/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.epf -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 01:59:05,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 01:59:05,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 01:59:05,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 01:59:05,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 01:59:05,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 01:59:05,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 01:59:05,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 01:59:05,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 01:59:05,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 01:59:05,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 01:59:05,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 01:59:05,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 01:59:05,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 01:59:05,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 01:59:05,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 01:59:05,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 01:59:05,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 01:59:05,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 01:59:05,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 01:59:05,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 01:59:05,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 01:59:05,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 01:59:05,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 01:59:05,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 01:59:05,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 01:59:05,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 01:59:05,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 01:59:05,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 01:59:05,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 01:59:05,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 01:59:05,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 01:59:05,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 01:59:05,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 01:59:05,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 01:59:05,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 01:59:05,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 01:59:05,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 01:59:05,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 01:59:05,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 01:59:05,296 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 01:59:05,299 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.epf [2020-10-16 01:59:05,324 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 01:59:05,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 01:59:05,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 01:59:05,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 01:59:05,326 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 01:59:05,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 01:59:05,326 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 01:59:05,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 01:59:05,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 01:59:05,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 01:59:05,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 01:59:05,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 01:59:05,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 01:59:05,328 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 01:59:05,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 01:59:05,333 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 01:59:05,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 01:59:05,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 01:59:05,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 01:59:05,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 01:59:05,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 01:59:05,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 01:59:05,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 01:59:05,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 01:59:05,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 01:59:05,335 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 01:59:05,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 01:59:05,336 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 01:59:05,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 01:59:05,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 01:59:05,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 01:59:05,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 01:59:05,671 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 01:59:05,672 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 01:59:05,672 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2020-10-16 01:59:05,728 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec9760ea7/e238e16395fe46bda1e6dd0c4ccb7ca1/FLAG0ee856f17 [2020-10-16 01:59:06,284 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 01:59:06,285 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2020-10-16 01:59:06,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec9760ea7/e238e16395fe46bda1e6dd0c4ccb7ca1/FLAG0ee856f17 [2020-10-16 01:59:06,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec9760ea7/e238e16395fe46bda1e6dd0c4ccb7ca1 [2020-10-16 01:59:06,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 01:59:06,556 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 01:59:06,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 01:59:06,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 01:59:06,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 01:59:06,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:59:06" (1/1) ... [2020-10-16 01:59:06,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2724721d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:06, skipping insertion in model container [2020-10-16 01:59:06,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:59:06" (1/1) ... [2020-10-16 01:59:06,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 01:59:06,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 01:59:07,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:59:07,352 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 01:59:07,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:59:07,739 INFO L208 MainTranslator]: Completed translation [2020-10-16 01:59:07,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:07 WrapperNode [2020-10-16 01:59:07,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 01:59:07,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 01:59:07,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 01:59:07,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 01:59:07,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:07" (1/1) ... [2020-10-16 01:59:07,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:07" (1/1) ... [2020-10-16 01:59:07,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 01:59:07,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 01:59:07,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 01:59:07,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 01:59:07,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:07" (1/1) ... [2020-10-16 01:59:07,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:07" (1/1) ... [2020-10-16 01:59:07,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:07" (1/1) ... [2020-10-16 01:59:07,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:07" (1/1) ... [2020-10-16 01:59:07,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:07" (1/1) ... [2020-10-16 01:59:07,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:07" (1/1) ... [2020-10-16 01:59:07,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:07" (1/1) ... [2020-10-16 01:59:07,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 01:59:07,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 01:59:07,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 01:59:07,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 01:59:07,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:07" (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 01:59:07,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 01:59:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 01:59:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 01:59:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 01:59:07,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 01:59:07,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 01:59:07,970 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-16 01:59:07,970 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-16 01:59:07,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 01:59:07,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 01:59:07,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 01:59:07,972 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 01:59:08,552 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 01:59:08,552 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-16 01:59:08,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:59:08 BoogieIcfgContainer [2020-10-16 01:59:08,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 01:59:08,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 01:59:08,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 01:59:08,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 01:59:08,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:59:06" (1/3) ... [2020-10-16 01:59:08,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d9b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:59:08, skipping insertion in model container [2020-10-16 01:59:08,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:59:07" (2/3) ... [2020-10-16 01:59:08,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61d9b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:59:08, skipping insertion in model container [2020-10-16 01:59:08,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:59:08" (3/3) ... [2020-10-16 01:59:08,566 INFO L111 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2020-10-16 01:59:08,578 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 01:59:08,588 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-16 01:59:08,589 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 01:59:08,622 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,622 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,622 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,622 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,623 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,623 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,623 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,623 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,623 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,624 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,624 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,624 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,624 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,624 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,624 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,625 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,625 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,625 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,625 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,625 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,625 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,626 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,626 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,626 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,626 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,627 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,627 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,627 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,627 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,627 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,628 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,628 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,628 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,628 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,629 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,629 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,629 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,629 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,630 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,630 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,630 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,630 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,630 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,631 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,631 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,631 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,631 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,631 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,631 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,632 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,632 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,632 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,632 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,632 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,632 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,633 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,633 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,633 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,633 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,634 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,634 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,634 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,634 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,635 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,635 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,635 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,635 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,635 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,636 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,636 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,639 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,640 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,640 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,640 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,640 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,641 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,641 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,641 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,641 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,641 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,641 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,642 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,651 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,651 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,651 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,651 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,651 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,652 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,652 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,652 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,652 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,652 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,653 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~dev~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:59:08,676 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-16 01:59:08,697 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 01:59:08,697 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 01:59:08,697 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 01:59:08,697 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 01:59:08,698 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 01:59:08,698 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 01:59:08,698 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 01:59:08,698 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 01:59:08,714 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 151 places, 155 transitions, 332 flow [2020-10-16 01:59:08,787 INFO L129 PetriNetUnfolder]: 11/193 cut-off events. [2020-10-16 01:59:08,788 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 01:59:08,796 INFO L80 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 193 events. 11/193 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 378 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 107. Up to 4 conditions per place. [2020-10-16 01:59:08,797 INFO L82 GeneralOperation]: Start removeDead. Operand has 151 places, 155 transitions, 332 flow [2020-10-16 01:59:08,815 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 144 transitions, 306 flow [2020-10-16 01:59:08,819 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 01:59:08,823 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 144 transitions, 306 flow [2020-10-16 01:59:08,826 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 144 transitions, 306 flow [2020-10-16 01:59:08,826 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 142 places, 144 transitions, 306 flow [2020-10-16 01:59:08,893 INFO L129 PetriNetUnfolder]: 8/176 cut-off events. [2020-10-16 01:59:08,894 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 01:59:08,895 INFO L80 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 176 events. 8/176 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 335 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 98. Up to 4 conditions per place. [2020-10-16 01:59:08,899 INFO L117 LiptonReduction]: Number of co-enabled transitions 2436 [2020-10-16 01:59:09,037 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 01:59:09,063 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:09,069 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 01:59:09,091 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:09,093 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 01:59:09,093 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 01:59:09,111 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 01:59:09,142 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:09,149 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 01:59:09,172 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:09,173 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 01:59:09,174 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 01:59:11,309 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 01:59:11,335 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:11,349 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 01:59:11,373 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:11,374 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 01:59:11,375 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 01:59:11,390 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 01:59:11,413 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:11,418 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 01:59:11,438 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:11,439 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 01:59:11,440 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:13,681 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 01:59:13,706 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:13,711 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 01:59:13,730 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:13,731 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 01:59:13,732 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 01:59:13,747 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 01:59:13,774 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:13,779 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 01:59:13,839 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:13,841 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 01:59:13,841 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:15,941 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 01:59:15,965 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:15,970 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 01:59:15,988 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:15,989 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 01:59:15,990 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 01:59:16,005 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 01:59:16,034 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:16,038 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 01:59:16,058 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:16,059 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 01:59:16,059 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 01:59:18,126 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 01:59:18,149 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:18,154 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 01:59:18,173 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:18,175 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 01:59:18,175 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:100 [2020-10-16 01:59:18,191 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 01:59:18,216 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:18,220 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 01:59:18,238 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:18,239 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 01:59:18,239 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-16 01:59:20,369 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 01:59:20,396 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:20,402 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 01:59:20,423 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:20,424 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 01:59:20,425 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:20,436 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 01:59:20,458 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:20,463 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 01:59:20,478 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:20,479 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 01:59:20,480 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 01:59:22,850 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 01:59:22,877 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:22,881 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 01:59:22,908 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:22,909 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 01:59:22,910 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 01:59:22,925 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 01:59:22,949 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:22,952 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 01:59:22,978 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:22,979 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 01:59:22,980 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 01:59:25,009 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 01:59:25,040 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:25,043 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 01:59:25,059 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:25,060 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 01:59:25,060 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:25,079 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 01:59:25,099 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:25,103 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 01:59:25,120 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:25,121 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 01:59:25,122 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 01:59:27,147 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 01:59:27,172 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:27,176 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 01:59:27,193 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:27,195 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 01:59:27,195 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 01:59:27,208 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 01:59:27,235 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:27,239 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 01:59:27,254 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:27,256 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 01:59:27,256 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:29,386 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 01:59:29,415 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:29,418 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 01:59:29,446 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:29,447 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 01:59:29,448 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 01:59:29,464 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 01:59:29,488 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:29,492 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 01:59:29,517 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:29,519 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 01:59:29,520 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 01:59:31,751 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 01:59:31,782 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:31,787 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 01:59:31,813 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:31,814 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 01:59:31,814 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 01:59:31,825 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 01:59:31,852 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:31,856 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 01:59:31,879 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:31,880 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 01:59:31,881 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 01:59:33,988 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 01:59:34,014 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:34,019 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 01:59:34,039 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:34,040 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 01:59:34,041 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:34,058 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 01:59:34,081 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:34,085 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 01:59:34,110 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:34,111 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 01:59:34,112 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:36,358 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 01:59:36,376 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:36,379 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 01:59:36,399 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:36,400 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 01:59:36,400 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:100 [2020-10-16 01:59:36,418 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 01:59:36,442 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:36,446 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 01:59:36,466 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:36,468 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 01:59:36,468 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-16 01:59:36,495 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 01:59:36,519 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:36,523 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 01:59:36,542 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:36,543 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 01:59:36,543 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-16 01:59:36,550 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 01:59:36,568 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:36,572 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 01:59:36,587 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:36,588 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 01:59:36,589 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-10-16 01:59:38,655 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 01:59:38,678 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:38,681 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 01:59:38,706 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:38,707 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 01:59:38,707 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:38,714 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 01:59:38,736 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:38,739 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 01:59:38,761 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:38,762 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 01:59:38,763 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:40,797 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 01:59:40,824 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:40,828 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 01:59:40,849 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:40,850 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 01:59:40,850 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:40,860 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 01:59:40,902 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:40,908 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 01:59:40,936 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:40,938 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 01:59:40,938 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:43,037 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 01:59:43,059 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:43,062 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 01:59:43,080 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:43,081 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 01:59:43,082 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:43,096 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 01:59:43,119 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:43,126 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 01:59:43,147 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:43,148 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 01:59:43,148 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:45,222 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 01:59:45,245 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:45,248 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 01:59:45,263 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:45,264 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 01:59:45,264 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 01:59:45,280 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 01:59:45,298 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:45,301 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 01:59:45,317 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:45,318 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 01:59:45,318 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:47,404 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 01:59:47,429 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:47,432 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 01:59:47,453 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:47,454 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 01:59:47,455 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:47,478 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 01:59:47,501 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:47,505 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 01:59:47,534 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:47,535 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 01:59:47,535 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 01:59:49,578 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 01:59:49,597 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:49,600 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 01:59:49,620 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:49,621 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 01:59:49,621 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:71 [2020-10-16 01:59:49,866 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2020-10-16 01:59:49,874 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 01:59:49,934 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:49,948 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 01:59:50,005 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:50,006 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 01:59:50,006 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:104 [2020-10-16 01:59:50,206 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 01:59:50,237 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:50,242 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 01:59:50,267 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:50,268 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 01:59:50,268 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 01:59:50,295 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 01:59:50,325 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:50,333 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 01:59:50,360 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:50,361 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 01:59:50,362 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 01:59:52,466 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 01:59:52,485 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:52,490 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 01:59:52,512 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:52,513 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 01:59:52,514 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-16 01:59:52,529 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 01:59:52,547 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:52,550 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 01:59:52,563 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:52,564 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 01:59:52,565 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:100 [2020-10-16 01:59:54,613 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 01:59:54,631 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:54,634 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 01:59:54,649 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:54,649 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 01:59:54,649 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 01:59:54,656 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 01:59:54,674 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:54,678 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 01:59:54,697 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:54,698 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 01:59:54,698 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 01:59:56,717 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 01:59:56,743 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:56,746 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 01:59:56,761 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:56,762 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 01:59:56,762 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 01:59:56,769 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 01:59:56,787 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:56,790 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 01:59:56,805 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:56,806 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 01:59:56,806 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 01:59:58,836 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 01:59:58,858 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:58,861 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 01:59:58,878 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:58,879 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 01:59:58,880 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-10-16 01:59:58,889 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 01:59:58,916 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:58,921 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 01:59:58,938 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 01:59:58,939 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 01:59:58,940 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-16 02:00:01,695 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 02:00:01,720 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:01,724 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 02:00:01,758 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:01,759 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 02:00:01,760 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:00:01,770 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 02:00:01,791 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:01,793 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 02:00:01,809 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:01,810 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 02:00:01,810 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 02:00:04,047 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-10-16 02:00:04,412 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-10-16 02:00:04,725 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-16 02:00:04,880 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-16 02:00:05,848 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 136 [2020-10-16 02:00:05,861 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 02:00:06,315 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-16 02:00:06,315 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:06,323 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 02:00:06,718 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-16 02:00:06,719 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:00:06,719 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 02:00:06,720 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:267, output treesize:279 [2020-10-16 02:00:07,134 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-16 02:00:07,653 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 128 [2020-10-16 02:00:07,872 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-16 02:00:07,882 INFO L132 LiptonReduction]: Checked pairs total: 5917 [2020-10-16 02:00:07,882 INFO L134 LiptonReduction]: Total number of compositions: 152 [2020-10-16 02:00:07,885 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59069 [2020-10-16 02:00:07,890 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2020-10-16 02:00:07,890 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:00:07,890 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:07,891 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2020-10-16 02:00:07,891 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 02:00:07,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:07,897 INFO L82 PathProgramCache]: Analyzing trace with hash 544, now seen corresponding path program 1 times [2020-10-16 02:00:07,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:07,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235251289] [2020-10-16 02:00:07,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:08,123 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 02:00:08,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235251289] [2020-10-16 02:00:08,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:08,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-16 02:00:08,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430063702] [2020-10-16 02:00:08,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 02:00:08,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:08,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 02:00:08,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 02:00:08,156 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 278 out of 307 [2020-10-16 02:00:08,160 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 35 transitions, 88 flow. Second operand 2 states. [2020-10-16 02:00:08,160 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:08,160 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 278 of 307 [2020-10-16 02:00:08,161 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:08,174 INFO L129 PetriNetUnfolder]: 2/40 cut-off events. [2020-10-16 02:00:08,175 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 02:00:08,175 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 74 event pairs, 0 based on Foata normal form. 3/36 useless extension candidates. Maximal degree in co-relation 48. Up to 3 conditions per place. [2020-10-16 02:00:08,176 INFO L132 encePairwiseOnDemand]: 304/307 looper letters, 0 selfloop transitions, 0 changer transitions 0/32 dead transitions. [2020-10-16 02:00:08,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 32 transitions, 82 flow [2020-10-16 02:00:08,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 02:00:08,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-16 02:00:08,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 559 transitions. [2020-10-16 02:00:08,197 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9104234527687296 [2020-10-16 02:00:08,197 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 559 transitions. [2020-10-16 02:00:08,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 559 transitions. [2020-10-16 02:00:08,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:08,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 559 transitions. [2020-10-16 02:00:08,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-16 02:00:08,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-16 02:00:08,221 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-16 02:00:08,223 INFO L185 Difference]: Start difference. First operand has 37 places, 35 transitions, 88 flow. Second operand 2 states and 559 transitions. [2020-10-16 02:00:08,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 32 transitions, 82 flow [2020-10-16 02:00:08,227 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 02:00:08,228 INFO L241 Difference]: Finished difference. Result has 32 places, 32 transitions, 70 flow [2020-10-16 02:00:08,231 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 02:00:08,232 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, -5 predicate places. [2020-10-16 02:00:08,232 INFO L481 AbstractCegarLoop]: Abstraction has has 32 places, 32 transitions, 70 flow [2020-10-16 02:00:08,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 02:00:08,232 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:08,232 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2020-10-16 02:00:08,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 02:00:08,233 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 02:00:08,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:08,233 INFO L82 PathProgramCache]: Analyzing trace with hash 16702116, now seen corresponding path program 1 times [2020-10-16 02:00:08,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:08,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617066447] [2020-10-16 02:00:08,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:08,421 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 02:00:08,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617066447] [2020-10-16 02:00:08,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:08,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 02:00:08,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740181876] [2020-10-16 02:00:08,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:00:08,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:08,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:00:08,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:00:08,427 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 307 [2020-10-16 02:00:08,428 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 32 transitions, 70 flow. Second operand 3 states. [2020-10-16 02:00:08,428 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:08,429 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 307 [2020-10-16 02:00:08,429 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:08,578 INFO L129 PetriNetUnfolder]: 241/492 cut-off events. [2020-10-16 02:00:08,579 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:00:08,580 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 2480 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 02:00:08,584 INFO L132 encePairwiseOnDemand]: 299/307 looper letters, 23 selfloop transitions, 7 changer transitions 0/41 dead transitions. [2020-10-16 02:00:08,584 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 41 transitions, 148 flow [2020-10-16 02:00:08,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:00:08,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:00:08,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 601 transitions. [2020-10-16 02:00:08,588 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6525515743756786 [2020-10-16 02:00:08,588 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 601 transitions. [2020-10-16 02:00:08,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 601 transitions. [2020-10-16 02:00:08,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:08,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 601 transitions. [2020-10-16 02:00:08,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:00:08,592 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:00:08,593 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:00:08,593 INFO L185 Difference]: Start difference. First operand has 32 places, 32 transitions, 70 flow. Second operand 3 states and 601 transitions. [2020-10-16 02:00:08,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 41 transitions, 148 flow [2020-10-16 02:00:08,593 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 02:00:08,595 INFO L241 Difference]: Finished difference. Result has 36 places, 37 transitions, 120 flow [2020-10-16 02:00:08,595 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 02:00:08,596 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, -1 predicate places. [2020-10-16 02:00:08,596 INFO L481 AbstractCegarLoop]: Abstraction has has 36 places, 37 transitions, 120 flow [2020-10-16 02:00:08,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:00:08,596 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:08,596 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 02:00:08,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 02:00:08,597 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 02:00:08,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:08,597 INFO L82 PathProgramCache]: Analyzing trace with hash 517765959, now seen corresponding path program 1 times [2020-10-16 02:00:08,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:08,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538175619] [2020-10-16 02:00:08,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:08,656 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 02:00:08,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538175619] [2020-10-16 02:00:08,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:08,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 02:00:08,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146253450] [2020-10-16 02:00:08,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:00:08,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:08,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:00:08,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:00:08,659 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 307 [2020-10-16 02:00:08,660 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 37 transitions, 120 flow. Second operand 3 states. [2020-10-16 02:00:08,660 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:08,660 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 307 [2020-10-16 02:00:08,660 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:08,795 INFO L129 PetriNetUnfolder]: 290/578 cut-off events. [2020-10-16 02:00:08,795 INFO L130 PetriNetUnfolder]: For 253/253 co-relation queries the response was YES. [2020-10-16 02:00:08,797 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 56. Compared 3025 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 02:00:08,800 INFO L132 encePairwiseOnDemand]: 300/307 looper letters, 27 selfloop transitions, 9 changer transitions 2/49 dead transitions. [2020-10-16 02:00:08,801 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 49 transitions, 250 flow [2020-10-16 02:00:08,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:00:08,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:00:08,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 600 transitions. [2020-10-16 02:00:08,803 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6514657980456026 [2020-10-16 02:00:08,804 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 600 transitions. [2020-10-16 02:00:08,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 600 transitions. [2020-10-16 02:00:08,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:08,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 600 transitions. [2020-10-16 02:00:08,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:00:08,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:00:08,808 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:00:08,808 INFO L185 Difference]: Start difference. First operand has 36 places, 37 transitions, 120 flow. Second operand 3 states and 600 transitions. [2020-10-16 02:00:08,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 49 transitions, 250 flow [2020-10-16 02:00:08,811 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 02:00:08,812 INFO L241 Difference]: Finished difference. Result has 37 places, 43 transitions, 177 flow [2020-10-16 02:00:08,813 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 02:00:08,813 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 0 predicate places. [2020-10-16 02:00:08,813 INFO L481 AbstractCegarLoop]: Abstraction has has 37 places, 43 transitions, 177 flow [2020-10-16 02:00:08,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:00:08,813 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:08,813 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:00:08,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 02:00:08,814 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 02:00:08,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:08,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1502005243, now seen corresponding path program 1 times [2020-10-16 02:00:08,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:08,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607806062] [2020-10-16 02:00:08,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:08,879 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 02:00:08,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607806062] [2020-10-16 02:00:08,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:08,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:00:08,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572505115] [2020-10-16 02:00:08,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:00:08,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:08,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:00:08,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:00:08,882 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 253 out of 307 [2020-10-16 02:00:08,883 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 43 transitions, 177 flow. Second operand 3 states. [2020-10-16 02:00:08,883 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:08,883 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 253 of 307 [2020-10-16 02:00:08,883 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:08,908 INFO L129 PetriNetUnfolder]: 5/45 cut-off events. [2020-10-16 02:00:08,909 INFO L130 PetriNetUnfolder]: For 14/28 co-relation queries the response was YES. [2020-10-16 02:00:08,909 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 02:00:08,909 INFO L132 encePairwiseOnDemand]: 305/307 looper letters, 2 selfloop transitions, 1 changer transitions 0/25 dead transitions. [2020-10-16 02:00:08,909 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 25 transitions, 78 flow [2020-10-16 02:00:08,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:00:08,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:00:08,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 763 transitions. [2020-10-16 02:00:08,912 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8284473398479913 [2020-10-16 02:00:08,913 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 763 transitions. [2020-10-16 02:00:08,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 763 transitions. [2020-10-16 02:00:08,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:08,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 763 transitions. [2020-10-16 02:00:08,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:00:08,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:00:08,917 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:00:08,917 INFO L185 Difference]: Start difference. First operand has 37 places, 43 transitions, 177 flow. Second operand 3 states and 763 transitions. [2020-10-16 02:00:08,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 25 transitions, 78 flow [2020-10-16 02:00:08,918 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 02:00:08,919 INFO L241 Difference]: Finished difference. Result has 31 places, 25 transitions, 66 flow [2020-10-16 02:00:08,919 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 02:00:08,919 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, -6 predicate places. [2020-10-16 02:00:08,919 INFO L481 AbstractCegarLoop]: Abstraction has has 31 places, 25 transitions, 66 flow [2020-10-16 02:00:08,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:00:08,919 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:08,919 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 02:00:08,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 02:00:08,920 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 02:00:08,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:08,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1377964766, now seen corresponding path program 1 times [2020-10-16 02:00:08,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:08,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128819726] [2020-10-16 02:00:08,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:09,134 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 02:00:09,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128819726] [2020-10-16 02:00:09,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:09,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:00:09,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701636361] [2020-10-16 02:00:09,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 02:00:09,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:09,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 02:00:09,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-16 02:00:09,140 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 307 [2020-10-16 02:00:09,141 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 25 transitions, 66 flow. Second operand 6 states. [2020-10-16 02:00:09,141 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:09,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 307 [2020-10-16 02:00:09,141 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:09,254 INFO L129 PetriNetUnfolder]: 4/46 cut-off events. [2020-10-16 02:00:09,254 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:00:09,254 INFO L80 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 46 events. 4/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs, 0 based on Foata normal form. 2/47 useless extension candidates. Maximal degree in co-relation 75. Up to 9 conditions per place. [2020-10-16 02:00:09,254 INFO L132 encePairwiseOnDemand]: 300/307 looper letters, 0 selfloop transitions, 10 changer transitions 0/28 dead transitions. [2020-10-16 02:00:09,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 28 transitions, 93 flow [2020-10-16 02:00:09,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 02:00:09,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 02:00:09,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1741 transitions. [2020-10-16 02:00:09,260 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8101442531409958 [2020-10-16 02:00:09,261 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1741 transitions. [2020-10-16 02:00:09,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1741 transitions. [2020-10-16 02:00:09,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:09,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1741 transitions. [2020-10-16 02:00:09,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 02:00:09,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 02:00:09,270 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 02:00:09,270 INFO L185 Difference]: Start difference. First operand has 31 places, 25 transitions, 66 flow. Second operand 7 states and 1741 transitions. [2020-10-16 02:00:09,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 28 transitions, 93 flow [2020-10-16 02:00:09,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 28 transitions, 84 flow, removed 4 selfloop flow, removed 2 redundant places. [2020-10-16 02:00:09,272 INFO L241 Difference]: Finished difference. Result has 35 places, 28 transitions, 84 flow [2020-10-16 02:00:09,272 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=84, PETRI_PLACES=35, PETRI_TRANSITIONS=28} [2020-10-16 02:00:09,272 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, -2 predicate places. [2020-10-16 02:00:09,272 INFO L481 AbstractCegarLoop]: Abstraction has has 35 places, 28 transitions, 84 flow [2020-10-16 02:00:09,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 02:00:09,272 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:09,273 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 02:00:09,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 02:00:09,273 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 02:00:09,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:09,273 INFO L82 PathProgramCache]: Analyzing trace with hash 2038101396, now seen corresponding path program 2 times [2020-10-16 02:00:09,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:09,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147496434] [2020-10-16 02:00:09,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:10,191 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 02:00:10,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147496434] [2020-10-16 02:00:10,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:10,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:10,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955853698] [2020-10-16 02:00:10,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:10,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:10,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:10,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:10,201 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:10,203 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 84 flow. Second operand 14 states. [2020-10-16 02:00:10,203 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:10,203 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:10,204 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:11,413 INFO L129 PetriNetUnfolder]: 65/186 cut-off events. [2020-10-16 02:00:11,414 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2020-10-16 02:00:11,415 INFO L80 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 186 events. 65/186 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 746 event pairs, 21 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 413. Up to 105 conditions per place. [2020-10-16 02:00:11,419 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 44 selfloop transitions, 17 changer transitions 0/66 dead transitions. [2020-10-16 02:00:11,419 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 66 transitions, 298 flow [2020-10-16 02:00:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 02:00:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 02:00:11,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2103 transitions. [2020-10-16 02:00:11,431 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48929734760353655 [2020-10-16 02:00:11,431 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2103 transitions. [2020-10-16 02:00:11,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2103 transitions. [2020-10-16 02:00:11,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:11,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2103 transitions. [2020-10-16 02:00:11,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 02:00:11,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 02:00:11,449 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 02:00:11,449 INFO L185 Difference]: Start difference. First operand has 35 places, 28 transitions, 84 flow. Second operand 14 states and 2103 transitions. [2020-10-16 02:00:11,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 66 transitions, 298 flow [2020-10-16 02:00:11,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 66 transitions, 295 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 02:00:11,457 INFO L241 Difference]: Finished difference. Result has 55 places, 42 transitions, 200 flow [2020-10-16 02:00:11,457 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=200, PETRI_PLACES=55, PETRI_TRANSITIONS=42} [2020-10-16 02:00:11,457 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 18 predicate places. [2020-10-16 02:00:11,458 INFO L481 AbstractCegarLoop]: Abstraction has has 55 places, 42 transitions, 200 flow [2020-10-16 02:00:11,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:11,458 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:11,458 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 02:00:11,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 02:00:11,459 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 02:00:11,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:11,459 INFO L82 PathProgramCache]: Analyzing trace with hash 230465618, now seen corresponding path program 3 times [2020-10-16 02:00:11,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:11,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119030324] [2020-10-16 02:00:11,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:12,307 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 02:00:12,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119030324] [2020-10-16 02:00:12,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:12,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:12,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022922292] [2020-10-16 02:00:12,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:12,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:12,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:12,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:12,312 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:12,313 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 42 transitions, 200 flow. Second operand 14 states. [2020-10-16 02:00:12,313 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:12,313 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:12,313 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:13,355 INFO L129 PetriNetUnfolder]: 76/225 cut-off events. [2020-10-16 02:00:13,356 INFO L130 PetriNetUnfolder]: For 127/127 co-relation queries the response was YES. [2020-10-16 02:00:13,357 INFO L80 FinitePrefix]: Finished finitePrefix Result has 667 conditions, 225 events. 76/225 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1006 event pairs, 37 based on Foata normal form. 0/221 useless extension candidates. Maximal degree in co-relation 653. Up to 139 conditions per place. [2020-10-16 02:00:13,358 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 50 selfloop transitions, 20 changer transitions 0/75 dead transitions. [2020-10-16 02:00:13,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 75 transitions, 460 flow [2020-10-16 02:00:13,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 02:00:13,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 02:00:13,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2101 transitions. [2020-10-16 02:00:13,366 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4888320148906468 [2020-10-16 02:00:13,366 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2101 transitions. [2020-10-16 02:00:13,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2101 transitions. [2020-10-16 02:00:13,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:13,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2101 transitions. [2020-10-16 02:00:13,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 02:00:13,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 02:00:13,378 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 02:00:13,378 INFO L185 Difference]: Start difference. First operand has 55 places, 42 transitions, 200 flow. Second operand 14 states and 2101 transitions. [2020-10-16 02:00:13,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 75 transitions, 460 flow [2020-10-16 02:00:13,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 75 transitions, 458 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:00:13,385 INFO L241 Difference]: Finished difference. Result has 75 places, 52 transitions, 333 flow [2020-10-16 02:00:13,385 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=333, PETRI_PLACES=75, PETRI_TRANSITIONS=52} [2020-10-16 02:00:13,385 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 38 predicate places. [2020-10-16 02:00:13,386 INFO L481 AbstractCegarLoop]: Abstraction has has 75 places, 52 transitions, 333 flow [2020-10-16 02:00:13,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:13,386 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:13,386 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 02:00:13,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 02:00:13,386 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 02:00:13,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:13,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1776967334, now seen corresponding path program 1 times [2020-10-16 02:00:13,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:13,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47401873] [2020-10-16 02:00:13,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:13,731 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 02:00:13,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47401873] [2020-10-16 02:00:13,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:13,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 02:00:13,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058966281] [2020-10-16 02:00:13,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 02:00:13,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:13,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 02:00:13,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-16 02:00:13,735 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 307 [2020-10-16 02:00:13,736 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 52 transitions, 333 flow. Second operand 9 states. [2020-10-16 02:00:13,736 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:13,736 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 307 [2020-10-16 02:00:13,736 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:14,142 INFO L129 PetriNetUnfolder]: 83/278 cut-off events. [2020-10-16 02:00:14,142 INFO L130 PetriNetUnfolder]: For 316/317 co-relation queries the response was YES. [2020-10-16 02:00:14,144 INFO L80 FinitePrefix]: Finished finitePrefix Result has 884 conditions, 278 events. 83/278 cut-off events. For 316/317 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1440 event pairs, 7 based on Foata normal form. 3/277 useless extension candidates. Maximal degree in co-relation 861. Up to 85 conditions per place. [2020-10-16 02:00:14,145 INFO L132 encePairwiseOnDemand]: 299/307 looper letters, 43 selfloop transitions, 16 changer transitions 12/81 dead transitions. [2020-10-16 02:00:14,146 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 81 transitions, 621 flow [2020-10-16 02:00:14,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 02:00:14,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-16 02:00:14,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1318 transitions. [2020-10-16 02:00:14,154 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5366449511400652 [2020-10-16 02:00:14,154 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1318 transitions. [2020-10-16 02:00:14,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1318 transitions. [2020-10-16 02:00:14,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:14,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1318 transitions. [2020-10-16 02:00:14,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-16 02:00:14,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-16 02:00:14,166 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-16 02:00:14,167 INFO L185 Difference]: Start difference. First operand has 75 places, 52 transitions, 333 flow. Second operand 8 states and 1318 transitions. [2020-10-16 02:00:14,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 81 transitions, 621 flow [2020-10-16 02:00:14,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 81 transitions, 594 flow, removed 4 selfloop flow, removed 3 redundant places. [2020-10-16 02:00:14,176 INFO L241 Difference]: Finished difference. Result has 80 places, 45 transitions, 305 flow [2020-10-16 02:00:14,177 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=305, PETRI_PLACES=80, PETRI_TRANSITIONS=45} [2020-10-16 02:00:14,177 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 43 predicate places. [2020-10-16 02:00:14,177 INFO L481 AbstractCegarLoop]: Abstraction has has 80 places, 45 transitions, 305 flow [2020-10-16 02:00:14,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 02:00:14,178 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:14,178 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 02:00:14,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 02:00:14,178 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 02:00:14,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:14,179 INFO L82 PathProgramCache]: Analyzing trace with hash 653015518, now seen corresponding path program 4 times [2020-10-16 02:00:14,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:14,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713100171] [2020-10-16 02:00:14,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:15,018 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 02:00:15,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713100171] [2020-10-16 02:00:15,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:15,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:15,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33760453] [2020-10-16 02:00:15,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:15,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:15,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:15,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:15,023 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:15,024 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 45 transitions, 305 flow. Second operand 14 states. [2020-10-16 02:00:15,024 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:15,024 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:15,025 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:16,187 INFO L129 PetriNetUnfolder]: 96/285 cut-off events. [2020-10-16 02:00:16,187 INFO L130 PetriNetUnfolder]: For 579/582 co-relation queries the response was YES. [2020-10-16 02:00:16,189 INFO L80 FinitePrefix]: Finished finitePrefix Result has 998 conditions, 285 events. 96/285 cut-off events. For 579/582 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1388 event pairs, 31 based on Foata normal form. 1/279 useless extension candidates. Maximal degree in co-relation 972. Up to 144 conditions per place. [2020-10-16 02:00:16,191 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 51 selfloop transitions, 18 changer transitions 16/90 dead transitions. [2020-10-16 02:00:16,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 90 transitions, 718 flow [2020-10-16 02:00:16,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:16,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:16,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1967 transitions. [2020-10-16 02:00:16,198 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4928589325983463 [2020-10-16 02:00:16,198 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1967 transitions. [2020-10-16 02:00:16,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1967 transitions. [2020-10-16 02:00:16,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:16,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1967 transitions. [2020-10-16 02:00:16,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:16,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:16,209 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:16,209 INFO L185 Difference]: Start difference. First operand has 80 places, 45 transitions, 305 flow. Second operand 13 states and 1967 transitions. [2020-10-16 02:00:16,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 90 transitions, 718 flow [2020-10-16 02:00:16,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 90 transitions, 598 flow, removed 49 selfloop flow, removed 13 redundant places. [2020-10-16 02:00:16,216 INFO L241 Difference]: Finished difference. Result has 73 places, 51 transitions, 334 flow [2020-10-16 02:00:16,216 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=334, PETRI_PLACES=73, PETRI_TRANSITIONS=51} [2020-10-16 02:00:16,216 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 36 predicate places. [2020-10-16 02:00:16,216 INFO L481 AbstractCegarLoop]: Abstraction has has 73 places, 51 transitions, 334 flow [2020-10-16 02:00:16,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:16,216 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:16,217 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 02:00:16,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 02:00:16,219 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 02:00:16,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:16,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1950805024, now seen corresponding path program 5 times [2020-10-16 02:00:16,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:16,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896375291] [2020-10-16 02:00:16,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:16,948 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 02:00:16,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896375291] [2020-10-16 02:00:16,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:16,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:16,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140844915] [2020-10-16 02:00:16,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:16,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:16,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:16,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:16,954 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:16,955 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 51 transitions, 334 flow. Second operand 14 states. [2020-10-16 02:00:16,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:16,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:16,956 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:18,080 INFO L129 PetriNetUnfolder]: 110/325 cut-off events. [2020-10-16 02:00:18,081 INFO L130 PetriNetUnfolder]: For 567/570 co-relation queries the response was YES. [2020-10-16 02:00:18,088 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1163 conditions, 325 events. 110/325 cut-off events. For 567/570 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1714 event pairs, 37 based on Foata normal form. 1/318 useless extension candidates. Maximal degree in co-relation 1141. Up to 203 conditions per place. [2020-10-16 02:00:18,091 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 52 selfloop transitions, 18 changer transitions 17/92 dead transitions. [2020-10-16 02:00:18,091 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 92 transitions, 719 flow [2020-10-16 02:00:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:18,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:18,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1964 transitions. [2020-10-16 02:00:18,098 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.49210724129290906 [2020-10-16 02:00:18,098 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1964 transitions. [2020-10-16 02:00:18,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1964 transitions. [2020-10-16 02:00:18,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:18,099 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1964 transitions. [2020-10-16 02:00:18,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:18,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:18,108 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:18,108 INFO L185 Difference]: Start difference. First operand has 73 places, 51 transitions, 334 flow. Second operand 13 states and 1964 transitions. [2020-10-16 02:00:18,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 92 transitions, 719 flow [2020-10-16 02:00:18,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 92 transitions, 679 flow, removed 9 selfloop flow, removed 8 redundant places. [2020-10-16 02:00:18,114 INFO L241 Difference]: Finished difference. Result has 80 places, 57 transitions, 407 flow [2020-10-16 02:00:18,115 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=407, PETRI_PLACES=80, PETRI_TRANSITIONS=57} [2020-10-16 02:00:18,115 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 43 predicate places. [2020-10-16 02:00:18,115 INFO L481 AbstractCegarLoop]: Abstraction has has 80 places, 57 transitions, 407 flow [2020-10-16 02:00:18,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:18,115 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:18,116 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 02:00:18,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 02:00:18,116 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 02:00:18,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:18,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1106918426, now seen corresponding path program 6 times [2020-10-16 02:00:18,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:18,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156822430] [2020-10-16 02:00:18,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:18,828 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 02:00:18,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156822430] [2020-10-16 02:00:18,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:18,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:18,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721246017] [2020-10-16 02:00:18,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:18,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:18,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:18,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:18,832 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:18,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 57 transitions, 407 flow. Second operand 14 states. [2020-10-16 02:00:18,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:18,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:18,834 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:19,864 INFO L129 PetriNetUnfolder]: 105/317 cut-off events. [2020-10-16 02:00:19,864 INFO L130 PetriNetUnfolder]: For 755/757 co-relation queries the response was YES. [2020-10-16 02:00:19,866 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1226 conditions, 317 events. 105/317 cut-off events. For 755/757 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1700 event pairs, 49 based on Foata normal form. 1/309 useless extension candidates. Maximal degree in co-relation 1200. Up to 223 conditions per place. [2020-10-16 02:00:19,868 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 45 selfloop transitions, 12 changer transitions 21/83 dead transitions. [2020-10-16 02:00:19,868 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 83 transitions, 705 flow [2020-10-16 02:00:19,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:19,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:19,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1955 transitions. [2020-10-16 02:00:19,876 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48985216737659737 [2020-10-16 02:00:19,876 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1955 transitions. [2020-10-16 02:00:19,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1955 transitions. [2020-10-16 02:00:19,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:19,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1955 transitions. [2020-10-16 02:00:19,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:19,885 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:19,886 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:19,886 INFO L185 Difference]: Start difference. First operand has 80 places, 57 transitions, 407 flow. Second operand 13 states and 1955 transitions. [2020-10-16 02:00:19,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 83 transitions, 705 flow [2020-10-16 02:00:19,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 83 transitions, 675 flow, removed 9 selfloop flow, removed 7 redundant places. [2020-10-16 02:00:19,891 INFO L241 Difference]: Finished difference. Result has 86 places, 54 transitions, 389 flow [2020-10-16 02:00:19,891 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=389, PETRI_PLACES=86, PETRI_TRANSITIONS=54} [2020-10-16 02:00:19,892 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 49 predicate places. [2020-10-16 02:00:19,892 INFO L481 AbstractCegarLoop]: Abstraction has has 86 places, 54 transitions, 389 flow [2020-10-16 02:00:19,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:19,892 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:19,892 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 02:00:19,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 02:00:19,893 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 02:00:19,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:19,893 INFO L82 PathProgramCache]: Analyzing trace with hash -735355314, now seen corresponding path program 7 times [2020-10-16 02:00:19,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:19,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069876445] [2020-10-16 02:00:19,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:20,581 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 02:00:20,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069876445] [2020-10-16 02:00:20,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:20,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:20,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353510644] [2020-10-16 02:00:20,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:20,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:20,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:20,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:20,586 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:20,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 54 transitions, 389 flow. Second operand 14 states. [2020-10-16 02:00:20,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:20,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:20,587 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:21,642 INFO L129 PetriNetUnfolder]: 114/340 cut-off events. [2020-10-16 02:00:21,642 INFO L130 PetriNetUnfolder]: For 809/812 co-relation queries the response was YES. [2020-10-16 02:00:21,645 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1316 conditions, 340 events. 114/340 cut-off events. For 809/812 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1831 event pairs, 50 based on Foata normal form. 1/332 useless extension candidates. Maximal degree in co-relation 1288. Up to 226 conditions per place. [2020-10-16 02:00:21,646 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 54 selfloop transitions, 16 changer transitions 16/91 dead transitions. [2020-10-16 02:00:21,646 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 91 transitions, 773 flow [2020-10-16 02:00:21,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1961 transitions. [2020-10-16 02:00:21,652 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.49135554998747183 [2020-10-16 02:00:21,653 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1961 transitions. [2020-10-16 02:00:21,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1961 transitions. [2020-10-16 02:00:21,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:21,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1961 transitions. [2020-10-16 02:00:21,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:21,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:21,662 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:21,662 INFO L185 Difference]: Start difference. First operand has 86 places, 54 transitions, 389 flow. Second operand 13 states and 1961 transitions. [2020-10-16 02:00:21,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 91 transitions, 773 flow [2020-10-16 02:00:21,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 91 transitions, 701 flow, removed 21 selfloop flow, removed 14 redundant places. [2020-10-16 02:00:21,668 INFO L241 Difference]: Finished difference. Result has 83 places, 58 transitions, 423 flow [2020-10-16 02:00:21,668 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=423, PETRI_PLACES=83, PETRI_TRANSITIONS=58} [2020-10-16 02:00:21,668 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 46 predicate places. [2020-10-16 02:00:21,669 INFO L481 AbstractCegarLoop]: Abstraction has has 83 places, 58 transitions, 423 flow [2020-10-16 02:00:21,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:21,669 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:21,669 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 02:00:21,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 02:00:21,669 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 02:00:21,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:21,670 INFO L82 PathProgramCache]: Analyzing trace with hash 467382556, now seen corresponding path program 8 times [2020-10-16 02:00:21,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:21,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916011105] [2020-10-16 02:00:21,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:22,340 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 02:00:22,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916011105] [2020-10-16 02:00:22,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:22,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:22,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189384549] [2020-10-16 02:00:22,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:22,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:22,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:22,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:22,343 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:22,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 58 transitions, 423 flow. Second operand 14 states. [2020-10-16 02:00:22,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:22,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:22,344 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:23,435 INFO L129 PetriNetUnfolder]: 113/346 cut-off events. [2020-10-16 02:00:23,436 INFO L130 PetriNetUnfolder]: For 938/941 co-relation queries the response was YES. [2020-10-16 02:00:23,437 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1361 conditions, 346 events. 113/346 cut-off events. For 938/941 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1908 event pairs, 56 based on Foata normal form. 1/337 useless extension candidates. Maximal degree in co-relation 1334. Up to 262 conditions per place. [2020-10-16 02:00:23,438 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 53 selfloop transitions, 12 changer transitions 21/91 dead transitions. [2020-10-16 02:00:23,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 91 transitions, 803 flow [2020-10-16 02:00:23,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:23,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:23,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1953 transitions. [2020-10-16 02:00:23,442 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4893510398396392 [2020-10-16 02:00:23,442 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1953 transitions. [2020-10-16 02:00:23,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1953 transitions. [2020-10-16 02:00:23,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:23,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1953 transitions. [2020-10-16 02:00:23,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:23,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:23,449 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:23,450 INFO L185 Difference]: Start difference. First operand has 83 places, 58 transitions, 423 flow. Second operand 13 states and 1953 transitions. [2020-10-16 02:00:23,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 91 transitions, 803 flow [2020-10-16 02:00:23,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 91 transitions, 752 flow, removed 13 selfloop flow, removed 9 redundant places. [2020-10-16 02:00:23,456 INFO L241 Difference]: Finished difference. Result has 91 places, 64 transitions, 495 flow [2020-10-16 02:00:23,456 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=495, PETRI_PLACES=91, PETRI_TRANSITIONS=64} [2020-10-16 02:00:23,456 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 54 predicate places. [2020-10-16 02:00:23,456 INFO L481 AbstractCegarLoop]: Abstraction has has 91 places, 64 transitions, 495 flow [2020-10-16 02:00:23,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:23,457 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:23,457 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 02:00:23,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 02:00:23,457 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 02:00:23,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:23,457 INFO L82 PathProgramCache]: Analyzing trace with hash 2017566794, now seen corresponding path program 9 times [2020-10-16 02:00:23,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:23,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755795843] [2020-10-16 02:00:23,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:24,187 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 02:00:24,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755795843] [2020-10-16 02:00:24,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:24,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:24,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292713152] [2020-10-16 02:00:24,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:24,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:24,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:24,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:24,191 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:24,192 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 64 transitions, 495 flow. Second operand 14 states. [2020-10-16 02:00:24,192 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:24,192 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:24,192 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:25,207 INFO L129 PetriNetUnfolder]: 112/344 cut-off events. [2020-10-16 02:00:25,207 INFO L130 PetriNetUnfolder]: For 1114/1122 co-relation queries the response was YES. [2020-10-16 02:00:25,209 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1412 conditions, 344 events. 112/344 cut-off events. For 1114/1122 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1894 event pairs, 64 based on Foata normal form. 1/335 useless extension candidates. Maximal degree in co-relation 1379. Up to 266 conditions per place. [2020-10-16 02:00:25,211 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 54 selfloop transitions, 11 changer transitions 24/94 dead transitions. [2020-10-16 02:00:25,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 94 transitions, 888 flow [2020-10-16 02:00:25,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1952 transitions. [2020-10-16 02:00:25,217 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4891004760711601 [2020-10-16 02:00:25,217 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1952 transitions. [2020-10-16 02:00:25,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1952 transitions. [2020-10-16 02:00:25,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:25,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1952 transitions. [2020-10-16 02:00:25,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:25,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:25,228 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:25,229 INFO L185 Difference]: Start difference. First operand has 91 places, 64 transitions, 495 flow. Second operand 13 states and 1952 transitions. [2020-10-16 02:00:25,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 94 transitions, 888 flow [2020-10-16 02:00:25,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 94 transitions, 842 flow, removed 22 selfloop flow, removed 6 redundant places. [2020-10-16 02:00:25,237 INFO L241 Difference]: Finished difference. Result has 100 places, 67 transitions, 559 flow [2020-10-16 02:00:25,237 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=559, PETRI_PLACES=100, PETRI_TRANSITIONS=67} [2020-10-16 02:00:25,237 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 63 predicate places. [2020-10-16 02:00:25,237 INFO L481 AbstractCegarLoop]: Abstraction has has 100 places, 67 transitions, 559 flow [2020-10-16 02:00:25,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:25,237 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:25,238 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 02:00:25,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 02:00:25,238 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 02:00:25,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:25,238 INFO L82 PathProgramCache]: Analyzing trace with hash 96373258, now seen corresponding path program 10 times [2020-10-16 02:00:25,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:25,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450545507] [2020-10-16 02:00:25,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:26,016 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 02:00:26,016 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450545507] [2020-10-16 02:00:26,016 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:26,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:26,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875213948] [2020-10-16 02:00:26,017 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:26,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:26,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:26,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:26,020 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:26,021 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 67 transitions, 559 flow. Second operand 14 states. [2020-10-16 02:00:26,021 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:26,021 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:26,021 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:27,039 INFO L129 PetriNetUnfolder]: 110/340 cut-off events. [2020-10-16 02:00:27,039 INFO L130 PetriNetUnfolder]: For 1200/1202 co-relation queries the response was YES. [2020-10-16 02:00:27,041 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1424 conditions, 340 events. 110/340 cut-off events. For 1200/1202 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1845 event pairs, 52 based on Foata normal form. 1/332 useless extension candidates. Maximal degree in co-relation 1386. Up to 234 conditions per place. [2020-10-16 02:00:27,043 INFO L132 encePairwiseOnDemand]: 292/307 looper letters, 62 selfloop transitions, 18 changer transitions 17/102 dead transitions. [2020-10-16 02:00:27,043 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 102 transitions, 989 flow [2020-10-16 02:00:27,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:27,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:27,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1960 transitions. [2020-10-16 02:00:27,046 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.49110498621899273 [2020-10-16 02:00:27,047 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1960 transitions. [2020-10-16 02:00:27,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1960 transitions. [2020-10-16 02:00:27,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:27,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1960 transitions. [2020-10-16 02:00:27,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:27,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:27,056 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:27,056 INFO L185 Difference]: Start difference. First operand has 100 places, 67 transitions, 559 flow. Second operand 13 states and 1960 transitions. [2020-10-16 02:00:27,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 102 transitions, 989 flow [2020-10-16 02:00:27,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 102 transitions, 924 flow, removed 26 selfloop flow, removed 10 redundant places. [2020-10-16 02:00:27,065 INFO L241 Difference]: Finished difference. Result has 102 places, 72 transitions, 630 flow [2020-10-16 02:00:27,066 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=518, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=630, PETRI_PLACES=102, PETRI_TRANSITIONS=72} [2020-10-16 02:00:27,066 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 65 predicate places. [2020-10-16 02:00:27,066 INFO L481 AbstractCegarLoop]: Abstraction has has 102 places, 72 transitions, 630 flow [2020-10-16 02:00:27,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:27,066 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:27,067 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 02:00:27,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 02:00:27,067 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 02:00:27,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:27,068 INFO L82 PathProgramCache]: Analyzing trace with hash 888356494, now seen corresponding path program 11 times [2020-10-16 02:00:27,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:27,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325397068] [2020-10-16 02:00:27,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:27,814 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 02:00:27,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325397068] [2020-10-16 02:00:27,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:27,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:27,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973728161] [2020-10-16 02:00:27,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:27,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:27,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:27,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:27,818 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:27,819 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 72 transitions, 630 flow. Second operand 14 states. [2020-10-16 02:00:27,819 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:27,819 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:27,819 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:28,820 INFO L129 PetriNetUnfolder]: 98/306 cut-off events. [2020-10-16 02:00:28,820 INFO L130 PetriNetUnfolder]: For 1231/1236 co-relation queries the response was YES. [2020-10-16 02:00:28,822 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1336 conditions, 306 events. 98/306 cut-off events. For 1231/1236 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1631 event pairs, 56 based on Foata normal form. 2/298 useless extension candidates. Maximal degree in co-relation 1298. Up to 231 conditions per place. [2020-10-16 02:00:28,823 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 52 selfloop transitions, 12 changer transitions 21/90 dead transitions. [2020-10-16 02:00:28,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 90 transitions, 901 flow [2020-10-16 02:00:28,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:28,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1951 transitions. [2020-10-16 02:00:28,829 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48884991230268104 [2020-10-16 02:00:28,829 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1951 transitions. [2020-10-16 02:00:28,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1951 transitions. [2020-10-16 02:00:28,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:28,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1951 transitions. [2020-10-16 02:00:28,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:28,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:28,837 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:28,837 INFO L185 Difference]: Start difference. First operand has 102 places, 72 transitions, 630 flow. Second operand 13 states and 1951 transitions. [2020-10-16 02:00:28,837 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 90 transitions, 901 flow [2020-10-16 02:00:28,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 90 transitions, 811 flow, removed 21 selfloop flow, removed 9 redundant places. [2020-10-16 02:00:28,845 INFO L241 Difference]: Finished difference. Result has 105 places, 67 transitions, 541 flow [2020-10-16 02:00:28,846 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=546, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=541, PETRI_PLACES=105, PETRI_TRANSITIONS=67} [2020-10-16 02:00:28,846 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 68 predicate places. [2020-10-16 02:00:28,846 INFO L481 AbstractCegarLoop]: Abstraction has has 105 places, 67 transitions, 541 flow [2020-10-16 02:00:28,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:28,847 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:28,847 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 02:00:28,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-16 02:00:28,847 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 02:00:28,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:28,847 INFO L82 PathProgramCache]: Analyzing trace with hash -74832696, now seen corresponding path program 2 times [2020-10-16 02:00:28,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:28,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410325904] [2020-10-16 02:00:28,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:29,155 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 02:00:29,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410325904] [2020-10-16 02:00:29,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:29,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 02:00:29,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20936616] [2020-10-16 02:00:29,158 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 02:00:29,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:29,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 02:00:29,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-16 02:00:29,160 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 307 [2020-10-16 02:00:29,161 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 67 transitions, 541 flow. Second operand 9 states. [2020-10-16 02:00:29,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:29,162 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 307 [2020-10-16 02:00:29,162 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:29,526 INFO L129 PetriNetUnfolder]: 92/305 cut-off events. [2020-10-16 02:00:29,526 INFO L130 PetriNetUnfolder]: For 871/874 co-relation queries the response was YES. [2020-10-16 02:00:29,529 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1165 conditions, 305 events. 92/305 cut-off events. For 871/874 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1603 event pairs, 5 based on Foata normal form. 0/301 useless extension candidates. Maximal degree in co-relation 1128. Up to 140 conditions per place. [2020-10-16 02:00:29,531 INFO L132 encePairwiseOnDemand]: 300/307 looper letters, 62 selfloop transitions, 14 changer transitions 0/84 dead transitions. [2020-10-16 02:00:29,532 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 84 transitions, 780 flow [2020-10-16 02:00:29,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 02:00:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-16 02:00:29,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1317 transitions. [2020-10-16 02:00:29,535 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5362377850162866 [2020-10-16 02:00:29,535 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1317 transitions. [2020-10-16 02:00:29,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1317 transitions. [2020-10-16 02:00:29,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:29,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1317 transitions. [2020-10-16 02:00:29,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-16 02:00:29,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-16 02:00:29,540 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-16 02:00:29,541 INFO L185 Difference]: Start difference. First operand has 105 places, 67 transitions, 541 flow. Second operand 8 states and 1317 transitions. [2020-10-16 02:00:29,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 84 transitions, 780 flow [2020-10-16 02:00:29,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 84 transitions, 734 flow, removed 10 selfloop flow, removed 12 redundant places. [2020-10-16 02:00:29,555 INFO L241 Difference]: Finished difference. Result has 95 places, 69 transitions, 557 flow [2020-10-16 02:00:29,556 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=557, PETRI_PLACES=95, PETRI_TRANSITIONS=69} [2020-10-16 02:00:29,556 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 58 predicate places. [2020-10-16 02:00:29,556 INFO L481 AbstractCegarLoop]: Abstraction has has 95 places, 69 transitions, 557 flow [2020-10-16 02:00:29,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 02:00:29,556 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:29,557 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 02:00:29,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-16 02:00:29,557 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 02:00:29,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:29,557 INFO L82 PathProgramCache]: Analyzing trace with hash -2064052990, now seen corresponding path program 1 times [2020-10-16 02:00:29,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:29,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000420629] [2020-10-16 02:00:29,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:29,673 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 02:00:29,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000420629] [2020-10-16 02:00:29,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:29,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 02:00:29,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708203435] [2020-10-16 02:00:29,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 02:00:29,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:29,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 02:00:29,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-16 02:00:29,676 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 307 [2020-10-16 02:00:29,677 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 69 transitions, 557 flow. Second operand 8 states. [2020-10-16 02:00:29,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:29,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 307 [2020-10-16 02:00:29,678 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:29,992 INFO L129 PetriNetUnfolder]: 78/265 cut-off events. [2020-10-16 02:00:29,992 INFO L130 PetriNetUnfolder]: For 1143/1145 co-relation queries the response was YES. [2020-10-16 02:00:29,994 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1073 conditions, 265 events. 78/265 cut-off events. For 1143/1145 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1308 event pairs, 46 based on Foata normal form. 12/276 useless extension candidates. Maximal degree in co-relation 1039. Up to 202 conditions per place. [2020-10-16 02:00:29,997 INFO L132 encePairwiseOnDemand]: 300/307 looper letters, 61 selfloop transitions, 15 changer transitions 0/84 dead transitions. [2020-10-16 02:00:29,997 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 84 transitions, 804 flow [2020-10-16 02:00:29,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 02:00:29,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-16 02:00:30,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1445 transitions. [2020-10-16 02:00:30,001 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5883550488599348 [2020-10-16 02:00:30,001 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1445 transitions. [2020-10-16 02:00:30,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1445 transitions. [2020-10-16 02:00:30,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:30,002 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1445 transitions. [2020-10-16 02:00:30,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-16 02:00:30,006 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-16 02:00:30,006 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-16 02:00:30,006 INFO L185 Difference]: Start difference. First operand has 95 places, 69 transitions, 557 flow. Second operand 8 states and 1445 transitions. [2020-10-16 02:00:30,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 84 transitions, 804 flow [2020-10-16 02:00:30,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 84 transitions, 785 flow, removed 3 selfloop flow, removed 3 redundant places. [2020-10-16 02:00:30,017 INFO L241 Difference]: Finished difference. Result has 103 places, 74 transitions, 650 flow [2020-10-16 02:00:30,017 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=540, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=650, PETRI_PLACES=103, PETRI_TRANSITIONS=74} [2020-10-16 02:00:30,018 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 66 predicate places. [2020-10-16 02:00:30,018 INFO L481 AbstractCegarLoop]: Abstraction has has 103 places, 74 transitions, 650 flow [2020-10-16 02:00:30,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 02:00:30,018 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:30,018 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 02:00:30,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-16 02:00:30,018 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 02:00:30,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:30,019 INFO L82 PathProgramCache]: Analyzing trace with hash 448792210, now seen corresponding path program 12 times [2020-10-16 02:00:30,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:30,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854479931] [2020-10-16 02:00:30,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:30,722 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 02:00:30,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854479931] [2020-10-16 02:00:30,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:30,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:30,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132095752] [2020-10-16 02:00:30,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:30,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:30,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:30,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:30,725 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:30,726 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 74 transitions, 650 flow. Second operand 14 states. [2020-10-16 02:00:30,726 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:30,726 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:30,727 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:31,659 INFO L129 PetriNetUnfolder]: 70/262 cut-off events. [2020-10-16 02:00:31,659 INFO L130 PetriNetUnfolder]: For 1157/1157 co-relation queries the response was YES. [2020-10-16 02:00:31,661 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1151 conditions, 262 events. 70/262 cut-off events. For 1157/1157 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1360 event pairs, 32 based on Foata normal form. 1/258 useless extension candidates. Maximal degree in co-relation 1113. Up to 178 conditions per place. [2020-10-16 02:00:31,662 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 62 selfloop transitions, 17 changer transitions 10/94 dead transitions. [2020-10-16 02:00:31,662 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 94 transitions, 996 flow [2020-10-16 02:00:31,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 02:00:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 02:00:31,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2097 transitions. [2020-10-16 02:00:31,664 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4879013494648674 [2020-10-16 02:00:31,664 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2097 transitions. [2020-10-16 02:00:31,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2097 transitions. [2020-10-16 02:00:31,665 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:31,665 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2097 transitions. [2020-10-16 02:00:31,667 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 02:00:31,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 02:00:31,670 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 02:00:31,670 INFO L185 Difference]: Start difference. First operand has 103 places, 74 transitions, 650 flow. Second operand 14 states and 2097 transitions. [2020-10-16 02:00:31,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 94 transitions, 996 flow [2020-10-16 02:00:31,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 94 transitions, 913 flow, removed 35 selfloop flow, removed 3 redundant places. [2020-10-16 02:00:31,680 INFO L241 Difference]: Finished difference. Result has 120 places, 79 transitions, 715 flow [2020-10-16 02:00:31,681 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=604, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=715, PETRI_PLACES=120, PETRI_TRANSITIONS=79} [2020-10-16 02:00:31,681 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 83 predicate places. [2020-10-16 02:00:31,681 INFO L481 AbstractCegarLoop]: Abstraction has has 120 places, 79 transitions, 715 flow [2020-10-16 02:00:31,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:31,681 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:31,681 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 02:00:31,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-16 02:00:31,682 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 02:00:31,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:31,682 INFO L82 PathProgramCache]: Analyzing trace with hash -2019940422, now seen corresponding path program 13 times [2020-10-16 02:00:31,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:31,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340506910] [2020-10-16 02:00:31,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:32,398 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 02:00:32,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340506910] [2020-10-16 02:00:32,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:32,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:32,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840171782] [2020-10-16 02:00:32,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:32,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:32,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:32,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:32,401 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:32,402 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 79 transitions, 715 flow. Second operand 14 states. [2020-10-16 02:00:32,402 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:32,402 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:32,402 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:33,312 INFO L129 PetriNetUnfolder]: 68/262 cut-off events. [2020-10-16 02:00:33,312 INFO L130 PetriNetUnfolder]: For 1069/1071 co-relation queries the response was YES. [2020-10-16 02:00:33,313 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1197 conditions, 262 events. 68/262 cut-off events. For 1069/1071 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1374 event pairs, 37 based on Foata normal form. 3/260 useless extension candidates. Maximal degree in co-relation 1153. Up to 206 conditions per place. [2020-10-16 02:00:33,315 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 62 selfloop transitions, 12 changer transitions 13/92 dead transitions. [2020-10-16 02:00:33,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 92 transitions, 980 flow [2020-10-16 02:00:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:33,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:33,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1944 transitions. [2020-10-16 02:00:33,323 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4870959659233275 [2020-10-16 02:00:33,323 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1944 transitions. [2020-10-16 02:00:33,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1944 transitions. [2020-10-16 02:00:33,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:33,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1944 transitions. [2020-10-16 02:00:33,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:33,330 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:33,330 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:33,330 INFO L185 Difference]: Start difference. First operand has 120 places, 79 transitions, 715 flow. Second operand 13 states and 1944 transitions. [2020-10-16 02:00:33,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 92 transitions, 980 flow [2020-10-16 02:00:33,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 92 transitions, 891 flow, removed 26 selfloop flow, removed 11 redundant places. [2020-10-16 02:00:33,340 INFO L241 Difference]: Finished difference. Result has 123 places, 78 transitions, 664 flow [2020-10-16 02:00:33,340 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=647, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=664, PETRI_PLACES=123, PETRI_TRANSITIONS=78} [2020-10-16 02:00:33,340 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 86 predicate places. [2020-10-16 02:00:33,340 INFO L481 AbstractCegarLoop]: Abstraction has has 123 places, 78 transitions, 664 flow [2020-10-16 02:00:33,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:33,340 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:33,341 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 02:00:33,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-16 02:00:33,342 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 02:00:33,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:33,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1552238534, now seen corresponding path program 14 times [2020-10-16 02:00:33,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:33,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562047752] [2020-10-16 02:00:33,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:33,993 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 02:00:33,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562047752] [2020-10-16 02:00:33,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:33,993 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:33,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257774164] [2020-10-16 02:00:33,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:33,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:33,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:33,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:33,997 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:33,998 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 78 transitions, 664 flow. Second operand 14 states. [2020-10-16 02:00:33,998 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:33,998 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:33,998 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:34,902 INFO L129 PetriNetUnfolder]: 66/245 cut-off events. [2020-10-16 02:00:34,902 INFO L130 PetriNetUnfolder]: For 834/835 co-relation queries the response was YES. [2020-10-16 02:00:34,903 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1074 conditions, 245 events. 66/245 cut-off events. For 834/835 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1249 event pairs, 37 based on Foata normal form. 2/241 useless extension candidates. Maximal degree in co-relation 1031. Up to 193 conditions per place. [2020-10-16 02:00:34,904 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 59 selfloop transitions, 12 changer transitions 12/88 dead transitions. [2020-10-16 02:00:34,904 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 88 transitions, 903 flow [2020-10-16 02:00:34,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 02:00:34,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 02:00:34,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2089 transitions. [2020-10-16 02:00:34,907 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48604001861330853 [2020-10-16 02:00:34,907 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2089 transitions. [2020-10-16 02:00:34,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2089 transitions. [2020-10-16 02:00:34,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:34,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2089 transitions. [2020-10-16 02:00:34,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 02:00:34,913 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 02:00:34,913 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 02:00:34,913 INFO L185 Difference]: Start difference. First operand has 123 places, 78 transitions, 664 flow. Second operand 14 states and 2089 transitions. [2020-10-16 02:00:34,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 88 transitions, 903 flow [2020-10-16 02:00:34,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 88 transitions, 861 flow, removed 12 selfloop flow, removed 8 redundant places. [2020-10-16 02:00:34,922 INFO L241 Difference]: Finished difference. Result has 125 places, 75 transitions, 633 flow [2020-10-16 02:00:34,922 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=633, PETRI_PLACES=125, PETRI_TRANSITIONS=75} [2020-10-16 02:00:34,922 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 88 predicate places. [2020-10-16 02:00:34,922 INFO L481 AbstractCegarLoop]: Abstraction has has 125 places, 75 transitions, 633 flow [2020-10-16 02:00:34,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:34,922 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:34,923 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 02:00:34,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-16 02:00:34,923 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 02:00:34,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:34,923 INFO L82 PathProgramCache]: Analyzing trace with hash -74832690, now seen corresponding path program 15 times [2020-10-16 02:00:34,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:34,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638538745] [2020-10-16 02:00:34,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:35,546 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 02:00:35,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638538745] [2020-10-16 02:00:35,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:35,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:35,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797370142] [2020-10-16 02:00:35,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:35,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:35,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:35,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:35,549 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:35,550 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 75 transitions, 633 flow. Second operand 14 states. [2020-10-16 02:00:35,550 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:35,550 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:35,550 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:36,425 INFO L129 PetriNetUnfolder]: 65/230 cut-off events. [2020-10-16 02:00:36,425 INFO L130 PetriNetUnfolder]: For 734/735 co-relation queries the response was YES. [2020-10-16 02:00:36,427 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1005 conditions, 230 events. 65/230 cut-off events. For 734/735 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1132 event pairs, 37 based on Foata normal form. 1/225 useless extension candidates. Maximal degree in co-relation 963. Up to 186 conditions per place. [2020-10-16 02:00:36,428 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 56 selfloop transitions, 8 changer transitions 14/83 dead transitions. [2020-10-16 02:00:36,428 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 83 transitions, 831 flow [2020-10-16 02:00:36,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:36,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:36,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1941 transitions. [2020-10-16 02:00:36,432 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48634427461789026 [2020-10-16 02:00:36,432 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1941 transitions. [2020-10-16 02:00:36,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1941 transitions. [2020-10-16 02:00:36,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:36,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1941 transitions. [2020-10-16 02:00:36,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:36,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:36,438 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:36,438 INFO L185 Difference]: Start difference. First operand has 125 places, 75 transitions, 633 flow. Second operand 13 states and 1941 transitions. [2020-10-16 02:00:36,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 83 transitions, 831 flow [2020-10-16 02:00:36,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 83 transitions, 785 flow, removed 6 selfloop flow, removed 12 redundant places. [2020-10-16 02:00:36,445 INFO L241 Difference]: Finished difference. Result has 122 places, 68 transitions, 542 flow [2020-10-16 02:00:36,445 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=542, PETRI_PLACES=122, PETRI_TRANSITIONS=68} [2020-10-16 02:00:36,445 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 85 predicate places. [2020-10-16 02:00:36,445 INFO L481 AbstractCegarLoop]: Abstraction has has 122 places, 68 transitions, 542 flow [2020-10-16 02:00:36,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:36,445 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:36,445 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 02:00:36,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-16 02:00:36,446 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 02:00:36,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:36,446 INFO L82 PathProgramCache]: Analyzing trace with hash 391728868, now seen corresponding path program 16 times [2020-10-16 02:00:36,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:36,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493083589] [2020-10-16 02:00:36,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:37,130 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 02:00:37,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493083589] [2020-10-16 02:00:37,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:37,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:37,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595237973] [2020-10-16 02:00:37,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:37,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:37,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:37,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:37,133 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:37,134 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 68 transitions, 542 flow. Second operand 14 states. [2020-10-16 02:00:37,134 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:37,134 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:37,134 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:38,176 INFO L129 PetriNetUnfolder]: 69/235 cut-off events. [2020-10-16 02:00:38,176 INFO L130 PetriNetUnfolder]: For 648/648 co-relation queries the response was YES. [2020-10-16 02:00:38,177 INFO L80 FinitePrefix]: Finished finitePrefix Result has 980 conditions, 235 events. 69/235 cut-off events. For 648/648 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1136 event pairs, 15 based on Foata normal form. 0/230 useless extension candidates. Maximal degree in co-relation 938. Up to 105 conditions per place. [2020-10-16 02:00:38,179 INFO L132 encePairwiseOnDemand]: 292/307 looper letters, 58 selfloop transitions, 29 changer transitions 2/94 dead transitions. [2020-10-16 02:00:38,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 94 transitions, 835 flow [2020-10-16 02:00:38,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 02:00:38,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 02:00:38,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2106 transitions. [2020-10-16 02:00:38,182 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4899953466728711 [2020-10-16 02:00:38,182 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2106 transitions. [2020-10-16 02:00:38,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2106 transitions. [2020-10-16 02:00:38,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:38,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2106 transitions. [2020-10-16 02:00:38,186 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 02:00:38,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 02:00:38,188 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 02:00:38,188 INFO L185 Difference]: Start difference. First operand has 122 places, 68 transitions, 542 flow. Second operand 14 states and 2106 transitions. [2020-10-16 02:00:38,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 94 transitions, 835 flow [2020-10-16 02:00:38,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 94 transitions, 765 flow, removed 12 selfloop flow, removed 16 redundant places. [2020-10-16 02:00:38,195 INFO L241 Difference]: Finished difference. Result has 109 places, 73 transitions, 588 flow [2020-10-16 02:00:38,195 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=588, PETRI_PLACES=109, PETRI_TRANSITIONS=73} [2020-10-16 02:00:38,196 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 72 predicate places. [2020-10-16 02:00:38,196 INFO L481 AbstractCegarLoop]: Abstraction has has 109 places, 73 transitions, 588 flow [2020-10-16 02:00:38,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:38,196 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:38,196 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 02:00:38,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-16 02:00:38,196 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 02:00:38,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:38,197 INFO L82 PathProgramCache]: Analyzing trace with hash -884277258, now seen corresponding path program 17 times [2020-10-16 02:00:38,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:38,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368538834] [2020-10-16 02:00:38,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:38,859 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 02:00:38,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368538834] [2020-10-16 02:00:38,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:38,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:38,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819510755] [2020-10-16 02:00:38,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:38,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:38,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:38,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:38,862 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:38,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 73 transitions, 588 flow. Second operand 14 states. [2020-10-16 02:00:38,863 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:38,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:38,864 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:39,979 INFO L129 PetriNetUnfolder]: 75/264 cut-off events. [2020-10-16 02:00:39,980 INFO L130 PetriNetUnfolder]: For 909/909 co-relation queries the response was YES. [2020-10-16 02:00:39,980 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1098 conditions, 264 events. 75/264 cut-off events. For 909/909 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1356 event pairs, 18 based on Foata normal form. 0/260 useless extension candidates. Maximal degree in co-relation 1061. Up to 124 conditions per place. [2020-10-16 02:00:39,982 INFO L132 encePairwiseOnDemand]: 291/307 looper letters, 63 selfloop transitions, 40 changer transitions 0/108 dead transitions. [2020-10-16 02:00:39,982 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 108 transitions, 1015 flow [2020-10-16 02:00:39,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-16 02:00:39,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-16 02:00:39,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2405 transitions. [2020-10-16 02:00:39,986 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48961726384364823 [2020-10-16 02:00:39,986 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2405 transitions. [2020-10-16 02:00:39,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2405 transitions. [2020-10-16 02:00:39,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:39,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2405 transitions. [2020-10-16 02:00:39,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2020-10-16 02:00:39,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 17 states. [2020-10-16 02:00:39,992 INFO L81 ComplementDD]: Finished complementDD. Result 17 states. [2020-10-16 02:00:39,993 INFO L185 Difference]: Start difference. First operand has 109 places, 73 transitions, 588 flow. Second operand 16 states and 2405 transitions. [2020-10-16 02:00:39,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 108 transitions, 1015 flow [2020-10-16 02:00:39,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 108 transitions, 930 flow, removed 16 selfloop flow, removed 8 redundant places. [2020-10-16 02:00:40,000 INFO L241 Difference]: Finished difference. Result has 121 places, 89 transitions, 768 flow [2020-10-16 02:00:40,001 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=527, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=768, PETRI_PLACES=121, PETRI_TRANSITIONS=89} [2020-10-16 02:00:40,001 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 84 predicate places. [2020-10-16 02:00:40,001 INFO L481 AbstractCegarLoop]: Abstraction has has 121 places, 89 transitions, 768 flow [2020-10-16 02:00:40,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:40,001 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:40,001 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 02:00:40,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-16 02:00:40,002 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 02:00:40,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:40,002 INFO L82 PathProgramCache]: Analyzing trace with hash 569534550, now seen corresponding path program 3 times [2020-10-16 02:00:40,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:40,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731444955] [2020-10-16 02:00:40,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:40,247 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 02:00:40,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731444955] [2020-10-16 02:00:40,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:40,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 02:00:40,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628229751] [2020-10-16 02:00:40,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 02:00:40,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:40,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 02:00:40,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-16 02:00:40,250 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 307 [2020-10-16 02:00:40,251 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 89 transitions, 768 flow. Second operand 9 states. [2020-10-16 02:00:40,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:40,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 307 [2020-10-16 02:00:40,251 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:40,594 INFO L129 PetriNetUnfolder]: 101/375 cut-off events. [2020-10-16 02:00:40,594 INFO L130 PetriNetUnfolder]: For 1425/1425 co-relation queries the response was YES. [2020-10-16 02:00:40,596 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1628 conditions, 375 events. 101/375 cut-off events. For 1425/1425 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2322 event pairs, 20 based on Foata normal form. 2/376 useless extension candidates. Maximal degree in co-relation 1586. Up to 113 conditions per place. [2020-10-16 02:00:40,598 INFO L132 encePairwiseOnDemand]: 297/307 looper letters, 76 selfloop transitions, 31 changer transitions 22/139 dead transitions. [2020-10-16 02:00:40,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 139 transitions, 1413 flow [2020-10-16 02:00:40,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 02:00:40,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-16 02:00:40,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1317 transitions. [2020-10-16 02:00:40,601 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5362377850162866 [2020-10-16 02:00:40,601 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1317 transitions. [2020-10-16 02:00:40,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1317 transitions. [2020-10-16 02:00:40,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:40,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1317 transitions. [2020-10-16 02:00:40,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-16 02:00:40,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-16 02:00:40,605 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-16 02:00:40,605 INFO L185 Difference]: Start difference. First operand has 121 places, 89 transitions, 768 flow. Second operand 8 states and 1317 transitions. [2020-10-16 02:00:40,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 139 transitions, 1413 flow [2020-10-16 02:00:40,615 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 139 transitions, 1329 flow, removed 22 selfloop flow, removed 6 redundant places. [2020-10-16 02:00:40,617 INFO L241 Difference]: Finished difference. Result has 123 places, 94 transitions, 844 flow [2020-10-16 02:00:40,618 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=844, PETRI_PLACES=123, PETRI_TRANSITIONS=94} [2020-10-16 02:00:40,618 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 86 predicate places. [2020-10-16 02:00:40,618 INFO L481 AbstractCegarLoop]: Abstraction has has 123 places, 94 transitions, 844 flow [2020-10-16 02:00:40,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 02:00:40,618 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:40,618 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 02:00:40,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-16 02:00:40,619 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 02:00:40,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:40,619 INFO L82 PathProgramCache]: Analyzing trace with hash 882723274, now seen corresponding path program 4 times [2020-10-16 02:00:40,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:40,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91552172] [2020-10-16 02:00:40,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:40,850 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 02:00:40,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91552172] [2020-10-16 02:00:40,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:40,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 02:00:40,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704364572] [2020-10-16 02:00:40,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 02:00:40,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:40,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 02:00:40,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-16 02:00:40,853 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 307 [2020-10-16 02:00:40,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 94 transitions, 844 flow. Second operand 9 states. [2020-10-16 02:00:40,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:40,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 307 [2020-10-16 02:00:40,854 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:41,197 INFO L129 PetriNetUnfolder]: 85/321 cut-off events. [2020-10-16 02:00:41,197 INFO L130 PetriNetUnfolder]: For 1389/1389 co-relation queries the response was YES. [2020-10-16 02:00:41,198 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1488 conditions, 321 events. 85/321 cut-off events. For 1389/1389 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1853 event pairs, 16 based on Foata normal form. 1/321 useless extension candidates. Maximal degree in co-relation 1444. Up to 181 conditions per place. [2020-10-16 02:00:41,199 INFO L132 encePairwiseOnDemand]: 299/307 looper letters, 48 selfloop transitions, 29 changer transitions 20/107 dead transitions. [2020-10-16 02:00:41,200 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 107 transitions, 1141 flow [2020-10-16 02:00:41,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 02:00:41,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-16 02:00:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1312 transitions. [2020-10-16 02:00:41,201 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5342019543973942 [2020-10-16 02:00:41,201 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1312 transitions. [2020-10-16 02:00:41,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1312 transitions. [2020-10-16 02:00:41,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:41,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1312 transitions. [2020-10-16 02:00:41,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-16 02:00:41,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-16 02:00:41,205 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-16 02:00:41,205 INFO L185 Difference]: Start difference. First operand has 123 places, 94 transitions, 844 flow. Second operand 8 states and 1312 transitions. [2020-10-16 02:00:41,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 107 transitions, 1141 flow [2020-10-16 02:00:41,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 107 transitions, 1101 flow, removed 11 selfloop flow, removed 4 redundant places. [2020-10-16 02:00:41,217 INFO L241 Difference]: Finished difference. Result has 122 places, 80 transitions, 745 flow [2020-10-16 02:00:41,218 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=745, PETRI_PLACES=122, PETRI_TRANSITIONS=80} [2020-10-16 02:00:41,218 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 85 predicate places. [2020-10-16 02:00:41,218 INFO L481 AbstractCegarLoop]: Abstraction has has 122 places, 80 transitions, 745 flow [2020-10-16 02:00:41,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 02:00:41,218 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:41,218 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 02:00:41,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-16 02:00:41,219 INFO L429 AbstractCegarLoop]: === Iteration 27 === [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 02:00:41,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:41,219 INFO L82 PathProgramCache]: Analyzing trace with hash 353930254, now seen corresponding path program 18 times [2020-10-16 02:00:41,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:41,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452300959] [2020-10-16 02:00:41,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:41,839 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 02:00:41,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452300959] [2020-10-16 02:00:41,840 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:41,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:41,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75460963] [2020-10-16 02:00:41,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:41,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:41,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:41,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:41,843 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:41,844 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 80 transitions, 745 flow. Second operand 14 states. [2020-10-16 02:00:41,844 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:41,844 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:41,844 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:42,819 INFO L129 PetriNetUnfolder]: 79/280 cut-off events. [2020-10-16 02:00:42,820 INFO L130 PetriNetUnfolder]: For 1421/1427 co-relation queries the response was YES. [2020-10-16 02:00:42,821 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1353 conditions, 280 events. 79/280 cut-off events. For 1421/1427 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1465 event pairs, 28 based on Foata normal form. 0/278 useless extension candidates. Maximal degree in co-relation 1310. Up to 199 conditions per place. [2020-10-16 02:00:42,823 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 68 selfloop transitions, 19 changer transitions 1/93 dead transitions. [2020-10-16 02:00:42,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 93 transitions, 1019 flow [2020-10-16 02:00:42,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 02:00:42,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 02:00:42,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2093 transitions. [2020-10-16 02:00:42,825 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48697068403908794 [2020-10-16 02:00:42,826 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2093 transitions. [2020-10-16 02:00:42,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2093 transitions. [2020-10-16 02:00:42,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:42,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2093 transitions. [2020-10-16 02:00:42,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 02:00:42,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 02:00:42,830 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 02:00:42,830 INFO L185 Difference]: Start difference. First operand has 122 places, 80 transitions, 745 flow. Second operand 14 states and 2093 transitions. [2020-10-16 02:00:42,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 93 transitions, 1019 flow [2020-10-16 02:00:42,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 93 transitions, 923 flow, removed 26 selfloop flow, removed 11 redundant places. [2020-10-16 02:00:42,838 INFO L241 Difference]: Finished difference. Result has 121 places, 83 transitions, 728 flow [2020-10-16 02:00:42,839 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=661, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=728, PETRI_PLACES=121, PETRI_TRANSITIONS=83} [2020-10-16 02:00:42,839 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 84 predicate places. [2020-10-16 02:00:42,839 INFO L481 AbstractCegarLoop]: Abstraction has has 121 places, 83 transitions, 728 flow [2020-10-16 02:00:42,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:42,839 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:42,839 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 02:00:42,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-16 02:00:42,840 INFO L429 AbstractCegarLoop]: === Iteration 28 === [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 02:00:42,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:42,840 INFO L82 PathProgramCache]: Analyzing trace with hash 825135182, now seen corresponding path program 19 times [2020-10-16 02:00:42,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:42,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009324703] [2020-10-16 02:00:42,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:43,535 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 02:00:43,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009324703] [2020-10-16 02:00:43,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:43,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:43,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30398551] [2020-10-16 02:00:43,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:43,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:43,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:43,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:43,538 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:43,539 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 83 transitions, 728 flow. Second operand 14 states. [2020-10-16 02:00:43,539 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:43,539 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:43,539 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:44,507 INFO L129 PetriNetUnfolder]: 83/303 cut-off events. [2020-10-16 02:00:44,507 INFO L130 PetriNetUnfolder]: For 1045/1045 co-relation queries the response was YES. [2020-10-16 02:00:44,509 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1351 conditions, 303 events. 83/303 cut-off events. For 1045/1045 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1639 event pairs, 31 based on Foata normal form. 0/301 useless extension candidates. Maximal degree in co-relation 1313. Up to 211 conditions per place. [2020-10-16 02:00:44,511 INFO L132 encePairwiseOnDemand]: 291/307 looper letters, 73 selfloop transitions, 24 changer transitions 0/102 dead transitions. [2020-10-16 02:00:44,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 102 transitions, 1059 flow [2020-10-16 02:00:44,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-16 02:00:44,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-16 02:00:44,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2243 transitions. [2020-10-16 02:00:44,514 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48707926167209553 [2020-10-16 02:00:44,514 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2243 transitions. [2020-10-16 02:00:44,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2243 transitions. [2020-10-16 02:00:44,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:44,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2243 transitions. [2020-10-16 02:00:44,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-10-16 02:00:44,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 16 states. [2020-10-16 02:00:44,520 INFO L81 ComplementDD]: Finished complementDD. Result 16 states. [2020-10-16 02:00:44,520 INFO L185 Difference]: Start difference. First operand has 121 places, 83 transitions, 728 flow. Second operand 15 states and 2243 transitions. [2020-10-16 02:00:44,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 102 transitions, 1059 flow [2020-10-16 02:00:44,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 102 transitions, 1012 flow, removed 4 selfloop flow, removed 10 redundant places. [2020-10-16 02:00:44,530 INFO L241 Difference]: Finished difference. Result has 129 places, 92 transitions, 852 flow [2020-10-16 02:00:44,530 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=687, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=852, PETRI_PLACES=129, PETRI_TRANSITIONS=92} [2020-10-16 02:00:44,530 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 92 predicate places. [2020-10-16 02:00:44,530 INFO L481 AbstractCegarLoop]: Abstraction has has 129 places, 92 transitions, 852 flow [2020-10-16 02:00:44,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:44,530 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:44,531 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 02:00:44,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-16 02:00:44,531 INFO L429 AbstractCegarLoop]: === Iteration 29 === [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 02:00:44,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:44,531 INFO L82 PathProgramCache]: Analyzing trace with hash -747816084, now seen corresponding path program 2 times [2020-10-16 02:00:44,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:44,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931277430] [2020-10-16 02:00:44,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:44,728 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 02:00:44,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931277430] [2020-10-16 02:00:44,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:44,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:44,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134172079] [2020-10-16 02:00:44,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-16 02:00:44,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:44,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-16 02:00:44,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-10-16 02:00:44,732 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 307 [2020-10-16 02:00:44,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 92 transitions, 852 flow. Second operand 13 states. [2020-10-16 02:00:44,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:44,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 307 [2020-10-16 02:00:44,733 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:45,433 INFO L129 PetriNetUnfolder]: 147/515 cut-off events. [2020-10-16 02:00:45,434 INFO L130 PetriNetUnfolder]: For 1951/1955 co-relation queries the response was YES. [2020-10-16 02:00:45,437 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2367 conditions, 515 events. 147/515 cut-off events. For 1951/1955 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3272 event pairs, 46 based on Foata normal form. 8/522 useless extension candidates. Maximal degree in co-relation 2325. Up to 159 conditions per place. [2020-10-16 02:00:45,439 INFO L132 encePairwiseOnDemand]: 295/307 looper letters, 112 selfloop transitions, 48 changer transitions 10/172 dead transitions. [2020-10-16 02:00:45,440 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 172 transitions, 1840 flow [2020-10-16 02:00:45,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 02:00:45,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 02:00:45,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2203 transitions. [2020-10-16 02:00:45,443 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5125639832480223 [2020-10-16 02:00:45,443 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2203 transitions. [2020-10-16 02:00:45,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2203 transitions. [2020-10-16 02:00:45,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:45,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2203 transitions. [2020-10-16 02:00:45,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 02:00:45,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 02:00:45,449 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 02:00:45,449 INFO L185 Difference]: Start difference. First operand has 129 places, 92 transitions, 852 flow. Second operand 14 states and 2203 transitions. [2020-10-16 02:00:45,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 172 transitions, 1840 flow [2020-10-16 02:00:45,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 172 transitions, 1721 flow, removed 17 selfloop flow, removed 10 redundant places. [2020-10-16 02:00:45,463 INFO L241 Difference]: Finished difference. Result has 138 places, 111 transitions, 1157 flow [2020-10-16 02:00:45,463 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=759, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1157, PETRI_PLACES=138, PETRI_TRANSITIONS=111} [2020-10-16 02:00:45,466 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 101 predicate places. [2020-10-16 02:00:45,466 INFO L481 AbstractCegarLoop]: Abstraction has has 138 places, 111 transitions, 1157 flow [2020-10-16 02:00:45,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-16 02:00:45,467 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:45,467 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 02:00:45,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-16 02:00:45,467 INFO L429 AbstractCegarLoop]: === Iteration 30 === [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 02:00:45,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:45,467 INFO L82 PathProgramCache]: Analyzing trace with hash -332618098, now seen corresponding path program 20 times [2020-10-16 02:00:45,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:45,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113302718] [2020-10-16 02:00:45,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:46,159 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 02:00:46,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113302718] [2020-10-16 02:00:46,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:46,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:46,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882934740] [2020-10-16 02:00:46,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:46,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:46,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:46,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:46,162 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:46,163 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 111 transitions, 1157 flow. Second operand 14 states. [2020-10-16 02:00:46,163 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:46,163 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:46,164 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:47,087 INFO L129 PetriNetUnfolder]: 112/456 cut-off events. [2020-10-16 02:00:47,087 INFO L130 PetriNetUnfolder]: For 2013/2015 co-relation queries the response was YES. [2020-10-16 02:00:47,090 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2219 conditions, 456 events. 112/456 cut-off events. For 2013/2015 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 2981 event pairs, 50 based on Foata normal form. 2/457 useless extension candidates. Maximal degree in co-relation 2172. Up to 347 conditions per place. [2020-10-16 02:00:47,092 INFO L132 encePairwiseOnDemand]: 292/307 looper letters, 90 selfloop transitions, 22 changer transitions 4/121 dead transitions. [2020-10-16 02:00:47,092 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 121 transitions, 1458 flow [2020-10-16 02:00:47,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 02:00:47,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 02:00:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2092 transitions. [2020-10-16 02:00:47,094 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4867380176826431 [2020-10-16 02:00:47,094 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2092 transitions. [2020-10-16 02:00:47,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2092 transitions. [2020-10-16 02:00:47,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:47,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2092 transitions. [2020-10-16 02:00:47,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 02:00:47,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 02:00:47,098 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 02:00:47,098 INFO L185 Difference]: Start difference. First operand has 138 places, 111 transitions, 1157 flow. Second operand 14 states and 2092 transitions. [2020-10-16 02:00:47,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 121 transitions, 1458 flow [2020-10-16 02:00:47,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 121 transitions, 1433 flow, removed 7 selfloop flow, removed 3 redundant places. [2020-10-16 02:00:47,110 INFO L241 Difference]: Finished difference. Result has 149 places, 112 transitions, 1199 flow [2020-10-16 02:00:47,110 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=1117, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1199, PETRI_PLACES=149, PETRI_TRANSITIONS=112} [2020-10-16 02:00:47,111 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 112 predicate places. [2020-10-16 02:00:47,111 INFO L481 AbstractCegarLoop]: Abstraction has has 149 places, 112 transitions, 1199 flow [2020-10-16 02:00:47,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:47,111 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:47,111 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 02:00:47,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-16 02:00:47,111 INFO L429 AbstractCegarLoop]: === Iteration 31 === [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 02:00:47,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:47,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1720652860, now seen corresponding path program 21 times [2020-10-16 02:00:47,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:47,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208740051] [2020-10-16 02:00:47,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:47,816 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 02:00:47,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208740051] [2020-10-16 02:00:47,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:47,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:47,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714716752] [2020-10-16 02:00:47,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:47,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:47,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:47,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:47,819 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:47,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 112 transitions, 1199 flow. Second operand 14 states. [2020-10-16 02:00:47,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:47,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:47,820 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:48,804 INFO L129 PetriNetUnfolder]: 122/520 cut-off events. [2020-10-16 02:00:48,805 INFO L130 PetriNetUnfolder]: For 2475/2477 co-relation queries the response was YES. [2020-10-16 02:00:48,808 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2549 conditions, 520 events. 122/520 cut-off events. For 2475/2477 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3652 event pairs, 40 based on Foata normal form. 5/524 useless extension candidates. Maximal degree in co-relation 2501. Up to 291 conditions per place. [2020-10-16 02:00:48,810 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 91 selfloop transitions, 25 changer transitions 22/143 dead transitions. [2020-10-16 02:00:48,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 143 transitions, 1725 flow [2020-10-16 02:00:48,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:48,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:48,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1952 transitions. [2020-10-16 02:00:48,818 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4891004760711601 [2020-10-16 02:00:48,818 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1952 transitions. [2020-10-16 02:00:48,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1952 transitions. [2020-10-16 02:00:48,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:48,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1952 transitions. [2020-10-16 02:00:48,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:48,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:48,823 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:48,823 INFO L185 Difference]: Start difference. First operand has 149 places, 112 transitions, 1199 flow. Second operand 13 states and 1952 transitions. [2020-10-16 02:00:48,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 143 transitions, 1725 flow [2020-10-16 02:00:48,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 143 transitions, 1658 flow, removed 14 selfloop flow, removed 12 redundant places. [2020-10-16 02:00:48,844 INFO L241 Difference]: Finished difference. Result has 152 places, 112 transitions, 1213 flow [2020-10-16 02:00:48,845 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=1132, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1213, PETRI_PLACES=152, PETRI_TRANSITIONS=112} [2020-10-16 02:00:48,845 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 115 predicate places. [2020-10-16 02:00:48,845 INFO L481 AbstractCegarLoop]: Abstraction has has 152 places, 112 transitions, 1213 flow [2020-10-16 02:00:48,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:48,845 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:48,845 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 02:00:48,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-16 02:00:48,846 INFO L429 AbstractCegarLoop]: === Iteration 32 === [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 02:00:48,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:48,846 INFO L82 PathProgramCache]: Analyzing trace with hash -745154566, now seen corresponding path program 22 times [2020-10-16 02:00:48,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:48,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645574958] [2020-10-16 02:00:48,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:49,488 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 02:00:49,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645574958] [2020-10-16 02:00:49,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:49,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:49,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938099205] [2020-10-16 02:00:49,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:49,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:49,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:49,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:49,491 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:49,492 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 112 transitions, 1213 flow. Second operand 14 states. [2020-10-16 02:00:49,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:49,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:49,492 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:50,402 INFO L129 PetriNetUnfolder]: 83/405 cut-off events. [2020-10-16 02:00:50,402 INFO L130 PetriNetUnfolder]: For 1918/1920 co-relation queries the response was YES. [2020-10-16 02:00:50,404 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2054 conditions, 405 events. 83/405 cut-off events. For 1918/1920 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2657 event pairs, 30 based on Foata normal form. 4/409 useless extension candidates. Maximal degree in co-relation 2004. Up to 220 conditions per place. [2020-10-16 02:00:50,406 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 71 selfloop transitions, 22 changer transitions 26/124 dead transitions. [2020-10-16 02:00:50,406 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 124 transitions, 1546 flow [2020-10-16 02:00:50,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:50,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:50,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1947 transitions. [2020-10-16 02:00:50,409 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4878476572287647 [2020-10-16 02:00:50,409 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1947 transitions. [2020-10-16 02:00:50,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1947 transitions. [2020-10-16 02:00:50,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:50,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1947 transitions. [2020-10-16 02:00:50,411 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:50,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:50,413 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:50,413 INFO L185 Difference]: Start difference. First operand has 152 places, 112 transitions, 1213 flow. Second operand 13 states and 1947 transitions. [2020-10-16 02:00:50,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 124 transitions, 1546 flow [2020-10-16 02:00:50,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 124 transitions, 1482 flow, removed 9 selfloop flow, removed 10 redundant places. [2020-10-16 02:00:50,423 INFO L241 Difference]: Finished difference. Result has 153 places, 93 transitions, 994 flow [2020-10-16 02:00:50,424 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=1137, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=994, PETRI_PLACES=153, PETRI_TRANSITIONS=93} [2020-10-16 02:00:50,424 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 116 predicate places. [2020-10-16 02:00:50,424 INFO L481 AbstractCegarLoop]: Abstraction has has 153 places, 93 transitions, 994 flow [2020-10-16 02:00:50,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:50,424 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:50,424 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 02:00:50,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-16 02:00:50,424 INFO L429 AbstractCegarLoop]: === Iteration 33 === [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 02:00:50,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:50,424 INFO L82 PathProgramCache]: Analyzing trace with hash -706175688, now seen corresponding path program 23 times [2020-10-16 02:00:50,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:50,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636486429] [2020-10-16 02:00:50,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:51,135 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 02:00:51,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636486429] [2020-10-16 02:00:51,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:51,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:51,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895634485] [2020-10-16 02:00:51,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:51,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:51,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:51,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:51,138 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:51,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 93 transitions, 994 flow. Second operand 14 states. [2020-10-16 02:00:51,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:51,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:51,139 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:52,239 INFO L129 PetriNetUnfolder]: 92/393 cut-off events. [2020-10-16 02:00:52,239 INFO L130 PetriNetUnfolder]: For 2264/2266 co-relation queries the response was YES. [2020-10-16 02:00:52,241 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2037 conditions, 393 events. 92/393 cut-off events. For 2264/2266 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2547 event pairs, 37 based on Foata normal form. 2/395 useless extension candidates. Maximal degree in co-relation 1987. Up to 277 conditions per place. [2020-10-16 02:00:52,244 INFO L132 encePairwiseOnDemand]: 291/307 looper letters, 83 selfloop transitions, 27 changer transitions 12/127 dead transitions. [2020-10-16 02:00:52,244 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 127 transitions, 1603 flow [2020-10-16 02:00:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-16 02:00:52,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-16 02:00:52,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2397 transitions. [2020-10-16 02:00:52,247 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4879885993485342 [2020-10-16 02:00:52,247 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2397 transitions. [2020-10-16 02:00:52,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2397 transitions. [2020-10-16 02:00:52,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:52,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2397 transitions. [2020-10-16 02:00:52,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2020-10-16 02:00:52,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 17 states. [2020-10-16 02:00:52,253 INFO L81 ComplementDD]: Finished complementDD. Result 17 states. [2020-10-16 02:00:52,253 INFO L185 Difference]: Start difference. First operand has 153 places, 93 transitions, 994 flow. Second operand 16 states and 2397 transitions. [2020-10-16 02:00:52,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 127 transitions, 1603 flow [2020-10-16 02:00:52,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 127 transitions, 1420 flow, removed 32 selfloop flow, removed 19 redundant places. [2020-10-16 02:00:52,270 INFO L241 Difference]: Finished difference. Result has 144 places, 107 transitions, 1098 flow [2020-10-16 02:00:52,270 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=869, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1098, PETRI_PLACES=144, PETRI_TRANSITIONS=107} [2020-10-16 02:00:52,270 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 107 predicate places. [2020-10-16 02:00:52,270 INFO L481 AbstractCegarLoop]: Abstraction has has 144 places, 107 transitions, 1098 flow [2020-10-16 02:00:52,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:52,271 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:52,271 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 02:00:52,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-16 02:00:52,271 INFO L429 AbstractCegarLoop]: === Iteration 34 === [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 02:00:52,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:52,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1312646182, now seen corresponding path program 24 times [2020-10-16 02:00:52,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:52,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009756682] [2020-10-16 02:00:52,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:52,945 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 02:00:52,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009756682] [2020-10-16 02:00:52,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:52,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:52,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581314924] [2020-10-16 02:00:52,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:52,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:52,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:52,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:52,948 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:52,949 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 107 transitions, 1098 flow. Second operand 14 states. [2020-10-16 02:00:52,949 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:52,949 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:52,949 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:53,958 INFO L129 PetriNetUnfolder]: 94/412 cut-off events. [2020-10-16 02:00:53,958 INFO L130 PetriNetUnfolder]: For 2402/2406 co-relation queries the response was YES. [2020-10-16 02:00:53,960 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2134 conditions, 412 events. 94/412 cut-off events. For 2402/2406 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 2744 event pairs, 39 based on Foata normal form. 3/414 useless extension candidates. Maximal degree in co-relation 2085. Up to 276 conditions per place. [2020-10-16 02:00:53,962 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 85 selfloop transitions, 22 changer transitions 20/132 dead transitions. [2020-10-16 02:00:53,962 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 132 transitions, 1618 flow [2020-10-16 02:00:53,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-16 02:00:53,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-16 02:00:53,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2243 transitions. [2020-10-16 02:00:53,966 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48707926167209553 [2020-10-16 02:00:53,966 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 2243 transitions. [2020-10-16 02:00:53,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 2243 transitions. [2020-10-16 02:00:53,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:53,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 2243 transitions. [2020-10-16 02:00:53,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-10-16 02:00:53,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 16 states. [2020-10-16 02:00:53,975 INFO L81 ComplementDD]: Finished complementDD. Result 16 states. [2020-10-16 02:00:53,975 INFO L185 Difference]: Start difference. First operand has 144 places, 107 transitions, 1098 flow. Second operand 15 states and 2243 transitions. [2020-10-16 02:00:53,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 132 transitions, 1618 flow [2020-10-16 02:00:53,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 132 transitions, 1537 flow, removed 32 selfloop flow, removed 8 redundant places. [2020-10-16 02:00:53,992 INFO L241 Difference]: Finished difference. Result has 152 places, 106 transitions, 1085 flow [2020-10-16 02:00:53,993 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=1023, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1085, PETRI_PLACES=152, PETRI_TRANSITIONS=106} [2020-10-16 02:00:53,993 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 115 predicate places. [2020-10-16 02:00:53,993 INFO L481 AbstractCegarLoop]: Abstraction has has 152 places, 106 transitions, 1085 flow [2020-10-16 02:00:53,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:53,993 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:53,993 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 02:00:53,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-16 02:00:53,994 INFO L429 AbstractCegarLoop]: === Iteration 35 === [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 02:00:53,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:53,994 INFO L82 PathProgramCache]: Analyzing trace with hash 857912820, now seen corresponding path program 25 times [2020-10-16 02:00:53,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:53,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852052862] [2020-10-16 02:00:53,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:54,651 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 02:00:54,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852052862] [2020-10-16 02:00:54,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:54,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:54,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408283512] [2020-10-16 02:00:54,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:54,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:54,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:54,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:54,654 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:54,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 106 transitions, 1085 flow. Second operand 14 states. [2020-10-16 02:00:54,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:54,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:54,656 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:55,668 INFO L129 PetriNetUnfolder]: 83/385 cut-off events. [2020-10-16 02:00:55,668 INFO L130 PetriNetUnfolder]: For 2091/2095 co-relation queries the response was YES. [2020-10-16 02:00:55,670 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2014 conditions, 385 events. 83/385 cut-off events. For 2091/2095 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 2528 event pairs, 32 based on Foata normal form. 3/387 useless extension candidates. Maximal degree in co-relation 1962. Up to 238 conditions per place. [2020-10-16 02:00:55,671 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 77 selfloop transitions, 13 changer transitions 26/121 dead transitions. [2020-10-16 02:00:55,671 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 121 transitions, 1420 flow [2020-10-16 02:00:55,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:55,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:55,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1949 transitions. [2020-10-16 02:00:55,674 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48834878476572285 [2020-10-16 02:00:55,674 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1949 transitions. [2020-10-16 02:00:55,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1949 transitions. [2020-10-16 02:00:55,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:55,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1949 transitions. [2020-10-16 02:00:55,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:55,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:55,679 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:55,679 INFO L185 Difference]: Start difference. First operand has 152 places, 106 transitions, 1085 flow. Second operand 13 states and 1949 transitions. [2020-10-16 02:00:55,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 121 transitions, 1420 flow [2020-10-16 02:00:55,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 121 transitions, 1346 flow, removed 18 selfloop flow, removed 11 redundant places. [2020-10-16 02:00:55,691 INFO L241 Difference]: Finished difference. Result has 152 places, 92 transitions, 922 flow [2020-10-16 02:00:55,691 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=1015, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=922, PETRI_PLACES=152, PETRI_TRANSITIONS=92} [2020-10-16 02:00:55,691 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 115 predicate places. [2020-10-16 02:00:55,691 INFO L481 AbstractCegarLoop]: Abstraction has has 152 places, 92 transitions, 922 flow [2020-10-16 02:00:55,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:55,691 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:55,691 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 02:00:55,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-16 02:00:55,692 INFO L429 AbstractCegarLoop]: === Iteration 36 === [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 02:00:55,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:55,692 INFO L82 PathProgramCache]: Analyzing trace with hash 926288630, now seen corresponding path program 26 times [2020-10-16 02:00:55,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:55,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107987934] [2020-10-16 02:00:55,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:56,337 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 02:00:56,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107987934] [2020-10-16 02:00:56,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:56,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:56,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290689509] [2020-10-16 02:00:56,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:56,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:56,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:56,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:56,341 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:56,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 92 transitions, 922 flow. Second operand 14 states. [2020-10-16 02:00:56,341 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:56,341 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:56,342 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:57,114 INFO L129 PetriNetUnfolder]: 57/306 cut-off events. [2020-10-16 02:00:57,114 INFO L130 PetriNetUnfolder]: For 1603/1605 co-relation queries the response was YES. [2020-10-16 02:00:57,116 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1584 conditions, 306 events. 57/306 cut-off events. For 1603/1605 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1864 event pairs, 34 based on Foata normal form. 3/309 useless extension candidates. Maximal degree in co-relation 1532. Up to 207 conditions per place. [2020-10-16 02:00:57,118 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 66 selfloop transitions, 11 changer transitions 19/101 dead transitions. [2020-10-16 02:00:57,118 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 101 transitions, 1194 flow [2020-10-16 02:00:57,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:00:57,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:00:57,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1940 transitions. [2020-10-16 02:00:57,121 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48609371084941116 [2020-10-16 02:00:57,121 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1940 transitions. [2020-10-16 02:00:57,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1940 transitions. [2020-10-16 02:00:57,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:57,122 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1940 transitions. [2020-10-16 02:00:57,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:00:57,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:00:57,126 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:00:57,126 INFO L185 Difference]: Start difference. First operand has 152 places, 92 transitions, 922 flow. Second operand 13 states and 1940 transitions. [2020-10-16 02:00:57,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 101 transitions, 1194 flow [2020-10-16 02:00:57,137 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 101 transitions, 1146 flow, removed 8 selfloop flow, removed 14 redundant places. [2020-10-16 02:00:57,138 INFO L241 Difference]: Finished difference. Result has 146 places, 81 transitions, 801 flow [2020-10-16 02:00:57,138 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=801, PETRI_PLACES=146, PETRI_TRANSITIONS=81} [2020-10-16 02:00:57,139 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 109 predicate places. [2020-10-16 02:00:57,139 INFO L481 AbstractCegarLoop]: Abstraction has has 146 places, 81 transitions, 801 flow [2020-10-16 02:00:57,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:57,139 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:57,139 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 02:00:57,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-16 02:00:57,139 INFO L429 AbstractCegarLoop]: === Iteration 37 === [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 02:00:57,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:57,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1452487044, now seen corresponding path program 27 times [2020-10-16 02:00:57,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:57,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927209304] [2020-10-16 02:00:57,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:57,798 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 02:00:57,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927209304] [2020-10-16 02:00:57,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:57,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:57,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545559776] [2020-10-16 02:00:57,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:57,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:57,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:57,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:57,801 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:57,801 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 81 transitions, 801 flow. Second operand 14 states. [2020-10-16 02:00:57,801 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:57,801 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:57,802 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:00:58,875 INFO L129 PetriNetUnfolder]: 74/350 cut-off events. [2020-10-16 02:00:58,875 INFO L130 PetriNetUnfolder]: For 1790/1796 co-relation queries the response was YES. [2020-10-16 02:00:58,877 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1736 conditions, 350 events. 74/350 cut-off events. For 1790/1796 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2272 event pairs, 24 based on Foata normal form. 3/353 useless extension candidates. Maximal degree in co-relation 1687. Up to 173 conditions per place. [2020-10-16 02:00:58,879 INFO L132 encePairwiseOnDemand]: 292/307 looper letters, 65 selfloop transitions, 31 changer transitions 17/118 dead transitions. [2020-10-16 02:00:58,879 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 118 transitions, 1386 flow [2020-10-16 02:00:58,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-16 02:00:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-16 02:00:58,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2397 transitions. [2020-10-16 02:00:58,882 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4879885993485342 [2020-10-16 02:00:58,882 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2397 transitions. [2020-10-16 02:00:58,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2397 transitions. [2020-10-16 02:00:58,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:00:58,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2397 transitions. [2020-10-16 02:00:58,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2020-10-16 02:00:58,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 17 states. [2020-10-16 02:00:58,888 INFO L81 ComplementDD]: Finished complementDD. Result 17 states. [2020-10-16 02:00:58,888 INFO L185 Difference]: Start difference. First operand has 146 places, 81 transitions, 801 flow. Second operand 16 states and 2397 transitions. [2020-10-16 02:00:58,888 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 118 transitions, 1386 flow [2020-10-16 02:00:58,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 118 transitions, 1302 flow, removed 20 selfloop flow, removed 15 redundant places. [2020-10-16 02:00:58,901 INFO L241 Difference]: Finished difference. Result has 140 places, 90 transitions, 928 flow [2020-10-16 02:00:58,901 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=735, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=928, PETRI_PLACES=140, PETRI_TRANSITIONS=90} [2020-10-16 02:00:58,901 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 103 predicate places. [2020-10-16 02:00:58,902 INFO L481 AbstractCegarLoop]: Abstraction has has 140 places, 90 transitions, 928 flow [2020-10-16 02:00:58,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:00:58,902 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:00:58,902 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 02:00:58,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-16 02:00:58,902 INFO L429 AbstractCegarLoop]: === Iteration 38 === [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 02:00:58,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:00:58,903 INFO L82 PathProgramCache]: Analyzing trace with hash -55079610, now seen corresponding path program 28 times [2020-10-16 02:00:58,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:00:58,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468019532] [2020-10-16 02:00:58,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:00:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:00:59,569 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 02:00:59,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468019532] [2020-10-16 02:00:59,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:00:59,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:00:59,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898543692] [2020-10-16 02:00:59,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:00:59,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:00:59,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:00:59,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:00:59,572 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:00:59,572 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 90 transitions, 928 flow. Second operand 14 states. [2020-10-16 02:00:59,572 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:00:59,572 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:00:59,573 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:01:00,518 INFO L129 PetriNetUnfolder]: 62/322 cut-off events. [2020-10-16 02:01:00,518 INFO L130 PetriNetUnfolder]: For 1810/1810 co-relation queries the response was YES. [2020-10-16 02:01:00,519 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1747 conditions, 322 events. 62/322 cut-off events. For 1810/1810 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2069 event pairs, 10 based on Foata normal form. 4/326 useless extension candidates. Maximal degree in co-relation 1699. Up to 85 conditions per place. [2020-10-16 02:01:00,521 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 49 selfloop transitions, 17 changer transitions 32/103 dead transitions. [2020-10-16 02:01:00,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 103 transitions, 1223 flow [2020-10-16 02:01:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:01:00,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:01:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1949 transitions. [2020-10-16 02:01:00,525 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48834878476572285 [2020-10-16 02:01:00,525 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1949 transitions. [2020-10-16 02:01:00,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1949 transitions. [2020-10-16 02:01:00,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:01:00,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1949 transitions. [2020-10-16 02:01:00,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:01:00,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:01:00,528 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:01:00,528 INFO L185 Difference]: Start difference. First operand has 140 places, 90 transitions, 928 flow. Second operand 13 states and 1949 transitions. [2020-10-16 02:01:00,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 103 transitions, 1223 flow [2020-10-16 02:01:00,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 103 transitions, 1016 flow, removed 54 selfloop flow, removed 16 redundant places. [2020-10-16 02:01:00,537 INFO L241 Difference]: Finished difference. Result has 135 places, 68 transitions, 603 flow [2020-10-16 02:01:00,537 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=603, PETRI_PLACES=135, PETRI_TRANSITIONS=68} [2020-10-16 02:01:00,537 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 98 predicate places. [2020-10-16 02:01:00,537 INFO L481 AbstractCegarLoop]: Abstraction has has 135 places, 68 transitions, 603 flow [2020-10-16 02:01:00,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:01:00,537 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:01:00,537 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 02:01:00,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-16 02:01:00,537 INFO L429 AbstractCegarLoop]: === Iteration 39 === [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 02:01:00,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:01:00,538 INFO L82 PathProgramCache]: Analyzing trace with hash 788599106, now seen corresponding path program 29 times [2020-10-16 02:01:00,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:01:00,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623036667] [2020-10-16 02:01:00,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:01:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:01:01,154 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 02:01:01,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623036667] [2020-10-16 02:01:01,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:01:01,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:01:01,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196706011] [2020-10-16 02:01:01,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:01:01,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:01:01,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:01:01,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:01:01,157 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:01:01,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 68 transitions, 603 flow. Second operand 14 states. [2020-10-16 02:01:01,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:01:01,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:01:01,158 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:01:01,988 INFO L129 PetriNetUnfolder]: 12/145 cut-off events. [2020-10-16 02:01:01,989 INFO L130 PetriNetUnfolder]: For 481/481 co-relation queries the response was YES. [2020-10-16 02:01:01,989 INFO L80 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 145 events. 12/145 cut-off events. For 481/481 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 669 event pairs, 8 based on Foata normal form. 2/147 useless extension candidates. Maximal degree in co-relation 645. Up to 71 conditions per place. [2020-10-16 02:01:01,990 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 38 selfloop transitions, 5 changer transitions 26/73 dead transitions. [2020-10-16 02:01:01,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 73 transitions, 781 flow [2020-10-16 02:01:01,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:01:01,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:01:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1940 transitions. [2020-10-16 02:01:01,992 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48609371084941116 [2020-10-16 02:01:01,992 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1940 transitions. [2020-10-16 02:01:01,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1940 transitions. [2020-10-16 02:01:01,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:01:01,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1940 transitions. [2020-10-16 02:01:01,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:01:01,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:01:01,995 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:01:01,995 INFO L185 Difference]: Start difference. First operand has 135 places, 68 transitions, 603 flow. Second operand 13 states and 1940 transitions. [2020-10-16 02:01:01,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 73 transitions, 781 flow [2020-10-16 02:01:01,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 73 transitions, 641 flow, removed 12 selfloop flow, removed 28 redundant places. [2020-10-16 02:01:02,000 INFO L241 Difference]: Finished difference. Result has 115 places, 47 transitions, 343 flow [2020-10-16 02:01:02,000 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=463, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=343, PETRI_PLACES=115, PETRI_TRANSITIONS=47} [2020-10-16 02:01:02,000 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 78 predicate places. [2020-10-16 02:01:02,000 INFO L481 AbstractCegarLoop]: Abstraction has has 115 places, 47 transitions, 343 flow [2020-10-16 02:01:02,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:01:02,000 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:01:02,000 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 02:01:02,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-16 02:01:02,001 INFO L429 AbstractCegarLoop]: === Iteration 40 === [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 02:01:02,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:01:02,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1701591536, now seen corresponding path program 30 times [2020-10-16 02:01:02,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:01:02,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193377124] [2020-10-16 02:01:02,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:01:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:01:02,780 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 02:01:02,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193377124] [2020-10-16 02:01:02,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:01:02,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-16 02:01:02,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140603761] [2020-10-16 02:01:02,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-16 02:01:02,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:01:02,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-16 02:01:02,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-16 02:01:02,786 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:01:02,788 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 47 transitions, 343 flow. Second operand 14 states. [2020-10-16 02:01:02,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:01:02,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:01:02,788 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:01:03,634 INFO L129 PetriNetUnfolder]: 8/92 cut-off events. [2020-10-16 02:01:03,634 INFO L130 PetriNetUnfolder]: For 216/216 co-relation queries the response was YES. [2020-10-16 02:01:03,635 INFO L80 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 92 events. 8/92 cut-off events. For 216/216 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 325 event pairs, 7 based on Foata normal form. 1/93 useless extension candidates. Maximal degree in co-relation 355. Up to 57 conditions per place. [2020-10-16 02:01:03,635 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 27 selfloop transitions, 4 changer transitions 14/49 dead transitions. [2020-10-16 02:01:03,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 49 transitions, 434 flow [2020-10-16 02:01:03,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:01:03,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:01:03,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1932 transitions. [2020-10-16 02:01:03,637 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48408920070157857 [2020-10-16 02:01:03,637 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1932 transitions. [2020-10-16 02:01:03,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1932 transitions. [2020-10-16 02:01:03,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:01:03,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1932 transitions. [2020-10-16 02:01:03,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:01:03,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:01:03,640 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:01:03,641 INFO L185 Difference]: Start difference. First operand has 115 places, 47 transitions, 343 flow. Second operand 13 states and 1932 transitions. [2020-10-16 02:01:03,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 49 transitions, 434 flow [2020-10-16 02:01:03,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 49 transitions, 367 flow, removed 4 selfloop flow, removed 21 redundant places. [2020-10-16 02:01:03,643 INFO L241 Difference]: Finished difference. Result has 86 places, 35 transitions, 218 flow [2020-10-16 02:01:03,643 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=218, PETRI_PLACES=86, PETRI_TRANSITIONS=35} [2020-10-16 02:01:03,643 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 49 predicate places. [2020-10-16 02:01:03,643 INFO L481 AbstractCegarLoop]: Abstraction has has 86 places, 35 transitions, 218 flow [2020-10-16 02:01:03,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-16 02:01:03,643 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:01:03,643 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 02:01:03,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-16 02:01:03,643 INFO L429 AbstractCegarLoop]: === Iteration 41 === [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 02:01:03,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:01:03,644 INFO L82 PathProgramCache]: Analyzing trace with hash 353930248, now seen corresponding path program 5 times [2020-10-16 02:01:03,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:01:03,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788792808] [2020-10-16 02:01:03,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:01:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:01:03,939 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 02:01:03,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788792808] [2020-10-16 02:01:03,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:01:03,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-16 02:01:03,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693836816] [2020-10-16 02:01:03,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 02:01:03,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:01:03,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 02:01:03,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-16 02:01:03,943 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 307 [2020-10-16 02:01:03,945 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 35 transitions, 218 flow. Second operand 9 states. [2020-10-16 02:01:03,945 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:01:03,945 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 307 [2020-10-16 02:01:03,945 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:01:04,274 INFO L129 PetriNetUnfolder]: 8/70 cut-off events. [2020-10-16 02:01:04,274 INFO L130 PetriNetUnfolder]: For 103/103 co-relation queries the response was YES. [2020-10-16 02:01:04,274 INFO L80 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 70 events. 8/70 cut-off events. For 103/103 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 225 event pairs, 4 based on Foata normal form. 3/73 useless extension candidates. Maximal degree in co-relation 238. Up to 43 conditions per place. [2020-10-16 02:01:04,275 INFO L132 encePairwiseOnDemand]: 301/307 looper letters, 0 selfloop transitions, 0 changer transitions 33/33 dead transitions. [2020-10-16 02:01:04,275 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 33 transitions, 255 flow [2020-10-16 02:01:04,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 02:01:04,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-16 02:01:04,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1302 transitions. [2020-10-16 02:01:04,278 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5301302931596091 [2020-10-16 02:01:04,278 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1302 transitions. [2020-10-16 02:01:04,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1302 transitions. [2020-10-16 02:01:04,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:01:04,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1302 transitions. [2020-10-16 02:01:04,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-16 02:01:04,281 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-16 02:01:04,281 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-16 02:01:04,281 INFO L185 Difference]: Start difference. First operand has 86 places, 35 transitions, 218 flow. Second operand 8 states and 1302 transitions. [2020-10-16 02:01:04,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 33 transitions, 255 flow [2020-10-16 02:01:04,283 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 33 transitions, 220 flow, removed 0 selfloop flow, removed 12 redundant places. [2020-10-16 02:01:04,283 INFO L241 Difference]: Finished difference. Result has 64 places, 0 transitions, 0 flow [2020-10-16 02:01:04,283 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=57, 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=8, PETRI_FLOW=0, PETRI_PLACES=64, PETRI_TRANSITIONS=0} [2020-10-16 02:01:04,283 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 27 predicate places. [2020-10-16 02:01:04,283 INFO L481 AbstractCegarLoop]: Abstraction has has 64 places, 0 transitions, 0 flow [2020-10-16 02:01:04,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 02:01:04,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-16 02:01:04,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:01:04 BasicIcfg [2020-10-16 02:01:04,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 02:01:04,290 INFO L168 Benchmark]: Toolchain (without parser) took 117734.88 ms. Allocated memory was 249.0 MB in the beginning and 824.2 MB in the end (delta: 575.1 MB). Free memory was 201.8 MB in the beginning and 635.8 MB in the end (delta: -434.0 MB). Peak memory consumption was 141.2 MB. Max. memory is 14.2 GB. [2020-10-16 02:01:04,291 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 02:01:04,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1183.59 ms. Allocated memory was 249.0 MB in the beginning and 352.8 MB in the end (delta: 103.8 MB). Free memory was 201.8 MB in the beginning and 318.9 MB in the end (delta: -117.1 MB). Peak memory consumption was 109.5 MB. Max. memory is 14.2 GB. [2020-10-16 02:01:04,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.52 ms. Allocated memory is still 352.8 MB. Free memory was 318.9 MB in the beginning and 315.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-16 02:01:04,295 INFO L168 Benchmark]: Boogie Preprocessor took 55.78 ms. Allocated memory is still 352.8 MB. Free memory was 315.5 MB in the beginning and 312.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-16 02:01:04,296 INFO L168 Benchmark]: RCFGBuilder took 688.54 ms. Allocated memory is still 352.8 MB. Free memory was 312.0 MB in the beginning and 264.4 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 14.2 GB. [2020-10-16 02:01:04,301 INFO L168 Benchmark]: TraceAbstraction took 115732.47 ms. Allocated memory was 352.8 MB in the beginning and 824.2 MB in the end (delta: 471.3 MB). Free memory was 264.4 MB in the beginning and 635.8 MB in the end (delta: -371.4 MB). Peak memory consumption was 100.0 MB. Max. memory is 14.2 GB. [2020-10-16 02:01:04,304 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1183.59 ms. Allocated memory was 249.0 MB in the beginning and 352.8 MB in the end (delta: 103.8 MB). Free memory was 201.8 MB in the beginning and 318.9 MB in the end (delta: -117.1 MB). Peak memory consumption was 109.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 69.52 ms. Allocated memory is still 352.8 MB. Free memory was 318.9 MB in the beginning and 315.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 55.78 ms. Allocated memory is still 352.8 MB. Free memory was 315.5 MB in the beginning and 312.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * RCFGBuilder took 688.54 ms. Allocated memory is still 352.8 MB. Free memory was 312.0 MB in the beginning and 264.4 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 14.2 GB. * TraceAbstraction took 115732.47 ms. Allocated memory was 352.8 MB in the beginning and 824.2 MB in the end (delta: 471.3 MB). Free memory was 264.4 MB in the beginning and 635.8 MB in the end (delta: -371.4 MB). Peak memory consumption was 100.0 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1604 VarBasedMoverChecksPositive, 65 VarBasedMoverChecksNegative, 4 SemBasedMoverChecksPositive, 37 SemBasedMoverChecksNegative, 24 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 51.9s, 127 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 59.0s, 142 PlacesBefore, 37 PlacesAfterwards, 144 TransitionsBefore, 35 TransitionsAfterwards, 2436 CoEnabledTransitionPairs, 7 FixpointIterations, 81 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 15 ConcurrentYvCompositions, 4 ChoiceCompositions, 152 TotalNumberOfCompositions, 5917 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: 115.5s, OverallIterations: 41, TraceHistogramMax: 1, AutomataDifference: 33.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 59.1s, HoareTripleCheckerStatistics: 474 SDtfs, 1010 SDslu, 1150 SDs, 0 SdLazy, 12440 SolverSat, 849 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 753 GetRequests, 28 SyntacticMatches, 69 SemanticMatches, 656 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1419 ImplicationChecksByTransitivity, 30.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1213occurred in iteration=31, 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, 1.1s SatisfiabilityAnalysisTime, 21.0s InterpolantComputationTime, 834 NumberOfCodeBlocks, 834 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 793 ConstructedInterpolants, 0 QuantifiedInterpolants, 417417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 41 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...