/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-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 02:01:11,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 02:01:11,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 02:01:11,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 02:01:11,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 02:01:11,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 02:01:11,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 02:01:11,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 02:01:11,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 02:01:11,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 02:01:11,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 02:01:11,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 02:01:11,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 02:01:11,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 02:01:11,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 02:01:11,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 02:01:11,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 02:01:11,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 02:01:11,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 02:01:11,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 02:01:11,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 02:01:11,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 02:01:11,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 02:01:11,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 02:01:11,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 02:01:11,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 02:01:11,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 02:01:11,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 02:01:11,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 02:01:11,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 02:01:11,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 02:01:11,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 02:01:11,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 02:01:11,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 02:01:11,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 02:01:11,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 02:01:11,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 02:01:11,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 02:01:11,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 02:01:11,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 02:01:11,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 02:01:11,946 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 02:01:11,995 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 02:01:11,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 02:01:11,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 02:01:11,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 02:01:11,997 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 02:01:11,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 02:01:11,998 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 02:01:11,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 02:01:11,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 02:01:11,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 02:01:11,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 02:01:11,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 02:01:11,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 02:01:12,001 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 02:01:12,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 02:01:12,001 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 02:01:12,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 02:01:12,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 02:01:12,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 02:01:12,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 02:01:12,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 02:01:12,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 02:01:12,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 02:01:12,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 02:01:12,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 02:01:12,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 02:01:12,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 02:01:12,005 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 02:01:12,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 02:01:12,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 02:01:12,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 02:01:12,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 02:01:12,337 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 02:01:12,337 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 02:01:12,338 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2020-10-16 02:01:12,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8b0ffdaf/407714b390fa498584c7888412e159e0/FLAG5c30bba5e [2020-10-16 02:01:13,032 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 02:01:13,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2020-10-16 02:01:13,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8b0ffdaf/407714b390fa498584c7888412e159e0/FLAG5c30bba5e [2020-10-16 02:01:13,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8b0ffdaf/407714b390fa498584c7888412e159e0 [2020-10-16 02:01:13,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 02:01:13,228 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 02:01:13,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 02:01:13,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 02:01:13,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 02:01:13,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:01:13" (1/1) ... [2020-10-16 02:01:13,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3f7de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:13, skipping insertion in model container [2020-10-16 02:01:13,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:01:13" (1/1) ... [2020-10-16 02:01:13,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 02:01:13,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 02:01:14,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 02:01:14,091 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 02:01:14,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 02:01:14,620 INFO L208 MainTranslator]: Completed translation [2020-10-16 02:01:14,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:14 WrapperNode [2020-10-16 02:01:14,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 02:01:14,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 02:01:14,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 02:01:14,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 02:01:14,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:14" (1/1) ... [2020-10-16 02:01:14,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:14" (1/1) ... [2020-10-16 02:01:14,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 02:01:14,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 02:01:14,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 02:01:14,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 02:01:14,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:14" (1/1) ... [2020-10-16 02:01:14,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:14" (1/1) ... [2020-10-16 02:01:14,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:14" (1/1) ... [2020-10-16 02:01:14,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:14" (1/1) ... [2020-10-16 02:01:14,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:14" (1/1) ... [2020-10-16 02:01:14,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:14" (1/1) ... [2020-10-16 02:01:14,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:14" (1/1) ... [2020-10-16 02:01:14,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 02:01:14,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 02:01:14,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 02:01:14,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 02:01:14,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:14" (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 02:01:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 02:01:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 02:01:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 02:01:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-16 02:01:14,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 02:01:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 02:01:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2020-10-16 02:01:14,819 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2020-10-16 02:01:14,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 02:01:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 02:01:14,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 02:01:14,822 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 02:01:15,440 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 02:01:15,440 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-16 02:01:15,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:01:15 BoogieIcfgContainer [2020-10-16 02:01:15,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 02:01:15,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 02:01:15,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 02:01:15,448 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 02:01:15,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:01:13" (1/3) ... [2020-10-16 02:01:15,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef12288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:01:15, skipping insertion in model container [2020-10-16 02:01:15,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:01:14" (2/3) ... [2020-10-16 02:01:15,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef12288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:01:15, skipping insertion in model container [2020-10-16 02:01:15,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:01:15" (3/3) ... [2020-10-16 02:01:15,452 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2020-10-16 02:01:15,464 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 02:01:15,472 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-16 02:01:15,473 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 02:01:15,504 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,505 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,505 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,505 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,505 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,506 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,506 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,506 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,506 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,506 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,506 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,507 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,507 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,507 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,507 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,507 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,508 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,508 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,508 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,508 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,509 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,509 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,509 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,509 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,509 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,510 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,510 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,510 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,510 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,511 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,511 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,511 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,511 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,511 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,512 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,512 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,512 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,512 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,512 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,513 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,513 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,513 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,516 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,516 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,516 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,517 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,517 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,517 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,517 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,517 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,518 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,518 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,518 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,518 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,519 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,519 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,519 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,519 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,523 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,523 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,523 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,524 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,524 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,524 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,524 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,524 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,525 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,525 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,530 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,530 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,530 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,531 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,531 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,531 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,531 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,531 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,531 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,532 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:01:15,557 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-16 02:01:15,579 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 02:01:15,579 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 02:01:15,579 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 02:01:15,580 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 02:01:15,580 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 02:01:15,580 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 02:01:15,580 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 02:01:15,580 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 02:01:15,598 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 150 places, 154 transitions, 330 flow [2020-10-16 02:01:15,669 INFO L129 PetriNetUnfolder]: 11/192 cut-off events. [2020-10-16 02:01:15,669 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 02:01:15,675 INFO L80 FinitePrefix]: Finished finitePrefix Result has 203 conditions, 192 events. 11/192 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 370 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 107. Up to 4 conditions per place. [2020-10-16 02:01:15,676 INFO L82 GeneralOperation]: Start removeDead. Operand has 150 places, 154 transitions, 330 flow [2020-10-16 02:01:15,684 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 141 places, 143 transitions, 304 flow [2020-10-16 02:01:15,686 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 02:01:15,689 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 143 transitions, 304 flow [2020-10-16 02:01:15,692 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 143 transitions, 304 flow [2020-10-16 02:01:15,692 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 141 places, 143 transitions, 304 flow [2020-10-16 02:01:15,728 INFO L129 PetriNetUnfolder]: 8/175 cut-off events. [2020-10-16 02:01:15,729 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 02:01:15,730 INFO L80 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 175 events. 8/175 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 328 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 98. Up to 4 conditions per place. [2020-10-16 02:01:15,734 INFO L117 LiptonReduction]: Number of co-enabled transitions 2236 [2020-10-16 02:01:16,154 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 02:01:16,182 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:16,188 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 02:01:16,207 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:16,209 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 02:01:16,210 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 02:01:16,226 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 02:01:16,250 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:16,255 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 02:01:16,277 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:16,278 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 02:01:16,279 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:01:18,334 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 02:01:18,362 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:18,377 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 02:01:18,400 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:18,401 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 02:01:18,402 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:100 [2020-10-16 02:01:18,418 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 02:01:18,446 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:18,451 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 02:01:18,473 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:18,474 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 02:01:18,475 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-16 02:01:18,501 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 02:01:18,527 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:18,532 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 02:01:18,588 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:18,589 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 02:01:18,590 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 02:01:18,608 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 02:01:18,632 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:18,636 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 02:01:18,655 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:18,656 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 02:01:18,657 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 02:01:20,871 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 02:01:20,900 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:20,905 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 02:01:20,929 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:20,931 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 02:01:20,932 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:01:20,947 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 02:01:20,972 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:20,976 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 02:01:20,996 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:20,997 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 02:01:20,997 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 02:01:23,291 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:01:23,315 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:23,321 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 02:01:23,345 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:23,347 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:01:23,347 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 02:01:23,361 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 02:01:23,386 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:23,390 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:01:23,413 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:23,414 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 02:01:23,414 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 02:01:25,684 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 02:01:25,712 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:25,716 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 02:01:25,734 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:25,735 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 02:01:25,736 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:106, output treesize:78 [2020-10-16 02:01:25,781 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 02:01:25,806 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:25,810 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 02:01:25,834 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:25,835 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 02:01:25,836 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 02:01:25,863 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 02:01:25,888 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:25,893 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 02:01:25,916 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:25,917 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 02:01:25,918 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 02:01:27,976 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 02:01:28,012 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:28,016 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 02:01:28,036 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:28,038 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 02:01:28,038 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 02:01:28,061 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 02:01:28,087 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:28,091 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:01:28,110 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:28,111 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 02:01:28,112 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 02:01:30,139 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 02:01:30,164 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:30,168 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 02:01:30,188 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:30,189 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 02:01:30,190 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:01:30,207 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 02:01:30,229 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:30,233 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 02:01:30,253 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:30,254 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 02:01:30,254 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:01:32,303 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 02:01:32,345 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:32,349 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 02:01:32,376 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:32,377 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 02:01:32,378 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 02:01:32,389 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 02:01:32,425 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:32,429 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 02:01:32,450 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:32,451 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 02:01:32,452 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 02:01:34,533 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 02:01:34,558 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:34,562 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 02:01:34,581 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:34,582 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 02:01:34,582 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:01:34,603 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 02:01:34,641 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:34,644 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 02:01:34,666 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:34,667 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 02:01:34,668 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:01:36,953 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 02:01:36,986 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:36,989 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 02:01:37,008 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:37,009 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 02:01:37,010 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-16 02:01:37,023 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 02:01:37,048 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:37,051 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 02:01:37,069 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:37,070 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 02:01:37,070 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-10-16 02:01:39,093 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 02:01:39,125 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:39,129 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 02:01:39,148 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:39,149 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 02:01:39,149 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:01:39,168 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 02:01:39,189 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:39,193 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 02:01:39,211 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:39,212 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 02:01:39,213 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:01:41,415 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 02:01:41,440 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:41,443 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 02:01:41,465 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:41,466 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 02:01:41,467 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:01:41,482 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 02:01:41,504 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:41,507 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 02:01:41,529 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:41,530 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 02:01:41,530 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:01:43,697 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 02:01:43,720 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:43,724 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 02:01:43,742 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:43,743 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:01:43,743 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 02:01:43,763 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 02:01:43,784 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:43,788 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 02:01:43,803 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:43,804 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:01:43,804 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 02:01:46,029 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 02:01:46,057 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:46,060 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 02:01:46,077 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:46,078 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 02:01:46,079 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:104, output treesize:106 [2020-10-16 02:01:46,093 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 02:01:46,116 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:46,119 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 02:01:46,135 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:46,136 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 02:01:46,136 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-16 02:01:48,167 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 02:01:48,191 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:48,195 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 02:01:48,269 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:48,272 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 02:01:48,275 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 02:01:48,310 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 02:01:48,349 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:48,355 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 02:01:48,383 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:48,384 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 02:01:48,385 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 02:01:50,487 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 02:01:50,515 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:50,518 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 02:01:50,538 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:50,539 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 02:01:50,539 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 02:01:50,548 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 02:01:50,572 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:50,575 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 02:01:50,593 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:50,594 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 02:01:50,594 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:01:52,640 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 02:01:52,666 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:52,669 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 02:01:52,697 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:52,698 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 02:01:52,699 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:100, output treesize:102 [2020-10-16 02:01:52,717 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 02:01:52,740 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:52,743 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 02:01:52,764 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:52,765 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 02:01:52,765 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:100 [2020-10-16 02:01:54,804 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 02:01:54,828 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:54,832 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 02:01:54,852 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:54,853 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 02:01:54,853 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 02:01:54,864 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 02:01:54,898 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:54,902 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 02:01:54,924 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:54,925 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-16 02:01:54,925 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:110, output treesize:112 [2020-10-16 02:01:57,258 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 02:01:57,286 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:57,289 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 02:01:57,312 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:57,313 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 02:01:57,313 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:116, output treesize:118 [2020-10-16 02:01:57,322 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 02:01:57,348 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:57,351 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 02:01:57,371 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:57,372 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 02:01:57,373 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:118, output treesize:120 [2020-10-16 02:01:59,393 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 02:01:59,414 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:59,419 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 02:01:59,436 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:59,437 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 02:01:59,437 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:01:59,455 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 02:01:59,485 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:59,489 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 02:01:59,511 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:01:59,512 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 02:01:59,512 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 02:02:01,569 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 02:02:01,588 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:02:01,590 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 02:02:01,610 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:02:01,610 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 02:02:01,611 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:99, output treesize:71 [2020-10-16 02:02:01,911 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 02:02:01,942 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:02:01,946 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:02:01,969 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:02:01,970 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 02:02:01,970 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:02:01,980 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 02:02:02,004 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:02:02,008 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 02:02:02,029 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:02:02,030 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 02:02:02,030 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:112, output treesize:114 [2020-10-16 02:02:04,267 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 02:02:04,288 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:02:04,292 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 02:02:04,310 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:02:04,311 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 02:02:04,311 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:02:04,320 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 02:02:04,342 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:02:04,345 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-16 02:02:04,363 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:02:04,364 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 02:02:04,364 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:114, output treesize:116 [2020-10-16 02:02:06,504 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-10-16 02:02:07,061 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2020-10-16 02:02:07,796 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-10-16 02:02:07,812 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 02:02:07,994 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-16 02:02:07,995 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:02:08,003 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 02:02:08,175 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-16 02:02:08,175 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-16 02:02:08,176 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 02:02:08,176 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:193, output treesize:205 [2020-10-16 02:02:08,335 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-16 02:02:08,592 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2020-10-16 02:02:08,711 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-16 02:02:09,769 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2020-10-16 02:02:10,199 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-16 02:02:10,696 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2020-10-16 02:02:10,908 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-16 02:02:10,917 INFO L132 LiptonReduction]: Checked pairs total: 5623 [2020-10-16 02:02:10,917 INFO L134 LiptonReduction]: Total number of compositions: 153 [2020-10-16 02:02:10,920 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55236 [2020-10-16 02:02:10,925 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2020-10-16 02:02:10,925 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:02:10,925 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:10,926 INFO L255 CegarLoopForPetriNet]: trace histogram [1] [2020-10-16 02:02:10,926 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 02:02:10,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:10,931 INFO L82 PathProgramCache]: Analyzing trace with hash 535, now seen corresponding path program 1 times [2020-10-16 02:02:10,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:10,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141475501] [2020-10-16 02:02:10,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:11,198 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 02:02:11,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141475501] [2020-10-16 02:02:11,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:11,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-16 02:02:11,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80428785] [2020-10-16 02:02:11,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 02:02:11,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:11,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 02:02:11,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 02:02:11,240 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 307 [2020-10-16 02:02:11,246 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 34 transitions, 86 flow. Second operand 2 states. [2020-10-16 02:02:11,246 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:11,246 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 307 [2020-10-16 02:02:11,247 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:11,279 INFO L129 PetriNetUnfolder]: 2/40 cut-off events. [2020-10-16 02:02:11,279 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-16 02:02:11,279 INFO L80 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 40 events. 2/40 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 1/34 useless extension candidates. Maximal degree in co-relation 48. Up to 3 conditions per place. [2020-10-16 02:02:11,282 INFO L132 encePairwiseOnDemand]: 305/307 looper letters, 0 selfloop transitions, 0 changer transitions 0/32 dead transitions. [2020-10-16 02:02:11,282 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 32 transitions, 82 flow [2020-10-16 02:02:11,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 02:02:11,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-16 02:02:11,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 554 transitions. [2020-10-16 02:02:11,298 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.9022801302931596 [2020-10-16 02:02:11,299 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 554 transitions. [2020-10-16 02:02:11,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 554 transitions. [2020-10-16 02:02:11,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:11,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 554 transitions. [2020-10-16 02:02:11,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-10-16 02:02:11,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 3 states. [2020-10-16 02:02:11,317 INFO L81 ComplementDD]: Finished complementDD. Result 3 states. [2020-10-16 02:02:11,319 INFO L185 Difference]: Start difference. First operand has 37 places, 34 transitions, 86 flow. Second operand 2 states and 554 transitions. [2020-10-16 02:02:11,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 32 transitions, 82 flow [2020-10-16 02:02:11,323 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 02:02:11,325 INFO L241 Difference]: Finished difference. Result has 32 places, 32 transitions, 70 flow [2020-10-16 02:02:11,328 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 02:02:11,329 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, -5 predicate places. [2020-10-16 02:02:11,329 INFO L481 AbstractCegarLoop]: Abstraction has has 32 places, 32 transitions, 70 flow [2020-10-16 02:02:11,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 02:02:11,330 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:11,330 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2020-10-16 02:02:11,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 02:02:11,330 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 02:02:11,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:11,331 INFO L82 PathProgramCache]: Analyzing trace with hash 16663613, now seen corresponding path program 1 times [2020-10-16 02:02:11,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:11,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651919185] [2020-10-16 02:02:11,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:11,533 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 02:02:11,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651919185] [2020-10-16 02:02:11,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:11,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 02:02:11,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760163384] [2020-10-16 02:02:11,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:02:11,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:11,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:02:11,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:02:11,538 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 307 [2020-10-16 02:02:11,539 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 32 transitions, 70 flow. Second operand 3 states. [2020-10-16 02:02:11,539 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:11,539 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 307 [2020-10-16 02:02:11,539 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:11,736 INFO L129 PetriNetUnfolder]: 241/492 cut-off events. [2020-10-16 02:02:11,737 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 02:02:11,738 INFO L80 FinitePrefix]: Finished finitePrefix Result has 938 conditions, 492 events. 241/492 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2464 event pairs, 98 based on Foata normal form. 0/454 useless extension candidates. Maximal degree in co-relation 935. Up to 325 conditions per place. [2020-10-16 02:02:11,748 INFO L132 encePairwiseOnDemand]: 299/307 looper letters, 23 selfloop transitions, 7 changer transitions 0/41 dead transitions. [2020-10-16 02:02:11,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 41 transitions, 148 flow [2020-10-16 02:02:11,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:02:11,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:02:11,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2020-10-16 02:02:11,753 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6460369163952225 [2020-10-16 02:02:11,754 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2020-10-16 02:02:11,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2020-10-16 02:02:11,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:11,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2020-10-16 02:02:11,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:02:11,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:02:11,764 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:02:11,765 INFO L185 Difference]: Start difference. First operand has 32 places, 32 transitions, 70 flow. Second operand 3 states and 595 transitions. [2020-10-16 02:02:11,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 41 transitions, 148 flow [2020-10-16 02:02:11,765 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 02:02:11,768 INFO L241 Difference]: Finished difference. Result has 36 places, 37 transitions, 120 flow [2020-10-16 02:02:11,768 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 02:02:11,769 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, -1 predicate places. [2020-10-16 02:02:11,769 INFO L481 AbstractCegarLoop]: Abstraction has has 36 places, 37 transitions, 120 flow [2020-10-16 02:02:11,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:02:11,769 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:11,770 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 02:02:11,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 02:02:11,770 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 02:02:11,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:11,770 INFO L82 PathProgramCache]: Analyzing trace with hash 516572519, now seen corresponding path program 1 times [2020-10-16 02:02:11,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:11,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085803942] [2020-10-16 02:02:11,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:11,899 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 02:02:11,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085803942] [2020-10-16 02:02:11,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:11,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 02:02:11,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107441406] [2020-10-16 02:02:11,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:02:11,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:11,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:02:11,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:02:11,903 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 307 [2020-10-16 02:02:11,903 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 37 transitions, 120 flow. Second operand 3 states. [2020-10-16 02:02:11,904 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:11,904 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 307 [2020-10-16 02:02:11,904 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:12,113 INFO L129 PetriNetUnfolder]: 290/578 cut-off events. [2020-10-16 02:02:12,114 INFO L130 PetriNetUnfolder]: For 253/253 co-relation queries the response was YES. [2020-10-16 02:02:12,116 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1553 conditions, 578 events. 290/578 cut-off events. For 253/253 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3026 event pairs, 127 based on Foata normal form. 17/589 useless extension candidates. Maximal degree in co-relation 1548. Up to 421 conditions per place. [2020-10-16 02:02:12,127 INFO L132 encePairwiseOnDemand]: 300/307 looper letters, 27 selfloop transitions, 9 changer transitions 2/49 dead transitions. [2020-10-16 02:02:12,127 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 49 transitions, 250 flow [2020-10-16 02:02:12,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:02:12,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:02:12,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 594 transitions. [2020-10-16 02:02:12,131 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6449511400651465 [2020-10-16 02:02:12,131 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 594 transitions. [2020-10-16 02:02:12,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 594 transitions. [2020-10-16 02:02:12,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:12,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 594 transitions. [2020-10-16 02:02:12,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:02:12,135 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:02:12,135 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:02:12,136 INFO L185 Difference]: Start difference. First operand has 36 places, 37 transitions, 120 flow. Second operand 3 states and 594 transitions. [2020-10-16 02:02:12,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 49 transitions, 250 flow [2020-10-16 02:02:12,141 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 02:02:12,144 INFO L241 Difference]: Finished difference. Result has 37 places, 43 transitions, 177 flow [2020-10-16 02:02:12,144 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 02:02:12,144 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 0 predicate places. [2020-10-16 02:02:12,144 INFO L481 AbstractCegarLoop]: Abstraction has has 37 places, 43 transitions, 177 flow [2020-10-16 02:02:12,145 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:02:12,145 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:12,145 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:02:12,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 02:02:12,145 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 02:02:12,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:12,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1872189527, now seen corresponding path program 1 times [2020-10-16 02:02:12,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:12,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782381081] [2020-10-16 02:02:12,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:12,221 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 02:02:12,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782381081] [2020-10-16 02:02:12,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:12,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:02:12,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525568320] [2020-10-16 02:02:12,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:02:12,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:12,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:02:12,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:02:12,227 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 307 [2020-10-16 02:02:12,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 43 transitions, 177 flow. Second operand 3 states. [2020-10-16 02:02:12,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:12,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 307 [2020-10-16 02:02:12,228 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:12,253 INFO L129 PetriNetUnfolder]: 5/45 cut-off events. [2020-10-16 02:02:12,253 INFO L130 PetriNetUnfolder]: For 14/28 co-relation queries the response was YES. [2020-10-16 02:02:12,254 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 02:02:12,254 INFO L132 encePairwiseOnDemand]: 305/307 looper letters, 2 selfloop transitions, 1 changer transitions 0/25 dead transitions. [2020-10-16 02:02:12,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 25 transitions, 78 flow [2020-10-16 02:02:12,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:02:12,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:02:12,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 742 transitions. [2020-10-16 02:02:12,257 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8056460369163952 [2020-10-16 02:02:12,258 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 742 transitions. [2020-10-16 02:02:12,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 742 transitions. [2020-10-16 02:02:12,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:12,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 742 transitions. [2020-10-16 02:02:12,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:02:12,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:02:12,262 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:02:12,262 INFO L185 Difference]: Start difference. First operand has 37 places, 43 transitions, 177 flow. Second operand 3 states and 742 transitions. [2020-10-16 02:02:12,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 25 transitions, 78 flow [2020-10-16 02:02:12,264 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 02:02:12,265 INFO L241 Difference]: Finished difference. Result has 31 places, 25 transitions, 66 flow [2020-10-16 02:02:12,265 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 02:02:12,265 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, -6 predicate places. [2020-10-16 02:02:12,265 INFO L481 AbstractCegarLoop]: Abstraction has has 31 places, 25 transitions, 66 flow [2020-10-16 02:02:12,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:02:12,266 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:12,266 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 02:02:12,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 02:02:12,266 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 02:02:12,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:12,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1708074086, now seen corresponding path program 1 times [2020-10-16 02:02:12,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:12,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701633910] [2020-10-16 02:02:12,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:12,667 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 02:02:12,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701633910] [2020-10-16 02:02:12,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:12,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 02:02:12,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917386035] [2020-10-16 02:02:12,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 02:02:12,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:12,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 02:02:12,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-16 02:02:12,675 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 307 [2020-10-16 02:02:12,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 25 transitions, 66 flow. Second operand 8 states. [2020-10-16 02:02:12,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:12,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 307 [2020-10-16 02:02:12,677 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:13,008 INFO L129 PetriNetUnfolder]: 129/315 cut-off events. [2020-10-16 02:02:13,009 INFO L130 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2020-10-16 02:02:13,009 INFO L80 FinitePrefix]: Finished finitePrefix Result has 676 conditions, 315 events. 129/315 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1512 event pairs, 20 based on Foata normal form. 0/313 useless extension candidates. Maximal degree in co-relation 670. Up to 92 conditions per place. [2020-10-16 02:02:13,011 INFO L132 encePairwiseOnDemand]: 298/307 looper letters, 38 selfloop transitions, 11 changer transitions 0/56 dead transitions. [2020-10-16 02:02:13,012 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 56 transitions, 242 flow [2020-10-16 02:02:13,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 02:02:13,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 02:02:13,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1142 transitions. [2020-10-16 02:02:13,016 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5314099581200559 [2020-10-16 02:02:13,016 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1142 transitions. [2020-10-16 02:02:13,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1142 transitions. [2020-10-16 02:02:13,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:13,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1142 transitions. [2020-10-16 02:02:13,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 02:02:13,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 02:02:13,023 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 02:02:13,024 INFO L185 Difference]: Start difference. First operand has 31 places, 25 transitions, 66 flow. Second operand 7 states and 1142 transitions. [2020-10-16 02:02:13,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 56 transitions, 242 flow [2020-10-16 02:02:13,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 56 transitions, 241 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 02:02:13,026 INFO L241 Difference]: Finished difference. Result has 38 places, 31 transitions, 122 flow [2020-10-16 02:02:13,026 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=122, PETRI_PLACES=38, PETRI_TRANSITIONS=31} [2020-10-16 02:02:13,027 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2020-10-16 02:02:13,027 INFO L481 AbstractCegarLoop]: Abstraction has has 38 places, 31 transitions, 122 flow [2020-10-16 02:02:13,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 02:02:13,027 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:13,027 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 02:02:13,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 02:02:13,028 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 02:02:13,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:13,028 INFO L82 PathProgramCache]: Analyzing trace with hash -261973534, now seen corresponding path program 2 times [2020-10-16 02:02:13,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:13,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718277504] [2020-10-16 02:02:13,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:13,440 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 02:02:13,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718277504] [2020-10-16 02:02:13,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:13,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 02:02:13,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863668237] [2020-10-16 02:02:13,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 02:02:13,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:13,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 02:02:13,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 02:02:13,448 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 307 [2020-10-16 02:02:13,449 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 31 transitions, 122 flow. Second operand 8 states. [2020-10-16 02:02:13,450 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:13,450 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 307 [2020-10-16 02:02:13,450 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:13,951 INFO L129 PetriNetUnfolder]: 200/514 cut-off events. [2020-10-16 02:02:13,951 INFO L130 PetriNetUnfolder]: For 347/349 co-relation queries the response was YES. [2020-10-16 02:02:13,953 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1358 conditions, 514 events. 200/514 cut-off events. For 347/349 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2872 event pairs, 36 based on Foata normal form. 0/508 useless extension candidates. Maximal degree in co-relation 1350. Up to 194 conditions per place. [2020-10-16 02:02:13,957 INFO L132 encePairwiseOnDemand]: 300/307 looper letters, 53 selfloop transitions, 12 changer transitions 0/72 dead transitions. [2020-10-16 02:02:13,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 72 transitions, 431 flow [2020-10-16 02:02:13,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 02:02:13,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 02:02:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1144 transitions. [2020-10-16 02:02:13,962 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5323406235458352 [2020-10-16 02:02:13,962 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1144 transitions. [2020-10-16 02:02:13,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1144 transitions. [2020-10-16 02:02:13,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:13,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1144 transitions. [2020-10-16 02:02:13,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 02:02:13,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 02:02:13,971 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 02:02:13,971 INFO L185 Difference]: Start difference. First operand has 38 places, 31 transitions, 122 flow. Second operand 7 states and 1144 transitions. [2020-10-16 02:02:13,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 72 transitions, 431 flow [2020-10-16 02:02:13,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 72 transitions, 423 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 02:02:13,978 INFO L241 Difference]: Finished difference. Result has 45 places, 37 transitions, 183 flow [2020-10-16 02:02:13,978 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=183, PETRI_PLACES=45, PETRI_TRANSITIONS=37} [2020-10-16 02:02:13,979 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 8 predicate places. [2020-10-16 02:02:13,979 INFO L481 AbstractCegarLoop]: Abstraction has has 45 places, 37 transitions, 183 flow [2020-10-16 02:02:13,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 02:02:13,979 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:13,979 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 02:02:13,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 02:02:13,979 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 02:02:13,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:13,981 INFO L82 PathProgramCache]: Analyzing trace with hash 236717483, now seen corresponding path program 1 times [2020-10-16 02:02:13,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:13,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822316778] [2020-10-16 02:02:13,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:14,783 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 02:02:14,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822316778] [2020-10-16 02:02:14,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:14,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 02:02:14,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924582040] [2020-10-16 02:02:14,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:02:14,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:14,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:02:14,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:02:14,788 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:02:14,790 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 37 transitions, 183 flow. Second operand 12 states. [2020-10-16 02:02:14,790 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:14,790 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:02:14,790 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:15,638 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-10-16 02:02:15,974 INFO L129 PetriNetUnfolder]: 340/825 cut-off events. [2020-10-16 02:02:15,975 INFO L130 PetriNetUnfolder]: For 1079/1084 co-relation queries the response was YES. [2020-10-16 02:02:15,978 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2439 conditions, 825 events. 340/825 cut-off events. For 1079/1084 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 5177 event pairs, 87 based on Foata normal form. 3/819 useless extension candidates. Maximal degree in co-relation 2428. Up to 470 conditions per place. [2020-10-16 02:02:15,984 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 70 selfloop transitions, 22 changer transitions 18/115 dead transitions. [2020-10-16 02:02:15,984 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 115 transitions, 768 flow [2020-10-16 02:02:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 02:02:15,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-16 02:02:15,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1837 transitions. [2020-10-16 02:02:15,992 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.498642779587405 [2020-10-16 02:02:15,992 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1837 transitions. [2020-10-16 02:02:15,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1837 transitions. [2020-10-16 02:02:15,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:15,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1837 transitions. [2020-10-16 02:02:15,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-16 02:02:16,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-16 02:02:16,004 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-16 02:02:16,004 INFO L185 Difference]: Start difference. First operand has 45 places, 37 transitions, 183 flow. Second operand 12 states and 1837 transitions. [2020-10-16 02:02:16,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 115 transitions, 768 flow [2020-10-16 02:02:16,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 115 transitions, 753 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 02:02:16,012 INFO L241 Difference]: Finished difference. Result has 64 places, 59 transitions, 437 flow [2020-10-16 02:02:16,013 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=437, PETRI_PLACES=64, PETRI_TRANSITIONS=59} [2020-10-16 02:02:16,013 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 27 predicate places. [2020-10-16 02:02:16,013 INFO L481 AbstractCegarLoop]: Abstraction has has 64 places, 59 transitions, 437 flow [2020-10-16 02:02:16,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:02:16,013 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:16,014 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 02:02:16,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 02:02:16,014 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 02:02:16,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:16,014 INFO L82 PathProgramCache]: Analyzing trace with hash 895935809, now seen corresponding path program 2 times [2020-10-16 02:02:16,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:16,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515850104] [2020-10-16 02:02:16,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:16,144 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 02:02:16,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515850104] [2020-10-16 02:02:16,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:16,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:02:16,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930378653] [2020-10-16 02:02:16,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 02:02:16,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:16,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 02:02:16,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-16 02:02:16,147 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 307 [2020-10-16 02:02:16,148 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 59 transitions, 437 flow. Second operand 4 states. [2020-10-16 02:02:16,148 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:16,148 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 307 [2020-10-16 02:02:16,148 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:16,193 INFO L129 PetriNetUnfolder]: 18/149 cut-off events. [2020-10-16 02:02:16,193 INFO L130 PetriNetUnfolder]: For 250/255 co-relation queries the response was YES. [2020-10-16 02:02:16,194 INFO L80 FinitePrefix]: Finished finitePrefix Result has 450 conditions, 149 events. 18/149 cut-off events. For 250/255 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 757 event pairs, 1 based on Foata normal form. 11/155 useless extension candidates. Maximal degree in co-relation 429. Up to 39 conditions per place. [2020-10-16 02:02:16,195 INFO L132 encePairwiseOnDemand]: 302/307 looper letters, 0 selfloop transitions, 7 changer transitions 0/48 dead transitions. [2020-10-16 02:02:16,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 48 transitions, 341 flow [2020-10-16 02:02:16,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 02:02:16,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-16 02:02:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 955 transitions. [2020-10-16 02:02:16,199 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7776872964169381 [2020-10-16 02:02:16,199 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 955 transitions. [2020-10-16 02:02:16,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 955 transitions. [2020-10-16 02:02:16,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:16,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 955 transitions. [2020-10-16 02:02:16,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-16 02:02:16,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-16 02:02:16,204 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-16 02:02:16,204 INFO L185 Difference]: Start difference. First operand has 64 places, 59 transitions, 437 flow. Second operand 4 states and 955 transitions. [2020-10-16 02:02:16,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 48 transitions, 341 flow [2020-10-16 02:02:16,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 48 transitions, 289 flow, removed 25 selfloop flow, removed 7 redundant places. [2020-10-16 02:02:16,208 INFO L241 Difference]: Finished difference. Result has 55 places, 48 transitions, 289 flow [2020-10-16 02:02:16,208 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=289, PETRI_PLACES=55, PETRI_TRANSITIONS=48} [2020-10-16 02:02:16,208 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 18 predicate places. [2020-10-16 02:02:16,208 INFO L481 AbstractCegarLoop]: Abstraction has has 55 places, 48 transitions, 289 flow [2020-10-16 02:02:16,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 02:02:16,208 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:16,209 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 02:02:16,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 02:02:16,209 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 02:02:16,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:16,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1115343995, now seen corresponding path program 3 times [2020-10-16 02:02:16,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:16,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259854279] [2020-10-16 02:02:16,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:16,914 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 02:02:16,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259854279] [2020-10-16 02:02:16,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:16,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 02:02:16,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552698043] [2020-10-16 02:02:16,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:02:16,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:16,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:02:16,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:02:16,923 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:02:16,924 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 48 transitions, 289 flow. Second operand 12 states. [2020-10-16 02:02:16,924 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:16,924 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:02:16,924 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:17,823 INFO L129 PetriNetUnfolder]: 111/351 cut-off events. [2020-10-16 02:02:17,825 INFO L130 PetriNetUnfolder]: For 586/589 co-relation queries the response was YES. [2020-10-16 02:02:17,826 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1247 conditions, 351 events. 111/351 cut-off events. For 586/589 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1943 event pairs, 51 based on Foata normal form. 1/345 useless extension candidates. Maximal degree in co-relation 1232. Up to 236 conditions per place. [2020-10-16 02:02:17,828 INFO L132 encePairwiseOnDemand]: 296/307 looper letters, 46 selfloop transitions, 7 changer transitions 28/86 dead transitions. [2020-10-16 02:02:17,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 86 transitions, 666 flow [2020-10-16 02:02:17,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 02:02:17,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-16 02:02:17,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1660 transitions. [2020-10-16 02:02:17,834 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4915605567071365 [2020-10-16 02:02:17,835 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1660 transitions. [2020-10-16 02:02:17,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1660 transitions. [2020-10-16 02:02:17,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:17,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1660 transitions. [2020-10-16 02:02:17,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-16 02:02:17,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-16 02:02:17,845 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-16 02:02:17,845 INFO L185 Difference]: Start difference. First operand has 55 places, 48 transitions, 289 flow. Second operand 11 states and 1660 transitions. [2020-10-16 02:02:17,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 86 transitions, 666 flow [2020-10-16 02:02:17,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 86 transitions, 654 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 02:02:17,852 INFO L241 Difference]: Finished difference. Result has 70 places, 50 transitions, 338 flow [2020-10-16 02:02:17,853 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=338, PETRI_PLACES=70, PETRI_TRANSITIONS=50} [2020-10-16 02:02:17,853 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 33 predicate places. [2020-10-16 02:02:17,853 INFO L481 AbstractCegarLoop]: Abstraction has has 70 places, 50 transitions, 338 flow [2020-10-16 02:02:17,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:02:17,853 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:17,853 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 02:02:17,854 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 02:02:17,854 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 02:02:17,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:17,855 INFO L82 PathProgramCache]: Analyzing trace with hash 939896303, now seen corresponding path program 4 times [2020-10-16 02:02:17,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:17,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580711935] [2020-10-16 02:02:17,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:18,466 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 02:02:18,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580711935] [2020-10-16 02:02:18,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:18,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 02:02:18,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146880634] [2020-10-16 02:02:18,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:02:18,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:18,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:02:18,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:02:18,470 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:02:18,471 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 50 transitions, 338 flow. Second operand 12 states. [2020-10-16 02:02:18,472 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:18,472 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:02:18,472 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:19,313 INFO L129 PetriNetUnfolder]: 100/329 cut-off events. [2020-10-16 02:02:19,314 INFO L130 PetriNetUnfolder]: For 708/712 co-relation queries the response was YES. [2020-10-16 02:02:19,315 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1214 conditions, 329 events. 100/329 cut-off events. For 708/712 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1793 event pairs, 40 based on Foata normal form. 1/324 useless extension candidates. Maximal degree in co-relation 1192. Up to 197 conditions per place. [2020-10-16 02:02:19,319 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 54 selfloop transitions, 33 changer transitions 3/95 dead transitions. [2020-10-16 02:02:19,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 95 transitions, 791 flow [2020-10-16 02:02:19,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:02:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:02:19,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1963 transitions. [2020-10-16 02:02:19,325 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.49185667752442996 [2020-10-16 02:02:19,326 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1963 transitions. [2020-10-16 02:02:19,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1963 transitions. [2020-10-16 02:02:19,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:19,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1963 transitions. [2020-10-16 02:02:19,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:02:19,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:02:19,337 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:02:19,337 INFO L185 Difference]: Start difference. First operand has 70 places, 50 transitions, 338 flow. Second operand 13 states and 1963 transitions. [2020-10-16 02:02:19,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 95 transitions, 791 flow [2020-10-16 02:02:19,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 95 transitions, 746 flow, removed 18 selfloop flow, removed 7 redundant places. [2020-10-16 02:02:19,342 INFO L241 Difference]: Finished difference. Result has 75 places, 74 transitions, 595 flow [2020-10-16 02:02:19,343 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=595, PETRI_PLACES=75, PETRI_TRANSITIONS=74} [2020-10-16 02:02:19,343 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 38 predicate places. [2020-10-16 02:02:19,343 INFO L481 AbstractCegarLoop]: Abstraction has has 75 places, 74 transitions, 595 flow [2020-10-16 02:02:19,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:02:19,343 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:19,343 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 02:02:19,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 02:02:19,344 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 02:02:19,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:19,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1070270531, now seen corresponding path program 5 times [2020-10-16 02:02:19,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:19,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183485613] [2020-10-16 02:02:19,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:19,903 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 02:02:19,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183485613] [2020-10-16 02:02:19,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:19,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 02:02:19,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622196858] [2020-10-16 02:02:19,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:02:19,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:19,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:02:19,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:02:19,907 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:02:19,908 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 74 transitions, 595 flow. Second operand 12 states. [2020-10-16 02:02:19,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:19,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:02:19,909 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:20,696 INFO L129 PetriNetUnfolder]: 105/355 cut-off events. [2020-10-16 02:02:20,696 INFO L130 PetriNetUnfolder]: For 989/997 co-relation queries the response was YES. [2020-10-16 02:02:20,698 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1422 conditions, 355 events. 105/355 cut-off events. For 989/997 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2033 event pairs, 39 based on Foata normal form. 5/355 useless extension candidates. Maximal degree in co-relation 1399. Up to 223 conditions per place. [2020-10-16 02:02:20,701 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 68 selfloop transitions, 29 changer transitions 2/104 dead transitions. [2020-10-16 02:02:20,701 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 104 transitions, 977 flow [2020-10-16 02:02:20,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 02:02:20,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-16 02:02:20,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1812 transitions. [2020-10-16 02:02:20,709 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.49185667752442996 [2020-10-16 02:02:20,710 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1812 transitions. [2020-10-16 02:02:20,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1812 transitions. [2020-10-16 02:02:20,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:20,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1812 transitions. [2020-10-16 02:02:20,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-16 02:02:20,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-16 02:02:20,725 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-16 02:02:20,725 INFO L185 Difference]: Start difference. First operand has 75 places, 74 transitions, 595 flow. Second operand 12 states and 1812 transitions. [2020-10-16 02:02:20,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 104 transitions, 977 flow [2020-10-16 02:02:20,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 104 transitions, 926 flow, removed 21 selfloop flow, removed 3 redundant places. [2020-10-16 02:02:20,739 INFO L241 Difference]: Finished difference. Result has 86 places, 82 transitions, 698 flow [2020-10-16 02:02:20,740 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=698, PETRI_PLACES=86, PETRI_TRANSITIONS=82} [2020-10-16 02:02:20,740 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 49 predicate places. [2020-10-16 02:02:20,740 INFO L481 AbstractCegarLoop]: Abstraction has has 86 places, 82 transitions, 698 flow [2020-10-16 02:02:20,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:02:20,741 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:20,741 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 02:02:20,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 02:02:20,742 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 02:02:20,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:20,742 INFO L82 PathProgramCache]: Analyzing trace with hash 93598733, now seen corresponding path program 6 times [2020-10-16 02:02:20,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:20,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471042093] [2020-10-16 02:02:20,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:21,442 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 02:02:21,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471042093] [2020-10-16 02:02:21,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:21,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 02:02:21,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17699393] [2020-10-16 02:02:21,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:02:21,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:21,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:02:21,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:02:21,446 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:02:21,447 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 82 transitions, 698 flow. Second operand 12 states. [2020-10-16 02:02:21,447 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:21,447 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:02:21,447 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:22,415 INFO L129 PetriNetUnfolder]: 103/365 cut-off events. [2020-10-16 02:02:22,415 INFO L130 PetriNetUnfolder]: For 1073/1081 co-relation queries the response was YES. [2020-10-16 02:02:22,417 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1497 conditions, 365 events. 103/365 cut-off events. For 1073/1081 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2150 event pairs, 40 based on Foata normal form. 5/364 useless extension candidates. Maximal degree in co-relation 1470. Up to 205 conditions per place. [2020-10-16 02:02:22,420 INFO L132 encePairwiseOnDemand]: 293/307 looper letters, 63 selfloop transitions, 42 changer transitions 1/111 dead transitions. [2020-10-16 02:02:22,420 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 111 transitions, 1075 flow [2020-10-16 02:02:22,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 02:02:22,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 02:02:22,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2111 transitions. [2020-10-16 02:02:22,427 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.49115867845509537 [2020-10-16 02:02:22,428 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2111 transitions. [2020-10-16 02:02:22,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2111 transitions. [2020-10-16 02:02:22,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:22,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2111 transitions. [2020-10-16 02:02:22,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 02:02:22,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 02:02:22,439 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 02:02:22,439 INFO L185 Difference]: Start difference. First operand has 86 places, 82 transitions, 698 flow. Second operand 14 states and 2111 transitions. [2020-10-16 02:02:22,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 111 transitions, 1075 flow [2020-10-16 02:02:22,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 111 transitions, 1032 flow, removed 4 selfloop flow, removed 6 redundant places. [2020-10-16 02:02:22,448 INFO L241 Difference]: Finished difference. Result has 97 places, 92 transitions, 871 flow [2020-10-16 02:02:22,449 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=871, PETRI_PLACES=97, PETRI_TRANSITIONS=92} [2020-10-16 02:02:22,449 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 60 predicate places. [2020-10-16 02:02:22,449 INFO L481 AbstractCegarLoop]: Abstraction has has 97 places, 92 transitions, 871 flow [2020-10-16 02:02:22,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:02:22,449 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:22,449 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 02:02:22,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 02:02:22,450 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 02:02:22,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:22,450 INFO L82 PathProgramCache]: Analyzing trace with hash -334085357, now seen corresponding path program 7 times [2020-10-16 02:02:22,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:22,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12717362] [2020-10-16 02:02:22,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:23,029 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 02:02:23,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12717362] [2020-10-16 02:02:23,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:23,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 02:02:23,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82197026] [2020-10-16 02:02:23,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:02:23,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:23,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:02:23,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:02:23,033 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:02:23,034 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 92 transitions, 871 flow. Second operand 12 states. [2020-10-16 02:02:23,034 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:23,034 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:02:23,034 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:23,891 INFO L129 PetriNetUnfolder]: 116/415 cut-off events. [2020-10-16 02:02:23,891 INFO L130 PetriNetUnfolder]: For 1271/1274 co-relation queries the response was YES. [2020-10-16 02:02:23,893 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1739 conditions, 415 events. 116/415 cut-off events. For 1271/1274 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2567 event pairs, 52 based on Foata normal form. 1/411 useless extension candidates. Maximal degree in co-relation 1708. Up to 304 conditions per place. [2020-10-16 02:02:23,898 INFO L132 encePairwiseOnDemand]: 295/307 looper letters, 103 selfloop transitions, 14 changer transitions 0/122 dead transitions. [2020-10-16 02:02:23,898 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 122 transitions, 1296 flow [2020-10-16 02:02:23,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 02:02:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-16 02:02:23,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1803 transitions. [2020-10-16 02:02:23,906 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48941368078175895 [2020-10-16 02:02:23,906 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1803 transitions. [2020-10-16 02:02:23,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1803 transitions. [2020-10-16 02:02:23,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:23,908 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1803 transitions. [2020-10-16 02:02:23,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-16 02:02:23,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-16 02:02:23,917 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-16 02:02:23,917 INFO L185 Difference]: Start difference. First operand has 97 places, 92 transitions, 871 flow. Second operand 12 states and 1803 transitions. [2020-10-16 02:02:23,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 122 transitions, 1296 flow [2020-10-16 02:02:23,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 122 transitions, 1251 flow, removed 4 selfloop flow, removed 6 redundant places. [2020-10-16 02:02:23,928 INFO L241 Difference]: Finished difference. Result has 110 places, 104 transitions, 991 flow [2020-10-16 02:02:23,928 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=828, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=991, PETRI_PLACES=110, PETRI_TRANSITIONS=104} [2020-10-16 02:02:23,929 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 73 predicate places. [2020-10-16 02:02:23,929 INFO L481 AbstractCegarLoop]: Abstraction has has 110 places, 104 transitions, 991 flow [2020-10-16 02:02:23,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:02:23,929 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:23,929 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 02:02:23,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 02:02:23,929 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 02:02:23,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:23,930 INFO L82 PathProgramCache]: Analyzing trace with hash -771222061, now seen corresponding path program 8 times [2020-10-16 02:02:23,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:23,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915412006] [2020-10-16 02:02:23,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:24,446 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 02:02:24,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915412006] [2020-10-16 02:02:24,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:24,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 02:02:24,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065520991] [2020-10-16 02:02:24,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:02:24,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:24,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:02:24,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:02:24,449 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:02:24,450 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 104 transitions, 991 flow. Second operand 12 states. [2020-10-16 02:02:24,451 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:24,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:02:24,451 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:25,330 INFO L129 PetriNetUnfolder]: 129/463 cut-off events. [2020-10-16 02:02:25,330 INFO L130 PetriNetUnfolder]: For 1554/1564 co-relation queries the response was YES. [2020-10-16 02:02:25,333 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1990 conditions, 463 events. 129/463 cut-off events. For 1554/1564 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3019 event pairs, 65 based on Foata normal form. 3/461 useless extension candidates. Maximal degree in co-relation 1951. Up to 343 conditions per place. [2020-10-16 02:02:25,336 INFO L132 encePairwiseOnDemand]: 295/307 looper letters, 106 selfloop transitions, 19 changer transitions 0/130 dead transitions. [2020-10-16 02:02:25,337 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 130 transitions, 1432 flow [2020-10-16 02:02:25,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-16 02:02:25,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-16 02:02:25,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2096 transitions. [2020-10-16 02:02:25,345 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48766868310842254 [2020-10-16 02:02:25,345 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2096 transitions. [2020-10-16 02:02:25,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2096 transitions. [2020-10-16 02:02:25,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:25,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2096 transitions. [2020-10-16 02:02:25,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-16 02:02:25,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-16 02:02:25,354 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-16 02:02:25,354 INFO L185 Difference]: Start difference. First operand has 110 places, 104 transitions, 991 flow. Second operand 14 states and 2096 transitions. [2020-10-16 02:02:25,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 130 transitions, 1432 flow [2020-10-16 02:02:25,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 130 transitions, 1368 flow, removed 32 selfloop flow, removed 0 redundant places. [2020-10-16 02:02:25,368 INFO L241 Difference]: Finished difference. Result has 130 places, 114 transitions, 1109 flow [2020-10-16 02:02:25,368 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1109, PETRI_PLACES=130, PETRI_TRANSITIONS=114} [2020-10-16 02:02:25,369 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 93 predicate places. [2020-10-16 02:02:25,369 INFO L481 AbstractCegarLoop]: Abstraction has has 130 places, 114 transitions, 1109 flow [2020-10-16 02:02:25,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:02:25,369 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:25,369 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 02:02:25,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 02:02:25,370 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 02:02:25,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:25,370 INFO L82 PathProgramCache]: Analyzing trace with hash -85989037, now seen corresponding path program 9 times [2020-10-16 02:02:25,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:25,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454168557] [2020-10-16 02:02:25,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:25,927 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 02:02:25,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454168557] [2020-10-16 02:02:25,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:25,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 02:02:25,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998631392] [2020-10-16 02:02:25,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:02:25,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:25,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:02:25,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:02:25,934 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:02:25,936 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 114 transitions, 1109 flow. Second operand 12 states. [2020-10-16 02:02:25,937 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:25,937 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:02:25,937 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:27,209 INFO L129 PetriNetUnfolder]: 140/505 cut-off events. [2020-10-16 02:02:27,209 INFO L130 PetriNetUnfolder]: For 1774/1779 co-relation queries the response was YES. [2020-10-16 02:02:27,213 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2200 conditions, 505 events. 140/505 cut-off events. For 1774/1779 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3378 event pairs, 44 based on Foata normal form. 1/502 useless extension candidates. Maximal degree in co-relation 2153. Up to 337 conditions per place. [2020-10-16 02:02:27,216 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 119 selfloop transitions, 27 changer transitions 0/151 dead transitions. [2020-10-16 02:02:27,216 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 151 transitions, 1677 flow [2020-10-16 02:02:27,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 02:02:27,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 02:02:27,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1957 transitions. [2020-10-16 02:02:27,220 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4903532949135555 [2020-10-16 02:02:27,220 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1957 transitions. [2020-10-16 02:02:27,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1957 transitions. [2020-10-16 02:02:27,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:27,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1957 transitions. [2020-10-16 02:02:27,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 02:02:27,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 02:02:27,227 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 02:02:27,227 INFO L185 Difference]: Start difference. First operand has 130 places, 114 transitions, 1109 flow. Second operand 13 states and 1957 transitions. [2020-10-16 02:02:27,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 151 transitions, 1677 flow [2020-10-16 02:02:27,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 151 transitions, 1603 flow, removed 35 selfloop flow, removed 1 redundant places. [2020-10-16 02:02:27,244 INFO L241 Difference]: Finished difference. Result has 145 places, 126 transitions, 1261 flow [2020-10-16 02:02:27,245 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1261, PETRI_PLACES=145, PETRI_TRANSITIONS=126} [2020-10-16 02:02:27,245 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 108 predicate places. [2020-10-16 02:02:27,245 INFO L481 AbstractCegarLoop]: Abstraction has has 145 places, 126 transitions, 1261 flow [2020-10-16 02:02:27,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:02:27,245 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:27,246 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 02:02:27,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 02:02:27,246 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 02:02:27,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:27,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1091324849, now seen corresponding path program 10 times [2020-10-16 02:02:27,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:27,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18819382] [2020-10-16 02:02:27,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:27,776 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 02:02:27,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18819382] [2020-10-16 02:02:27,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:27,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 02:02:27,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053118656] [2020-10-16 02:02:27,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:02:27,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:27,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:02:27,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:02:27,780 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:02:27,781 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 126 transitions, 1261 flow. Second operand 12 states. [2020-10-16 02:02:27,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:27,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:02:27,781 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:28,701 INFO L129 PetriNetUnfolder]: 142/522 cut-off events. [2020-10-16 02:02:28,702 INFO L130 PetriNetUnfolder]: For 2089/2099 co-relation queries the response was YES. [2020-10-16 02:02:28,706 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2369 conditions, 522 events. 142/522 cut-off events. For 2089/2099 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3580 event pairs, 45 based on Foata normal form. 4/524 useless extension candidates. Maximal degree in co-relation 2317. Up to 354 conditions per place. [2020-10-16 02:02:28,710 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 116 selfloop transitions, 34 changer transitions 2/157 dead transitions. [2020-10-16 02:02:28,710 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 157 transitions, 1815 flow [2020-10-16 02:02:28,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 02:02:28,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-16 02:02:28,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1807 transitions. [2020-10-16 02:02:28,714 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.49049945711183496 [2020-10-16 02:02:28,714 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1807 transitions. [2020-10-16 02:02:28,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1807 transitions. [2020-10-16 02:02:28,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:28,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1807 transitions. [2020-10-16 02:02:28,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-16 02:02:28,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-16 02:02:28,724 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-16 02:02:28,725 INFO L185 Difference]: Start difference. First operand has 145 places, 126 transitions, 1261 flow. Second operand 12 states and 1807 transitions. [2020-10-16 02:02:28,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 157 transitions, 1815 flow [2020-10-16 02:02:28,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 157 transitions, 1676 flow, removed 53 selfloop flow, removed 6 redundant places. [2020-10-16 02:02:28,753 INFO L241 Difference]: Finished difference. Result has 154 places, 137 transitions, 1370 flow [2020-10-16 02:02:28,754 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=1149, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1370, PETRI_PLACES=154, PETRI_TRANSITIONS=137} [2020-10-16 02:02:28,754 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 117 predicate places. [2020-10-16 02:02:28,754 INFO L481 AbstractCegarLoop]: Abstraction has has 154 places, 137 transitions, 1370 flow [2020-10-16 02:02:28,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:02:28,754 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:28,754 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 02:02:28,754 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-16 02:02:28,755 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 02:02:28,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:28,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1042697855, now seen corresponding path program 11 times [2020-10-16 02:02:28,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:28,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075054409] [2020-10-16 02:02:28,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:29,326 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 02:02:29,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075054409] [2020-10-16 02:02:29,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:29,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 02:02:29,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620255872] [2020-10-16 02:02:29,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:02:29,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:29,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:02:29,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:02:29,331 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:02:29,332 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 137 transitions, 1370 flow. Second operand 12 states. [2020-10-16 02:02:29,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:29,333 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:02:29,333 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:30,171 INFO L129 PetriNetUnfolder]: 141/521 cut-off events. [2020-10-16 02:02:30,171 INFO L130 PetriNetUnfolder]: For 2040/2052 co-relation queries the response was YES. [2020-10-16 02:02:30,175 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2364 conditions, 521 events. 141/521 cut-off events. For 2040/2052 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 3592 event pairs, 62 based on Foata normal form. 1/521 useless extension candidates. Maximal degree in co-relation 2308. Up to 403 conditions per place. [2020-10-16 02:02:30,178 INFO L132 encePairwiseOnDemand]: 294/307 looper letters, 138 selfloop transitions, 17 changer transitions 0/160 dead transitions. [2020-10-16 02:02:30,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 160 transitions, 1857 flow [2020-10-16 02:02:30,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 02:02:30,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-16 02:02:30,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1803 transitions. [2020-10-16 02:02:30,182 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48941368078175895 [2020-10-16 02:02:30,182 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1803 transitions. [2020-10-16 02:02:30,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1803 transitions. [2020-10-16 02:02:30,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:30,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1803 transitions. [2020-10-16 02:02:30,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-16 02:02:30,188 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-16 02:02:30,188 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-16 02:02:30,188 INFO L185 Difference]: Start difference. First operand has 154 places, 137 transitions, 1370 flow. Second operand 12 states and 1803 transitions. [2020-10-16 02:02:30,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 160 transitions, 1857 flow [2020-10-16 02:02:30,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 160 transitions, 1765 flow, removed 17 selfloop flow, removed 9 redundant places. [2020-10-16 02:02:30,211 INFO L241 Difference]: Finished difference. Result has 162 places, 144 transitions, 1429 flow [2020-10-16 02:02:30,212 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=1284, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1429, PETRI_PLACES=162, PETRI_TRANSITIONS=144} [2020-10-16 02:02:30,212 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 125 predicate places. [2020-10-16 02:02:30,212 INFO L481 AbstractCegarLoop]: Abstraction has has 162 places, 144 transitions, 1429 flow [2020-10-16 02:02:30,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:02:30,212 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:30,212 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 02:02:30,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-16 02:02:30,213 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 02:02:30,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:30,213 INFO L82 PathProgramCache]: Analyzing trace with hash 78138958, now seen corresponding path program 3 times [2020-10-16 02:02:30,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:30,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977451054] [2020-10-16 02:02:30,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:30,485 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 02:02:30,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977451054] [2020-10-16 02:02:30,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:30,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 02:02:30,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2269770] [2020-10-16 02:02:30,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 02:02:30,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:30,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 02:02:30,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 02:02:30,490 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 307 [2020-10-16 02:02:30,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 144 transitions, 1429 flow. Second operand 8 states. [2020-10-16 02:02:30,492 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:30,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 307 [2020-10-16 02:02:30,492 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:30,929 INFO L129 PetriNetUnfolder]: 124/513 cut-off events. [2020-10-16 02:02:30,929 INFO L130 PetriNetUnfolder]: For 1872/1877 co-relation queries the response was YES. [2020-10-16 02:02:30,933 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2258 conditions, 513 events. 124/513 cut-off events. For 1872/1877 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 3615 event pairs, 43 based on Foata normal form. 8/521 useless extension candidates. Maximal degree in co-relation 2200. Up to 175 conditions per place. [2020-10-16 02:02:30,936 INFO L132 encePairwiseOnDemand]: 298/307 looper letters, 83 selfloop transitions, 45 changer transitions 35/170 dead transitions. [2020-10-16 02:02:30,937 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 170 transitions, 1964 flow [2020-10-16 02:02:30,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 02:02:30,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-16 02:02:30,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1301 transitions. [2020-10-16 02:02:30,940 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5297231270358306 [2020-10-16 02:02:30,940 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1301 transitions. [2020-10-16 02:02:30,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1301 transitions. [2020-10-16 02:02:30,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:30,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1301 transitions. [2020-10-16 02:02:30,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-16 02:02:30,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-16 02:02:30,947 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-16 02:02:30,947 INFO L185 Difference]: Start difference. First operand has 162 places, 144 transitions, 1429 flow. Second operand 8 states and 1301 transitions. [2020-10-16 02:02:30,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 170 transitions, 1964 flow [2020-10-16 02:02:30,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 170 transitions, 1875 flow, removed 28 selfloop flow, removed 5 redundant places. [2020-10-16 02:02:30,970 INFO L241 Difference]: Finished difference. Result has 164 places, 118 transitions, 1211 flow [2020-10-16 02:02:30,971 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=1310, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1211, PETRI_PLACES=164, PETRI_TRANSITIONS=118} [2020-10-16 02:02:30,971 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 127 predicate places. [2020-10-16 02:02:30,971 INFO L481 AbstractCegarLoop]: Abstraction has has 164 places, 118 transitions, 1211 flow [2020-10-16 02:02:30,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 02:02:30,972 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:30,972 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 02:02:30,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-16 02:02:30,972 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 02:02:30,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:30,972 INFO L82 PathProgramCache]: Analyzing trace with hash 225457395, now seen corresponding path program 12 times [2020-10-16 02:02:30,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:30,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980542960] [2020-10-16 02:02:30,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:31,674 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 02:02:31,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980542960] [2020-10-16 02:02:31,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:31,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 02:02:31,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436848666] [2020-10-16 02:02:31,676 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:02:31,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:31,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:02:31,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:02:31,679 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:02:31,680 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 118 transitions, 1211 flow. Second operand 12 states. [2020-10-16 02:02:31,680 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:31,680 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:02:31,680 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:32,477 INFO L129 PetriNetUnfolder]: 128/463 cut-off events. [2020-10-16 02:02:32,477 INFO L130 PetriNetUnfolder]: For 1710/1715 co-relation queries the response was YES. [2020-10-16 02:02:32,481 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2112 conditions, 463 events. 128/463 cut-off events. For 1710/1715 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3038 event pairs, 62 based on Foata normal form. 4/467 useless extension candidates. Maximal degree in co-relation 2057. Up to 336 conditions per place. [2020-10-16 02:02:32,483 INFO L132 encePairwiseOnDemand]: 296/307 looper letters, 96 selfloop transitions, 7 changer transitions 37/145 dead transitions. [2020-10-16 02:02:32,484 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 145 transitions, 1674 flow [2020-10-16 02:02:32,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 02:02:32,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-16 02:02:32,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1660 transitions. [2020-10-16 02:02:32,489 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4915605567071365 [2020-10-16 02:02:32,489 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1660 transitions. [2020-10-16 02:02:32,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1660 transitions. [2020-10-16 02:02:32,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:32,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1660 transitions. [2020-10-16 02:02:32,491 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-16 02:02:32,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-16 02:02:32,494 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-16 02:02:32,495 INFO L185 Difference]: Start difference. First operand has 164 places, 118 transitions, 1211 flow. Second operand 11 states and 1660 transitions. [2020-10-16 02:02:32,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 145 transitions, 1674 flow [2020-10-16 02:02:32,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 145 transitions, 1531 flow, removed 16 selfloop flow, removed 19 redundant places. [2020-10-16 02:02:32,513 INFO L241 Difference]: Finished difference. Result has 150 places, 108 transitions, 1023 flow [2020-10-16 02:02:32,513 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=1099, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1023, PETRI_PLACES=150, PETRI_TRANSITIONS=108} [2020-10-16 02:02:32,514 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 113 predicate places. [2020-10-16 02:02:32,514 INFO L481 AbstractCegarLoop]: Abstraction has has 150 places, 108 transitions, 1023 flow [2020-10-16 02:02:32,514 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:02:32,514 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:32,514 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:02:32,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-16 02:02:32,514 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 02:02:32,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:32,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1777016593, now seen corresponding path program 13 times [2020-10-16 02:02:32,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:32,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120301366] [2020-10-16 02:02:32,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:33,151 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 02:02:33,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120301366] [2020-10-16 02:02:33,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:33,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 02:02:33,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477933206] [2020-10-16 02:02:33,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:02:33,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:33,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:02:33,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:02:33,154 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:02:33,155 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 108 transitions, 1023 flow. Second operand 12 states. [2020-10-16 02:02:33,155 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:33,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:02:33,155 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:33,853 INFO L129 PetriNetUnfolder]: 103/381 cut-off events. [2020-10-16 02:02:33,853 INFO L130 PetriNetUnfolder]: For 1270/1274 co-relation queries the response was YES. [2020-10-16 02:02:33,855 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1666 conditions, 381 events. 103/381 cut-off events. For 1270/1274 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2361 event pairs, 55 based on Foata normal form. 3/384 useless extension candidates. Maximal degree in co-relation 1618. Up to 271 conditions per place. [2020-10-16 02:02:33,857 INFO L132 encePairwiseOnDemand]: 296/307 looper letters, 72 selfloop transitions, 6 changer transitions 32/115 dead transitions. [2020-10-16 02:02:33,857 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 115 transitions, 1264 flow [2020-10-16 02:02:33,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 02:02:33,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-16 02:02:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1652 transitions. [2020-10-16 02:02:33,863 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4891915901687889 [2020-10-16 02:02:33,863 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1652 transitions. [2020-10-16 02:02:33,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1652 transitions. [2020-10-16 02:02:33,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:33,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1652 transitions. [2020-10-16 02:02:33,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-16 02:02:33,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-16 02:02:33,871 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-16 02:02:33,872 INFO L185 Difference]: Start difference. First operand has 150 places, 108 transitions, 1023 flow. Second operand 11 states and 1652 transitions. [2020-10-16 02:02:33,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 115 transitions, 1264 flow [2020-10-16 02:02:33,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 115 transitions, 1213 flow, removed 12 selfloop flow, removed 11 redundant places. [2020-10-16 02:02:33,885 INFO L241 Difference]: Finished difference. Result has 140 places, 83 transitions, 768 flow [2020-10-16 02:02:33,885 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=964, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=768, PETRI_PLACES=140, PETRI_TRANSITIONS=83} [2020-10-16 02:02:33,885 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 103 predicate places. [2020-10-16 02:02:33,885 INFO L481 AbstractCegarLoop]: Abstraction has has 140 places, 83 transitions, 768 flow [2020-10-16 02:02:33,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:02:33,885 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:33,886 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 02:02:33,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-16 02:02:33,886 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 02:02:33,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:33,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1875288738, now seen corresponding path program 1 times [2020-10-16 02:02:33,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:33,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754433184] [2020-10-16 02:02:33,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:33,958 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 02:02:33,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754433184] [2020-10-16 02:02:33,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:33,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 02:02:33,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600291230] [2020-10-16 02:02:33,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 02:02:33,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:33,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 02:02:33,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-16 02:02:33,962 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 307 [2020-10-16 02:02:33,962 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 83 transitions, 768 flow. Second operand 6 states. [2020-10-16 02:02:33,962 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:33,962 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 307 [2020-10-16 02:02:33,963 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:34,164 INFO L129 PetriNetUnfolder]: 65/301 cut-off events. [2020-10-16 02:02:34,165 INFO L130 PetriNetUnfolder]: For 795/797 co-relation queries the response was YES. [2020-10-16 02:02:34,167 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1236 conditions, 301 events. 65/301 cut-off events. For 795/797 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1815 event pairs, 45 based on Foata normal form. 8/307 useless extension candidates. Maximal degree in co-relation 1193. Up to 219 conditions per place. [2020-10-16 02:02:34,170 INFO L132 encePairwiseOnDemand]: 301/307 looper letters, 59 selfloop transitions, 8 changer transitions 0/86 dead transitions. [2020-10-16 02:02:34,170 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 86 transitions, 904 flow [2020-10-16 02:02:34,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 02:02:34,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 02:02:34,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1169 transitions. [2020-10-16 02:02:34,174 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6346362649294245 [2020-10-16 02:02:34,174 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1169 transitions. [2020-10-16 02:02:34,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1169 transitions. [2020-10-16 02:02:34,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:34,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1169 transitions. [2020-10-16 02:02:34,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 02:02:34,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 02:02:34,180 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 02:02:34,180 INFO L185 Difference]: Start difference. First operand has 140 places, 83 transitions, 768 flow. Second operand 6 states and 1169 transitions. [2020-10-16 02:02:34,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 86 transitions, 904 flow [2020-10-16 02:02:34,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 86 transitions, 788 flow, removed 12 selfloop flow, removed 19 redundant places. [2020-10-16 02:02:34,190 INFO L241 Difference]: Finished difference. Result has 111 places, 79 transitions, 634 flow [2020-10-16 02:02:34,190 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=634, PETRI_PLACES=111, PETRI_TRANSITIONS=79} [2020-10-16 02:02:34,191 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 74 predicate places. [2020-10-16 02:02:34,191 INFO L481 AbstractCegarLoop]: Abstraction has has 111 places, 79 transitions, 634 flow [2020-10-16 02:02:34,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 02:02:34,191 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:34,191 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 02:02:34,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-16 02:02:34,191 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 02:02:34,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:34,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1204703076, now seen corresponding path program 4 times [2020-10-16 02:02:34,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:34,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909787538] [2020-10-16 02:02:34,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:34,474 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 02:02:34,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909787538] [2020-10-16 02:02:34,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:34,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 02:02:34,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756288360] [2020-10-16 02:02:34,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 02:02:34,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:34,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 02:02:34,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 02:02:34,479 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 307 [2020-10-16 02:02:34,480 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 79 transitions, 634 flow. Second operand 8 states. [2020-10-16 02:02:34,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:34,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 307 [2020-10-16 02:02:34,481 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:34,761 INFO L129 PetriNetUnfolder]: 70/283 cut-off events. [2020-10-16 02:02:34,761 INFO L130 PetriNetUnfolder]: For 667/672 co-relation queries the response was YES. [2020-10-16 02:02:34,763 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1155 conditions, 283 events. 70/283 cut-off events. For 667/672 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1655 event pairs, 32 based on Foata normal form. 4/287 useless extension candidates. Maximal degree in co-relation 1122. Up to 115 conditions per place. [2020-10-16 02:02:34,764 INFO L132 encePairwiseOnDemand]: 301/307 looper letters, 21 selfloop transitions, 6 changer transitions 50/84 dead transitions. [2020-10-16 02:02:34,764 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 84 transitions, 791 flow [2020-10-16 02:02:34,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 02:02:34,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 02:02:34,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1129 transitions. [2020-10-16 02:02:34,766 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5253606328524896 [2020-10-16 02:02:34,766 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1129 transitions. [2020-10-16 02:02:34,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1129 transitions. [2020-10-16 02:02:34,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:34,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1129 transitions. [2020-10-16 02:02:34,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 02:02:34,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 02:02:34,769 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 02:02:34,769 INFO L185 Difference]: Start difference. First operand has 111 places, 79 transitions, 634 flow. Second operand 7 states and 1129 transitions. [2020-10-16 02:02:34,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 84 transitions, 791 flow [2020-10-16 02:02:34,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 84 transitions, 778 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-16 02:02:34,776 INFO L241 Difference]: Finished difference. Result has 110 places, 32 transitions, 238 flow [2020-10-16 02:02:34,776 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=238, PETRI_PLACES=110, PETRI_TRANSITIONS=32} [2020-10-16 02:02:34,776 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 73 predicate places. [2020-10-16 02:02:34,776 INFO L481 AbstractCegarLoop]: Abstraction has has 110 places, 32 transitions, 238 flow [2020-10-16 02:02:34,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 02:02:34,776 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:34,777 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 02:02:34,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-16 02:02:34,777 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 02:02:34,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:34,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1820797443, now seen corresponding path program 1 times [2020-10-16 02:02:34,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:34,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861445891] [2020-10-16 02:02:34,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:34,906 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 02:02:34,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861445891] [2020-10-16 02:02:34,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:34,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-16 02:02:34,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520228776] [2020-10-16 02:02:34,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-16 02:02:34,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:34,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-16 02:02:34,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-16 02:02:34,910 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 307 [2020-10-16 02:02:34,910 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 32 transitions, 238 flow. Second operand 9 states. [2020-10-16 02:02:34,911 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:34,911 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 307 [2020-10-16 02:02:34,911 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:35,097 INFO L129 PetriNetUnfolder]: 2/46 cut-off events. [2020-10-16 02:02:35,097 INFO L130 PetriNetUnfolder]: For 205/205 co-relation queries the response was YES. [2020-10-16 02:02:35,097 INFO L80 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 46 events. 2/46 cut-off events. For 205/205 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 76 event pairs, 0 based on Foata normal form. 12/58 useless extension candidates. Maximal degree in co-relation 207. Up to 17 conditions per place. [2020-10-16 02:02:35,098 INFO L132 encePairwiseOnDemand]: 299/307 looper letters, 20 selfloop transitions, 10 changer transitions 0/31 dead transitions. [2020-10-16 02:02:35,098 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 31 transitions, 295 flow [2020-10-16 02:02:35,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 02:02:35,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-16 02:02:35,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1331 transitions. [2020-10-16 02:02:35,100 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5419381107491856 [2020-10-16 02:02:35,100 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1331 transitions. [2020-10-16 02:02:35,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1331 transitions. [2020-10-16 02:02:35,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:35,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1331 transitions. [2020-10-16 02:02:35,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-16 02:02:35,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-16 02:02:35,104 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-16 02:02:35,104 INFO L185 Difference]: Start difference. First operand has 110 places, 32 transitions, 238 flow. Second operand 8 states and 1331 transitions. [2020-10-16 02:02:35,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 31 transitions, 295 flow [2020-10-16 02:02:35,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 31 transitions, 179 flow, removed 25 selfloop flow, removed 34 redundant places. [2020-10-16 02:02:35,107 INFO L241 Difference]: Finished difference. Result has 53 places, 29 transitions, 132 flow [2020-10-16 02:02:35,107 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=132, PETRI_PLACES=53, PETRI_TRANSITIONS=29} [2020-10-16 02:02:35,107 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 16 predicate places. [2020-10-16 02:02:35,107 INFO L481 AbstractCegarLoop]: Abstraction has has 53 places, 29 transitions, 132 flow [2020-10-16 02:02:35,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-16 02:02:35,108 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:35,108 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 02:02:35,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-16 02:02:35,108 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 02:02:35,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:35,108 INFO L82 PathProgramCache]: Analyzing trace with hash -2122005953, now seen corresponding path program 14 times [2020-10-16 02:02:35,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:35,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145637648] [2020-10-16 02:02:35,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:35,687 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 02:02:35,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145637648] [2020-10-16 02:02:35,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:35,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 02:02:35,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460297106] [2020-10-16 02:02:35,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:02:35,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:35,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:02:35,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:02:35,691 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:02:35,692 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 29 transitions, 132 flow. Second operand 12 states. [2020-10-16 02:02:35,692 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:35,692 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:02:35,693 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:36,353 INFO L129 PetriNetUnfolder]: 1/52 cut-off events. [2020-10-16 02:02:36,353 INFO L130 PetriNetUnfolder]: For 44/44 co-relation queries the response was YES. [2020-10-16 02:02:36,353 INFO L80 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 52 events. 1/52 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 117 event pairs, 1 based on Foata normal form. 1/53 useless extension candidates. Maximal degree in co-relation 152. Up to 12 conditions per place. [2020-10-16 02:02:36,354 INFO L132 encePairwiseOnDemand]: 296/307 looper letters, 12 selfloop transitions, 12 changer transitions 7/34 dead transitions. [2020-10-16 02:02:36,354 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 34 transitions, 218 flow [2020-10-16 02:02:36,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-16 02:02:36,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-16 02:02:36,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1780 transitions. [2020-10-16 02:02:36,356 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.4831704668838219 [2020-10-16 02:02:36,356 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1780 transitions. [2020-10-16 02:02:36,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1780 transitions. [2020-10-16 02:02:36,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:36,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1780 transitions. [2020-10-16 02:02:36,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-16 02:02:36,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-16 02:02:36,362 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-16 02:02:36,363 INFO L185 Difference]: Start difference. First operand has 53 places, 29 transitions, 132 flow. Second operand 12 states and 1780 transitions. [2020-10-16 02:02:36,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 34 transitions, 218 flow [2020-10-16 02:02:36,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 34 transitions, 197 flow, removed 0 selfloop flow, removed 6 redundant places. [2020-10-16 02:02:36,365 INFO L241 Difference]: Finished difference. Result has 59 places, 27 transitions, 129 flow [2020-10-16 02:02:36,365 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=129, PETRI_PLACES=59, PETRI_TRANSITIONS=27} [2020-10-16 02:02:36,365 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 22 predicate places. [2020-10-16 02:02:36,365 INFO L481 AbstractCegarLoop]: Abstraction has has 59 places, 27 transitions, 129 flow [2020-10-16 02:02:36,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:02:36,366 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:36,366 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 02:02:36,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-16 02:02:36,366 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 02:02:36,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:36,367 INFO L82 PathProgramCache]: Analyzing trace with hash -149903114, now seen corresponding path program 5 times [2020-10-16 02:02:36,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:36,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450612293] [2020-10-16 02:02:36,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:36,607 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 02:02:36,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450612293] [2020-10-16 02:02:36,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:36,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-16 02:02:36,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91805221] [2020-10-16 02:02:36,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-16 02:02:36,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:36,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-16 02:02:36,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-16 02:02:36,610 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 307 [2020-10-16 02:02:36,611 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 27 transitions, 129 flow. Second operand 8 states. [2020-10-16 02:02:36,611 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:36,611 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 307 [2020-10-16 02:02:36,612 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:36,852 INFO L129 PetriNetUnfolder]: 1/34 cut-off events. [2020-10-16 02:02:36,853 INFO L130 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2020-10-16 02:02:36,853 INFO L80 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 34 events. 1/34 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 1/35 useless extension candidates. Maximal degree in co-relation 100. Up to 13 conditions per place. [2020-10-16 02:02:36,853 INFO L132 encePairwiseOnDemand]: 301/307 looper letters, 13 selfloop transitions, 5 changer transitions 5/28 dead transitions. [2020-10-16 02:02:36,854 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 28 transitions, 175 flow [2020-10-16 02:02:36,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 02:02:36,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 02:02:36,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1115 transitions. [2020-10-16 02:02:36,856 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5188459748720335 [2020-10-16 02:02:36,856 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1115 transitions. [2020-10-16 02:02:36,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1115 transitions. [2020-10-16 02:02:36,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:36,857 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1115 transitions. [2020-10-16 02:02:36,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 02:02:36,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 02:02:36,860 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 02:02:36,860 INFO L185 Difference]: Start difference. First operand has 59 places, 27 transitions, 129 flow. Second operand 7 states and 1115 transitions. [2020-10-16 02:02:36,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 28 transitions, 175 flow [2020-10-16 02:02:36,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 28 transitions, 142 flow, removed 2 selfloop flow, removed 12 redundant places. [2020-10-16 02:02:36,862 INFO L241 Difference]: Finished difference. Result has 49 places, 22 transitions, 79 flow [2020-10-16 02:02:36,862 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=79, PETRI_PLACES=49, PETRI_TRANSITIONS=22} [2020-10-16 02:02:36,862 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 12 predicate places. [2020-10-16 02:02:36,863 INFO L481 AbstractCegarLoop]: Abstraction has has 49 places, 22 transitions, 79 flow [2020-10-16 02:02:36,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-16 02:02:36,863 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:02:36,863 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 02:02:36,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-16 02:02:36,864 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 02:02:36,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:02:36,864 INFO L82 PathProgramCache]: Analyzing trace with hash 163009471, now seen corresponding path program 15 times [2020-10-16 02:02:36,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:02:36,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519814060] [2020-10-16 02:02:36,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:02:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:02:37,403 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 02:02:37,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519814060] [2020-10-16 02:02:37,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:02:37,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-16 02:02:37,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368538834] [2020-10-16 02:02:37,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 02:02:37,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:02:37,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 02:02:37,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-16 02:02:37,407 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 307 [2020-10-16 02:02:37,408 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 22 transitions, 79 flow. Second operand 12 states. [2020-10-16 02:02:37,408 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:02:37,408 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 307 [2020-10-16 02:02:37,408 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:02:37,907 INFO L129 PetriNetUnfolder]: 1/23 cut-off events. [2020-10-16 02:02:37,907 INFO L130 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2020-10-16 02:02:37,907 INFO L80 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 23 events. 1/23 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 4 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 61. Up to 6 conditions per place. [2020-10-16 02:02:37,908 INFO L132 encePairwiseOnDemand]: 297/307 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2020-10-16 02:02:37,908 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 22 transitions, 110 flow [2020-10-16 02:02:37,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-16 02:02:37,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-16 02:02:37,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1626 transitions. [2020-10-16 02:02:37,911 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.48149244891915904 [2020-10-16 02:02:37,911 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1626 transitions. [2020-10-16 02:02:37,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1626 transitions. [2020-10-16 02:02:37,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:02:37,912 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1626 transitions. [2020-10-16 02:02:37,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-16 02:02:37,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-16 02:02:37,917 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-16 02:02:37,917 INFO L185 Difference]: Start difference. First operand has 49 places, 22 transitions, 79 flow. Second operand 11 states and 1626 transitions. [2020-10-16 02:02:37,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 22 transitions, 110 flow [2020-10-16 02:02:37,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 22 transitions, 93 flow, removed 2 selfloop flow, removed 8 redundant places. [2020-10-16 02:02:37,918 INFO L241 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2020-10-16 02:02:37,919 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=307, PETRI_DIFFERENCE_MINUEND_FLOW=53, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2020-10-16 02:02:37,919 INFO L342 CegarLoopForPetriNet]: 37 programPoint places, 7 predicate places. [2020-10-16 02:02:37,919 INFO L481 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2020-10-16 02:02:37,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 02:02:37,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-16 02:02:37,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:02:37 BasicIcfg [2020-10-16 02:02:37,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 02:02:37,925 INFO L168 Benchmark]: Toolchain (without parser) took 84697.55 ms. Allocated memory was 253.8 MB in the beginning and 697.8 MB in the end (delta: 444.1 MB). Free memory was 206.5 MB in the beginning and 413.0 MB in the end (delta: -206.4 MB). Peak memory consumption was 237.6 MB. Max. memory is 14.2 GB. [2020-10-16 02:02:37,925 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 02:02:37,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1392.51 ms. Allocated memory was 253.8 MB in the beginning and 359.1 MB in the end (delta: 105.4 MB). Free memory was 206.5 MB in the beginning and 325.5 MB in the end (delta: -118.9 MB). Peak memory consumption was 110.3 MB. Max. memory is 14.2 GB. [2020-10-16 02:02:37,927 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.28 ms. Allocated memory is still 359.1 MB. Free memory was 325.5 MB in the beginning and 322.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-16 02:02:37,928 INFO L168 Benchmark]: Boogie Preprocessor took 50.26 ms. Allocated memory is still 359.1 MB. Free memory was 322.1 MB in the beginning and 318.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. [2020-10-16 02:02:37,928 INFO L168 Benchmark]: RCFGBuilder took 685.20 ms. Allocated memory is still 359.1 MB. Free memory was 318.7 MB in the beginning and 268.8 MB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 14.2 GB. [2020-10-16 02:02:37,932 INFO L168 Benchmark]: TraceAbstraction took 82479.26 ms. Allocated memory was 359.1 MB in the beginning and 697.8 MB in the end (delta: 338.7 MB). Free memory was 268.8 MB in the beginning and 413.0 MB in the end (delta: -144.2 MB). Peak memory consumption was 194.5 MB. Max. memory is 14.2 GB. [2020-10-16 02:02:37,938 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1392.51 ms. Allocated memory was 253.8 MB in the beginning and 359.1 MB in the end (delta: 105.4 MB). Free memory was 206.5 MB in the beginning and 325.5 MB in the end (delta: -118.9 MB). Peak memory consumption was 110.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 84.28 ms. Allocated memory is still 359.1 MB. Free memory was 325.5 MB in the beginning and 322.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 50.26 ms. Allocated memory is still 359.1 MB. Free memory was 322.1 MB in the beginning and 318.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.2 GB. * RCFGBuilder took 685.20 ms. Allocated memory is still 359.1 MB. Free memory was 318.7 MB in the beginning and 268.8 MB in the end (delta: 49.9 MB). Peak memory consumption was 49.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 82479.26 ms. Allocated memory was 359.1 MB in the beginning and 697.8 MB in the end (delta: 338.7 MB). Free memory was 268.8 MB in the beginning and 413.0 MB in the end (delta: -144.2 MB). Peak memory consumption was 194.5 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1395 VarBasedMoverChecksPositive, 64 VarBasedMoverChecksNegative, 5 SemBasedMoverChecksPositive, 37 SemBasedMoverChecksNegative, 22 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 47.9s, 113 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 55.2s, 141 PlacesBefore, 37 PlacesAfterwards, 143 TransitionsBefore, 34 TransitionsAfterwards, 2236 CoEnabledTransitionPairs, 8 FixpointIterations, 86 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 10 ConcurrentYvCompositions, 5 ChoiceCompositions, 153 TotalNumberOfCompositions, 5623 MoverChecksTotal - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 130 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 82.3s, OverallIterations: 26, TraceHistogramMax: 1, AutomataDifference: 15.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 55.3s, HoareTripleCheckerStatistics: 317 SDtfs, 465 SDslu, 646 SDs, 0 SdLazy, 5098 SolverSat, 405 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 23 SyntacticMatches, 33 SemanticMatches, 297 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 12.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1429occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 504 NumberOfCodeBlocks, 504 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 478 ConstructedInterpolants, 0 QuantifiedInterpolants, 216657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...