020-10-16 05:27:39,018 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 157 transitions, 1815 flow [2020-10-16 05:27:39,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 05:27:39,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-16 05:27:39,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1807 transitions. [2020-10-16 05:27:39,021 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.49049945711183496 [2020-10-16 05:27:39,021 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1807 transitions. [2020-10-16 05:27:39,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1807 transitions. [2020-10-16 05:27:39,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:39,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1807 transitions. [2020-10-16 05:27:39,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-16 05:27:39,031 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-16 05:27:39,032 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-16 05:27:39,032 INFO L185 Difference]: Start difference. First operand has 145 places, 126 transitions, 1261 flow. Second operand 12 states and 1807 transitions. [2020-10-16 05:27:39,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 157 transitions, 1815 flow [2020-10-16 05:27:39,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 157 transitions, 1676 flow, removed 53 selfloop flow, removed 6 redundant places. [2020-10-16 05:27:39,056 INFO L241 Difference]: Finished difference. Result has 154 places, 137 transitions, 1370 flow [2020-10-16 05:27:39,056 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=1149, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1370, PETRI_PLACES=154, PETRI_TRANSITIONS=137} [2020-10-16 05:27:39,056 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 117 predicate places. [2020-10-16 05:27:39,057 INFO L481 AbstractCegarLoop]: Abstraction has has 154 places, 137 transitions, 1370 flow [2020-10-16 05:27:39,057 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:27:39,057 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:39,057 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:39,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-16 05:27:39,058 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:39,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:39,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1042697855, now seen corresponding path program 11 times [2020-10-16 05:27:39,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:39,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871654198] [2020-10-16 05:27:39,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:39,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871654198] [2020-10-16 05:27:39,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:39,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 05:27:39,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177621843] [2020-10-16 05:27:39,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:27:39,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:39,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:27:39,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:27:39,539 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 05:27:39,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 137 transitions, 1370 flow. Second operand 12 states. [2020-10-16 05:27:39,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:39,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 05:27:39,540 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:40,351 INFO L129 PetriNetUnfolder]: 141/521 cut-off events. [2020-10-16 05:27:40,351 INFO L130 PetriNetUnfolder]: For 2040/2052 co-relation queries the response was YES. [2020-10-16 05:27:40,353 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2364 conditions, 521 events. 141/521 cut-off events. For 2040/2052 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3592 event pairs, 62 based on Foata normal form. 1/521 useless extension candidates. Maximal degree in co-relation 2308. Up to 403 conditions per place. [2020-10-16 05:27:40,356 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 138 selfloop transitions, 17 changer transitions 0/160 dead transitions. [2020-10-16 05:27:40,356 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 160 transitions, 1857 flow [2020-10-16 05:27:40,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 05:27:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-16 05:27:40,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1803 transitions. [2020-10-16 05:27:40,359 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48941368078175895 [2020-10-16 05:27:40,359 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1803 transitions. [2020-10-16 05:27:40,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1803 transitions. [2020-10-16 05:27:40,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:40,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1803 transitions. [2020-10-16 05:27:40,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-16 05:27:40,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-16 05:27:40,363 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-16 05:27:40,363 INFO L185 Difference]: Start difference. First operand has 154 places, 137 transitions, 1370 flow. Second operand 12 states and 1803 transitions. [2020-10-16 05:27:40,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 160 transitions, 1857 flow [2020-10-16 05:27:40,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 160 transitions, 1765 flow, removed 17 selfloop flow, removed 9 redundant places. [2020-10-16 05:27:40,384 INFO L241 Difference]: Finished difference. Result has 162 places, 144 transitions, 1429 flow [2020-10-16 05:27:40,385 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=1284, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1429, PETRI_PLACES=162, PETRI_TRANSITIONS=144} [2020-10-16 05:27:40,385 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 125 predicate places. [2020-10-16 05:27:40,385 INFO L481 AbstractCegarLoop]: Abstraction has has 162 places, 144 transitions, 1429 flow [2020-10-16 05:27:40,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:27:40,385 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:40,386 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:40,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-16 05:27:40,386 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:40,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:40,386 INFO L82 PathProgramCache]: Analyzing trace with hash 78138958, now seen corresponding path program 3 times [2020-10-16 05:27:40,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:40,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39309671] [2020-10-16 05:27:40,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:40,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:40,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39309671] [2020-10-16 05:27:40,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:40,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 05:27:40,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237949376] [2020-10-16 05:27:40,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 05:27:40,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:40,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 05:27:40,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 05:27:40,635 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 307 [2020-10-16 05:27:40,637 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 144 transitions, 1429 flow. Second operand 8 states. [2020-10-16 05:27:40,637 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:40,637 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 307 [2020-10-16 05:27:40,637 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:41,042 INFO L129 PetriNetUnfolder]: 124/513 cut-off events. [2020-10-16 05:27:41,042 INFO L130 PetriNetUnfolder]: For 1872/1877 co-relation queries the response was YES. [2020-10-16 05:27:41,045 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2258 conditions, 513 events. 124/513 cut-off events. For 1872/1877 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3615 event pairs, 43 based on Foata normal form. 8/521 useless extension candidates. Maximal degree in co-relation 2200. Up to 175 conditions per place. [2020-10-16 05:27:41,047 INFO L132 encePairwiseOnDemand]: 298/307 looper letters, 83 selfloop transitions, 45 changer transitions 35/170 dead transitions. [2020-10-16 05:27:41,047 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 170 transitions, 1964 flow [2020-10-16 05:27:41,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 05:27:41,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-16 05:27:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1301 transitions. [2020-10-16 05:27:41,049 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5297231270358306 [2020-10-16 05:27:41,049 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1301 transitions. [2020-10-16 05:27:41,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1301 transitions. [2020-10-16 05:27:41,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:41,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1301 transitions. [2020-10-16 05:27:41,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-16 05:27:41,052 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-16 05:27:41,053 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-16 05:27:41,053 INFO L185 Difference]: Start difference. First operand has 162 places, 144 transitions, 1429 flow. Second operand 8 states and 1301 transitions. [2020-10-16 05:27:41,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 170 transitions, 1964 flow [2020-10-16 05:27:41,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 170 transitions, 1875 flow, removed 28 selfloop flow, removed 5 redundant places. [2020-10-16 05:27:41,071 INFO L241 Difference]: Finished difference. Result has 164 places, 118 transitions, 1211 flow [2020-10-16 05:27:41,071 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=1310, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1211, PETRI_PLACES=164, PETRI_TRANSITIONS=118} [2020-10-16 05:27:41,071 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 127 predicate places. [2020-10-16 05:27:41,071 INFO L481 AbstractCegarLoop]: Abstraction has has 164 places, 118 transitions, 1211 flow [2020-10-16 05:27:41,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 05:27:41,071 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:41,072 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:41,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-16 05:27:41,072 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:41,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:41,072 INFO L82 PathProgramCache]: Analyzing trace with hash 225457395, now seen corresponding path program 12 times [2020-10-16 05:27:41,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:41,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612301774] [2020-10-16 05:27:41,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:41,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612301774] [2020-10-16 05:27:41,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:41,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 05:27:41,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300685700] [2020-10-16 05:27:41,636 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:27:41,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:41,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:27:41,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:27:41,638 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 05:27:41,639 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 118 transitions, 1211 flow. Second operand 12 states. [2020-10-16 05:27:41,639 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:41,640 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 05:27:41,640 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:42,432 INFO L129 PetriNetUnfolder]: 128/463 cut-off events. [2020-10-16 05:27:42,432 INFO L130 PetriNetUnfolder]: For 1710/1715 co-relation queries the response was YES. [2020-10-16 05:27:42,465 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2112 conditions, 463 events. 128/463 cut-off events. For 1710/1715 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3038 event pairs, 62 based on Foata normal form. 4/467 useless extension candidates. Maximal degree in co-relation 2057. Up to 336 conditions per place. [2020-10-16 05:27:42,467 INFO L132 encePairwiseOnDemand]: 296/307 looper letters, 96 selfloop transitions, 7 changer transitions 37/145 dead transitions. [2020-10-16 05:27:42,467 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 145 transitions, 1674 flow [2020-10-16 05:27:42,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 05:27:42,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-16 05:27:42,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1660 transitions. [2020-10-16 05:27:42,470 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4915605567071365 [2020-10-16 05:27:42,470 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1660 transitions. [2020-10-16 05:27:42,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1660 transitions. [2020-10-16 05:27:42,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:42,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1660 transitions. [2020-10-16 05:27:42,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-16 05:27:42,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-16 05:27:42,474 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-16 05:27:42,474 INFO L185 Difference]: Start difference. First operand has 164 places, 118 transitions, 1211 flow. Second operand 11 states and 1660 transitions. [2020-10-16 05:27:42,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 145 transitions, 1674 flow [2020-10-16 05:27:42,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 145 transitions, 1531 flow, removed 16 selfloop flow, removed 19 redundant places. [2020-10-16 05:27:42,487 INFO L241 Difference]: Finished difference. Result has 150 places, 108 transitions, 1023 flow [2020-10-16 05:27:42,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=1099, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1023, PETRI_PLACES=150, PETRI_TRANSITIONS=108} [2020-10-16 05:27:42,487 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 113 predicate places. [2020-10-16 05:27:42,487 INFO L481 AbstractCegarLoop]: Abstraction has has 150 places, 108 transitions, 1023 flow [2020-10-16 05:27:42,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:27:42,488 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:42,488 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:42,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-16 05:27:42,488 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:42,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:42,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1777016593, now seen corresponding path program 13 times [2020-10-16 05:27:42,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:42,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082285480] [2020-10-16 05:27:42,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:43,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:43,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082285480] [2020-10-16 05:27:43,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:43,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 05:27:43,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064437427] [2020-10-16 05:27:43,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:27:43,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:43,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:27:43,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:27:43,065 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 05:27:43,066 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 108 transitions, 1023 flow. Second operand 12 states. [2020-10-16 05:27:43,066 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:43,067 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 05:27:43,067 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:43,788 INFO L129 PetriNetUnfolder]: 103/381 cut-off events. [2020-10-16 05:27:43,788 INFO L130 PetriNetUnfolder]: For 1270/1274 co-relation queries the response was YES. [2020-10-16 05:27:43,790 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1666 conditions, 381 events. 103/381 cut-off events. For 1270/1274 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2361 event pairs, 55 based on Foata normal form. 3/384 useless extension candidates. Maximal degree in co-relation 1618. Up to 271 conditions per place. [2020-10-16 05:27:43,792 INFO L132 encePairwiseOnDemand]: 296/307 looper letters, 72 selfloop transitions, 6 changer transitions 32/115 dead transitions. [2020-10-16 05:27:43,792 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 115 transitions, 1264 flow [2020-10-16 05:27:43,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 05:27:43,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-16 05:27:43,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1652 transitions. [2020-10-16 05:27:43,794 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4891915901687889 [2020-10-16 05:27:43,795 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1652 transitions. [2020-10-16 05:27:43,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1652 transitions. [2020-10-16 05:27:43,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:43,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1652 transitions. [2020-10-16 05:27:43,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-16 05:27:43,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-16 05:27:43,799 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-16 05:27:43,799 INFO L185 Difference]: Start difference. First operand has 150 places, 108 transitions, 1023 flow. Second operand 11 states and 1652 transitions. [2020-10-16 05:27:43,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 115 transitions, 1264 flow [2020-10-16 05:27:43,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 115 transitions, 1213 flow, removed 12 selfloop flow, removed 11 redundant places. [2020-10-16 05:27:43,811 INFO L241 Difference]: Finished difference. Result has 140 places, 83 transitions, 768 flow [2020-10-16 05:27:43,812 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=964, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=768, PETRI_PLACES=140, PETRI_TRANSITIONS=83} [2020-10-16 05:27:43,812 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 103 predicate places. [2020-10-16 05:27:43,812 INFO L481 AbstractCegarLoop]: Abstraction has has 140 places, 83 transitions, 768 flow [2020-10-16 05:27:43,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:27:43,812 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:43,812 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:43,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-16 05:27:43,813 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:43,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:43,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1875288738, now seen corresponding path program 1 times [2020-10-16 05:27:43,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:43,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982315583] [2020-10-16 05:27:43,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:43,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:43,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982315583] [2020-10-16 05:27:43,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:43,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 05:27:43,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146810017] [2020-10-16 05:27:43,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 05:27:43,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:43,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 05:27:43,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-16 05:27:43,888 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 307 [2020-10-16 05:27:43,888 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 83 transitions, 768 flow. Second operand 6 states. [2020-10-16 05:27:43,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:43,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 307 [2020-10-16 05:27:43,889 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:44,059 INFO L129 PetriNetUnfolder]: 65/301 cut-off events. [2020-10-16 05:27:44,060 INFO L130 PetriNetUnfolder]: For 795/797 co-relation queries the response was YES. [2020-10-16 05:27:44,062 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1236 conditions, 301 events. 65/301 cut-off events. For 795/797 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1815 event pairs, 45 based on Foata normal form. 8/307 useless extension candidates. Maximal degree in co-relation 1193. Up to 219 conditions per place. [2020-10-16 05:27:44,064 INFO L132 encePairwiseOnDemand]: 301/307 looper letters, 59 selfloop transitions, 8 changer transitions 0/86 dead transitions. [2020-10-16 05:27:44,064 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 86 transitions, 904 flow [2020-10-16 05:27:44,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 05:27:44,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 05:27:44,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1169 transitions. [2020-10-16 05:27:44,067 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6346362649294245 [2020-10-16 05:27:44,067 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1169 transitions. [2020-10-16 05:27:44,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1169 transitions. [2020-10-16 05:27:44,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:44,067 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1169 transitions. [2020-10-16 05:27:44,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 05:27:44,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 05:27:44,072 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 05:27:44,072 INFO L185 Difference]: Start difference. First operand has 140 places, 83 transitions, 768 flow. Second operand 6 states and 1169 transitions. [2020-10-16 05:27:44,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 86 transitions, 904 flow [2020-10-16 05:27:44,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 86 transitions, 788 flow, removed 12 selfloop flow, removed 19 redundant places. [2020-10-16 05:27:44,079 INFO L241 Difference]: Finished difference. Result has 111 places, 79 transitions, 634 flow [2020-10-16 05:27:44,079 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=634, PETRI_PLACES=111, PETRI_TRANSITIONS=79} [2020-10-16 05:27:44,079 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 74 predicate places. [2020-10-16 05:27:44,080 INFO L481 AbstractCegarLoop]: Abstraction has has 111 places, 79 transitions, 634 flow [2020-10-16 05:27:44,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 05:27:44,080 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:44,080 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:44,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-16 05:27:44,080 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:44,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:44,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1204703076, now seen corresponding path program 4 times [2020-10-16 05:27:44,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:44,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66504602] [2020-10-16 05:27:44,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:44,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:44,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66504602] [2020-10-16 05:27:44,328 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:44,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 05:27:44,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423894183] [2020-10-16 05:27:44,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 05:27:44,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:44,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 05:27:44,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 05:27:44,331 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 307 [2020-10-16 05:27:44,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 79 transitions, 634 flow. Second operand 8 states. [2020-10-16 05:27:44,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:44,332 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 307 [2020-10-16 05:27:44,332 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:44,647 INFO L129 PetriNetUnfolder]: 70/283 cut-off events. [2020-10-16 05:27:44,647 INFO L130 PetriNetUnfolder]: For 667/672 co-relation queries the response was YES. [2020-10-16 05:27:44,648 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1155 conditions, 283 events. 70/283 cut-off events. For 667/672 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1655 event pairs, 32 based on Foata normal form. 4/287 useless extension candidates. Maximal degree in co-relation 1122. Up to 115 conditions per place. [2020-10-16 05:27:44,649 INFO L132 encePairwiseOnDemand]: 301/307 looper letters, 21 selfloop transitions, 6 changer transitions 50/84 dead transitions. [2020-10-16 05:27:44,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 84 transitions, 791 flow [2020-10-16 05:27:44,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 05:27:44,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 05:27:44,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1129 transitions. [2020-10-16 05:27:44,651 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5253606328524896 [2020-10-16 05:27:44,651 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1129 transitions. [2020-10-16 05:27:44,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1129 transitions. [2020-10-16 05:27:44,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:44,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1129 transitions. [2020-10-16 05:27:44,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 05:27:44,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 05:27:44,653 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 05:27:44,654 INFO L185 Difference]: Start difference. First operand has 111 places, 79 transitions, 634 flow. Second operand 7 states and 1129 transitions. [2020-10-16 05:27:44,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 84 transitions, 791 flow [2020-10-16 05:27:44,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 84 transitions, 778 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-16 05:27:44,657 INFO L241 Difference]: Finished difference. Result has 110 places, 32 transitions, 238 flow [2020-10-16 05:27:44,658 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=238, PETRI_PLACES=110, PETRI_TRANSITIONS=32} [2020-10-16 05:27:44,658 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 73 predicate places. [2020-10-16 05:27:44,658 INFO L481 AbstractCegarLoop]: Abstraction has has 110 places, 32 transitions, 238 flow [2020-10-16 05:27:44,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 05:27:44,658 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:44,658 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:44,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-16 05:27:44,658 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:44,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:44,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1820797443, now seen corresponding path program 1 times [2020-10-16 05:27:44,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:44,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225656715] [2020-10-16 05:27:44,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:44,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:44,795 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225656715] [2020-10-16 05:27:44,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:44,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 05:27:44,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346797738] [2020-10-16 05:27:44,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 05:27:44,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:44,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 05:27:44,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-16 05:27:44,802 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 307 [2020-10-16 05:27:44,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 32 transitions, 238 flow. Second operand 9 states. [2020-10-16 05:27:44,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:44,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 307 [2020-10-16 05:27:44,803 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:44,993 INFO L129 PetriNetUnfolder]: 2/46 cut-off events. [2020-10-16 05:27:44,993 INFO L130 PetriNetUnfolder]: For 205/205 co-relation queries the response was YES. [2020-10-16 05:27:44,993 INFO L80 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 46 events. 2/46 cut-off events. For 205/205 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 76 event pairs, 0 based on Foata normal form. 12/58 useless extension candidates. Maximal degree in co-relation 207. Up to 17 conditions per place. [2020-10-16 05:27:44,994 INFO L132 encePairwiseOnDemand]: 299/307 looper letters, 20 selfloop transitions, 10 changer transitions 0/31 dead transitions. [2020-10-16 05:27:44,994 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 31 transitions, 295 flow [2020-10-16 05:27:44,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 05:27:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-16 05:27:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1331 transitions. [2020-10-16 05:27:44,996 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5419381107491856 [2020-10-16 05:27:44,996 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1331 transitions. [2020-10-16 05:27:44,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1331 transitions. [2020-10-16 05:27:44,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:44,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1331 transitions. [2020-10-16 05:27:44,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-16 05:27:44,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-16 05:27:44,999 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-16 05:27:44,999 INFO L185 Difference]: Start difference. First operand has 110 places, 32 transitions, 238 flow. Second operand 8 states and 1331 transitions. [2020-10-16 05:27:44,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 31 transitions, 295 flow [2020-10-16 05:27:45,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 31 transitions, 179 flow, removed 25 selfloop flow, removed 34 redundant places. [2020-10-16 05:27:45,001 INFO L241 Difference]: Finished difference. Result has 53 places, 29 transitions, 132 flow [2020-10-16 05:27:45,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=132, PETRI_PLACES=53, PETRI_TRANSITIONS=29} [2020-10-16 05:27:45,001 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 16 predicate places. [2020-10-16 05:27:45,001 INFO L481 AbstractCegarLoop]: Abstraction has has 53 places, 29 transitions, 132 flow [2020-10-16 05:27:45,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 05:27:45,001 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:45,002 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:45,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-16 05:27:45,002 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:45,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:45,002 INFO L82 PathProgramCache]: Analyzing trace with hash -2122005953, now seen corresponding path program 14 times [2020-10-16 05:27:45,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:45,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996187470] [2020-10-16 05:27:45,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:45,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:45,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996187470] [2020-10-16 05:27:45,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:45,613 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 05:27:45,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674380448] [2020-10-16 05:27:45,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:27:45,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:45,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:27:45,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:27:45,617 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 05:27:45,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 29 transitions, 132 flow. Second operand 12 states. [2020-10-16 05:27:45,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:45,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 05:27:45,619 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:46,276 INFO L129 PetriNetUnfolder]: 1/52 cut-off events. [2020-10-16 05:27:46,276 INFO L130 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2020-10-16 05:27:46,277 INFO L80 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 52 events. 1/52 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 117 event pairs, 1 based on Foata normal form. 1/53 useless extension candidates. Maximal degree in co-relation 152. Up to 12 conditions per place. [2020-10-16 05:27:46,277 INFO L132 encePairwiseOnDemand]: 296/307 looper letters, 12 selfloop transitions, 12 changer transitions 7/34 dead transitions. [2020-10-16 05:27:46,277 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 34 transitions, 218 flow [2020-10-16 05:27:46,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 05:27:46,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-16 05:27:46,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1780 transitions. [2020-10-16 05:27:46,280 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4831704668838219 [2020-10-16 05:27:46,280 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1780 transitions. [2020-10-16 05:27:46,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1780 transitions. [2020-10-16 05:27:46,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:46,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1780 transitions. [2020-10-16 05:27:46,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-16 05:27:46,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-16 05:27:46,285 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-16 05:27:46,285 INFO L185 Difference]: Start difference. First operand has 53 places, 29 transitions, 132 flow. Second operand 12 states and 1780 transitions. [2020-10-16 05:27:46,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 34 transitions, 218 flow [2020-10-16 05:27:46,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 34 transitions, 197 flow, removed 0 selfloop flow, removed 6 redundant places. [2020-10-16 05:27:46,287 INFO L241 Difference]: Finished difference. Result has 59 places, 27 transitions, 129 flow [2020-10-16 05:27:46,287 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=129, PETRI_PLACES=59, PETRI_TRANSITIONS=27} [2020-10-16 05:27:46,287 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 22 predicate places. [2020-10-16 05:27:46,287 INFO L481 AbstractCegarLoop]: Abstraction has has 59 places, 27 transitions, 129 flow [2020-10-16 05:27:46,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:27:46,287 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:46,288 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:46,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-16 05:27:46,288 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:46,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:46,288 INFO L82 PathProgramCache]: Analyzing trace with hash -149903114, now seen corresponding path program 5 times [2020-10-16 05:27:46,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:46,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62489712] [2020-10-16 05:27:46,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:46,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:46,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62489712] [2020-10-16 05:27:46,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:46,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 05:27:46,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598382917] [2020-10-16 05:27:46,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 05:27:46,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:46,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 05:27:46,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 05:27:46,508 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 307 [2020-10-16 05:27:46,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 27 transitions, 129 flow. Second operand 8 states. [2020-10-16 05:27:46,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:46,509 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 307 [2020-10-16 05:27:46,509 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:46,704 INFO L129 PetriNetUnfolder]: 1/34 cut-off events. [2020-10-16 05:27:46,704 INFO L130 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2020-10-16 05:27:46,705 INFO L80 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 34 events. 1/34 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 1/35 useless extension candidates. Maximal degree in co-relation 100. Up to 13 conditions per place. [2020-10-16 05:27:46,705 INFO L132 encePairwiseOnDemand]: 301/307 looper letters, 13 selfloop transitions, 5 changer transitions 5/28 dead transitions. [2020-10-16 05:27:46,705 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 28 transitions, 175 flow [2020-10-16 05:27:46,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 05:27:46,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 05:27:46,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1115 transitions. [2020-10-16 05:27:46,707 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5188459748720335 [2020-10-16 05:27:46,707 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1115 transitions. [2020-10-16 05:27:46,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1115 transitions. [2020-10-16 05:27:46,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:46,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1115 transitions. [2020-10-16 05:27:46,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 05:27:46,711 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 05:27:46,712 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 05:27:46,712 INFO L185 Difference]: Start difference. First operand has 59 places, 27 transitions, 129 flow. Second operand 7 states and 1115 transitions. [2020-10-16 05:27:46,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 28 transitions, 175 flow [2020-10-16 05:27:46,713 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 28 transitions, 142 flow, removed 2 selfloop flow, removed 12 redundant places. [2020-10-16 05:27:46,714 INFO L241 Difference]: Finished difference. Result has 49 places, 22 transitions, 79 flow [2020-10-16 05:27:46,714 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=79, PETRI_PLACES=49, PETRI_TRANSITIONS=22} [2020-10-16 05:27:46,714 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 12 predicate places. [2020-10-16 05:27:46,715 INFO L481 AbstractCegarLoop]: Abstraction has has 49 places, 22 transitions, 79 flow [2020-10-16 05:27:46,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 05:27:46,715 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 05:27:46,715 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 05:27:46,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-16 05:27:46,715 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 05:27:46,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 05:27:46,716 INFO L82 PathProgramCache]: Analyzing trace with hash 163009471, now seen corresponding path program 15 times [2020-10-16 05:27:46,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 05:27:46,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82254917] [2020-10-16 05:27:46,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 05:27:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 05:27:47,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 05:27:47,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82254917] [2020-10-16 05:27:47,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 05:27:47,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 05:27:47,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660105888] [2020-10-16 05:27:47,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 05:27:47,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 05:27:47,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 05:27:47,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-16 05:27:47,240 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 05:27:47,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 22 transitions, 79 flow. Second operand 12 states. [2020-10-16 05:27:47,241 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 05:27:47,241 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 05:27:47,241 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 05:27:47,748 INFO L129 PetriNetUnfolder]: 1/23 cut-off events. [2020-10-16 05:27:47,748 INFO L130 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2020-10-16 05:27:47,749 INFO L80 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 23 events. 1/23 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 4 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 61. Up to 6 conditions per place. [2020-10-16 05:27:47,749 INFO L132 encePairwiseOnDemand]: 297/307 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2020-10-16 05:27:47,749 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 22 transitions, 110 flow [2020-10-16 05:27:47,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 05:27:47,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-16 05:27:47,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1626 transitions. [2020-10-16 05:27:47,752 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48149244891915904 [2020-10-16 05:27:47,752 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1626 transitions. [2020-10-16 05:27:47,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1626 transitions. [2020-10-16 05:27:47,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 05:27:47,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1626 transitions. [2020-10-16 05:27:47,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-16 05:27:47,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-16 05:27:47,757 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-16 05:27:47,757 INFO L185 Difference]: Start difference. First operand has 49 places, 22 transitions, 79 flow. Second operand 11 states and 1626 transitions. [2020-10-16 05:27:47,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 22 transitions, 110 flow [2020-10-16 05:27:47,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 22 transitions, 93 flow, removed 2 selfloop flow, removed 8 redundant places. [2020-10-16 05:27:47,758 INFO L241 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2020-10-16 05:27:47,758 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=53, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2020-10-16 05:27:47,759 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 7 predicate places. [2020-10-16 05:27:47,759 INFO L481 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2020-10-16 05:27:47,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 05:27:47,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-16 05:27:47,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 05:27:47 BasicIcfg [2020-10-16 05:27:47,763 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 05:27:47,765 INFO L168 Benchmark]: Toolchain (without parser) took 84387.81 ms. Allocated memory was 251.7 MB in the beginning and 724.0 MB in the end (delta: 472.4 MB). Free memory was 204.5 MB in the beginning and 192.2 MB in the end (delta: 12.3 MB). Peak memory consumption was 484.7 MB. Max. memory is 14.2 GB. [2020-10-16 05:27:47,765 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 251.7 MB. Free memory was 229.7 MB in the beginning and 228.9 MB in the end (delta: 839.2 kB). Peak memory consumption was 839.2 kB. Max. memory is 14.2 GB. [2020-10-16 05:27:47,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1258.13 ms. Allocated memory was 251.7 MB in the beginning and 357.6 MB in the end (delta: 105.9 MB). Free memory was 203.7 MB in the beginning and 319.6 MB in the end (delta: -116.0 MB). Peak memory consumption was 109.5 MB. Max. memory is 14.2 GB. [2020-10-16 05:27:47,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.36 ms. Allocated memory is still 357.6 MB. Free memory was 319.6 MB in the beginning and 315.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.2 GB. [2020-10-16 05:27:47,767 INFO L168 Benchmark]: Boogie Preprocessor took 48.93 ms. Allocated memory is still 357.6 MB. Free memory was 315.2 MB in the beginning and 313.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.2 GB. [2020-10-16 05:27:47,767 INFO L168 Benchmark]: RCFGBuilder took 739.97 ms. Allocated memory is still 357.6 MB. Free memory was 313.0 MB in the beginning and 264.0 MB in the end (delta: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 14.2 GB. [2020-10-16 05:27:47,767 INFO L168 Benchmark]: TraceAbstraction took 82266.06 ms. Allocated memory was 357.6 MB in the beginning and 724.0 MB in the end (delta: 366.5 MB). Free memory was 264.0 MB in the beginning and 192.2 MB in the end (delta: 71.8 MB). Peak memory consumption was 438.3 MB. Max. memory is 14.2 GB. [2020-10-16 05:27:47,769 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 251.7 MB. Free memory was 229.7 MB in the beginning and 228.9 MB in the end (delta: 839.2 kB). Peak memory consumption was 839.2 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1258.13 ms. Allocated memory was 251.7 MB in the beginning and 357.6 MB in the end (delta: 105.9 MB). Free memory was 203.7 MB in the beginning and 319.6 MB in the end (delta: -116.0 MB). Peak memory consumption was 109.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 69.36 ms. Allocated memory is still 357.6 MB. Free memory was 319.6 MB in the beginning and 315.2 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 48.93 ms. Allocated memory is still 357.6 MB. Free memory was 315.2 MB in the beginning and 313.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.2 GB. * RCFGBuilder took 739.97 ms. Allocated memory is still 357.6 MB. Free memory was 313.0 MB in the beginning and 264.0 MB in the end (delta: 49.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 14.2 GB. * TraceAbstraction took 82266.06 ms. Allocated memory was 357.6 MB in the beginning and 724.0 MB in the end (delta: 366.5 MB). Free memory was 264.0 MB in the beginning and 192.2 MB in the end (delta: 71.8 MB). Peak memory consumption was 438.3 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1395 VarBasedMoverChecksPositive, 64 VarBasedMoverChecksNegative, 5 SemBasedMoverChecksPositive, 37 SemBasedMoverChecksNegative, 22 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 48.0s, 113 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 55.4s, 141 PlacesBefore, 37 PlacesAfterwards, 143 TransitionsBefore, 34 TransitionsAfterwards, 2236 CoEnabledTransitionPairs, 8 FixpointIterations, 86 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 10 ConcurrentYvCompositions, 5 ChoiceCompositions, 153 TotalNumberOfCompositions, 5623 MoverChecksTotal - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 130 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 82.1s, OverallIterations: 26, TraceHistogramMax: 1, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 55.5s, HoareTripleCheckerStatistics: 317 SDtfs, 465 SDslu, 646 SDs, 0 SdLazy, 5098 SolverSat, 405 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 23 SyntacticMatches, 33 SemanticMatches, 297 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 12.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1429occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 504 NumberOfCodeBlocks, 504 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 478 ConstructedInterpolants, 0 QuantifiedInterpolants, 216657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...