/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/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix030_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 16:48:48,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 16:48:48,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 16:48:49,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 16:48:49,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 16:48:49,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 16:48:49,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 16:48:49,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 16:48:49,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 16:48:49,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 16:48:49,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 16:48:49,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 16:48:49,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 16:48:49,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 16:48:49,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 16:48:49,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 16:48:49,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 16:48:49,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 16:48:49,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 16:48:49,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 16:48:49,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 16:48:49,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 16:48:49,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 16:48:49,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 16:48:49,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-09 16:48:49,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-09 16:48:49,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-09 16:48:49,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-09 16:48:49,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-09 16:48:49,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-09 16:48:49,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 16:48:49,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 16:48:49,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 16:48:49,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 16:48:49,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 16:48:49,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 16:48:49,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 16:48:49,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 16:48:49,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 16:48:49,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 16:48:49,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 16:48:49,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-09 16:48:49,120 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 16:48:49,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 16:48:49,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 16:48:49,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 16:48:49,122 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 16:48:49,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 16:48:49,123 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 16:48:49,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 16:48:49,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 16:48:49,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 16:48:49,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 16:48:49,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 16:48:49,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 16:48:49,125 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 16:48:49,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 16:48:49,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 16:48:49,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 16:48:49,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 16:48:49,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 16:48:49,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 16:48:49,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 16:48:49,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 16:48:49,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 16:48:49,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 16:48:49,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 16:48:49,129 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-10-09 16:48:49,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 16:48:49,129 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-09 16:48:49,129 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-09 16:48:49,129 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 16:48:49,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 16:48:49,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 16:48:49,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 16:48:49,416 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 16:48:49,419 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 16:48:49,420 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_pso.opt.i [2020-10-09 16:48:49,494 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d004200b/207d7dbb20bc4fd08a83c35836523882/FLAGa943b9bd8 [2020-10-09 16:48:50,022 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 16:48:50,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_pso.opt.i [2020-10-09 16:48:50,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d004200b/207d7dbb20bc4fd08a83c35836523882/FLAGa943b9bd8 [2020-10-09 16:48:50,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d004200b/207d7dbb20bc4fd08a83c35836523882 [2020-10-09 16:48:50,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 16:48:50,258 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 16:48:50,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 16:48:50,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 16:48:50,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 16:48:50,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 04:48:50" (1/1) ... [2020-10-09 16:48:50,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7d32a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 04:48:50, skipping insertion in model container [2020-10-09 16:48:50,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 04:48:50" (1/1) ... [2020-10-09 16:48:50,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 16:48:50,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 16:48:50,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 16:48:50,923 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 16:48:51,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 16:48:51,093 INFO L208 MainTranslator]: Completed translation [2020-10-09 16:48:51,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 04:48:51 WrapperNode [2020-10-09 16:48:51,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 16:48:51,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 16:48:51,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 16:48:51,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 16:48:51,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 04:48:51" (1/1) ... [2020-10-09 16:48:51,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 04:48:51" (1/1) ... [2020-10-09 16:48:51,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 16:48:51,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 16:48:51,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 16:48:51,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 16:48:51,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 04:48:51" (1/1) ... [2020-10-09 16:48:51,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 04:48:51" (1/1) ... [2020-10-09 16:48:51,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 04:48:51" (1/1) ... [2020-10-09 16:48:51,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 04:48:51" (1/1) ... [2020-10-09 16:48:51,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 04:48:51" (1/1) ... [2020-10-09 16:48:51,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 04:48:51" (1/1) ... [2020-10-09 16:48:51,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 04:48:51" (1/1) ... [2020-10-09 16:48:51,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 16:48:51,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 16:48:51,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 16:48:51,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 16:48:51,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 04:48:51" (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 [2020-10-09 16:48:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 16:48:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-09 16:48:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 16:48:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 16:48:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-09 16:48:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-09 16:48:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-09 16:48:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-09 16:48:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-09 16:48:51,280 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-09 16:48:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-10-09 16:48:51,280 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-10-09 16:48:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-09 16:48:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 16:48:51,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 16:48:51,283 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 16:48:53,485 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 16:48:53,486 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-09 16:48:53,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 04:48:53 BoogieIcfgContainer [2020-10-09 16:48:53,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 16:48:53,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 16:48:53,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 16:48:53,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 16:48:53,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 04:48:50" (1/3) ... [2020-10-09 16:48:53,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431117b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 04:48:53, skipping insertion in model container [2020-10-09 16:48:53,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 04:48:51" (2/3) ... [2020-10-09 16:48:53,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431117b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 04:48:53, skipping insertion in model container [2020-10-09 16:48:53,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 04:48:53" (3/3) ... [2020-10-09 16:48:53,504 INFO L111 eAbstractionObserver]: Analyzing ICFG mix030_pso.opt.i [2020-10-09 16:48:53,522 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 16:48:53,536 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-09 16:48:53,537 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 16:48:53,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,600 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,601 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,602 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,603 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,603 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,609 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,609 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,610 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,610 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,617 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,618 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,618 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,620 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,620 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,620 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,621 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,621 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,621 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,622 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,622 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,622 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,623 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,624 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,632 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,632 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,633 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,633 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,633 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,633 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,634 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,634 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,634 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,634 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,637 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,637 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,638 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,639 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,640 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,642 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,645 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,646 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,646 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,646 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,648 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 16:48:53,677 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-09 16:48:53,711 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 16:48:53,711 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-09 16:48:53,712 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 16:48:53,712 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 16:48:53,712 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 16:48:53,713 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 16:48:53,713 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 16:48:53,713 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 16:48:53,742 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 121 places, 110 transitions, 240 flow [2020-10-09 16:48:53,847 INFO L129 PetriNetUnfolder]: 2/106 cut-off events. [2020-10-09 16:48:53,848 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-09 16:48:53,857 INFO L80 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 106 events. 2/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2020-10-09 16:48:53,858 INFO L82 GeneralOperation]: Start removeDead. Operand has 121 places, 110 transitions, 240 flow [2020-10-09 16:48:53,913 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 106 transitions, 224 flow [2020-10-09 16:48:53,955 INFO L129 PetriNetUnfolder]: 0/59 cut-off events. [2020-10-09 16:48:53,960 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-09 16:48:53,961 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 16:48:53,962 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 16:48:53,963 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 16:48:53,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 16:48:53,981 INFO L82 PathProgramCache]: Analyzing trace with hash 891038332, now seen corresponding path program 1 times [2020-10-09 16:48:54,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 16:48:54,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [654714829] [2020-10-09 16:48:54,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-09 16:48:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 16:48:54,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 16:48:54,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 16:48:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:48:54,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 16:48:54,411 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:48:54,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [654714829] [2020-10-09 16:48:54,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 16:48:54,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-10-09 16:48:54,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019777632] [2020-10-09 16:48:54,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 16:48:54,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 16:48:54,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 16:48:54,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-09 16:48:54,703 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 110 [2020-10-09 16:48:54,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 106 transitions, 224 flow. Second operand 4 states. [2020-10-09 16:48:54,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 16:48:54,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 110 [2020-10-09 16:48:54,710 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 16:48:54,773 INFO L129 PetriNetUnfolder]: 0/103 cut-off events. [2020-10-09 16:48:54,773 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-09 16:48:54,774 INFO L80 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 103 events. 0/103 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 79 event pairs, 0 based on Foata normal form. 4/105 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-09 16:48:54,775 INFO L132 encePairwiseOnDemand]: 105/110 looper letters, 0 selfloop transitions, 2 changer transitions 13/103 dead transitions. [2020-10-09 16:48:54,776 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 103 transitions, 222 flow [2020-10-09 16:48:54,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 16:48:54,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-09 16:48:54,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 322 transitions. [2020-10-09 16:48:54,799 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9757575757575757 [2020-10-09 16:48:54,799 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 322 transitions. [2020-10-09 16:48:54,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 322 transitions. [2020-10-09 16:48:54,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 16:48:54,807 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 322 transitions. [2020-10-09 16:48:54,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-09 16:48:54,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-09 16:48:54,822 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-09 16:48:54,824 INFO L185 Difference]: Start difference. First operand has 117 places, 106 transitions, 224 flow. Second operand 3 states and 322 transitions. [2020-10-09 16:48:54,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 103 transitions, 222 flow [2020-10-09 16:48:54,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 103 transitions, 218 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-09 16:48:54,836 INFO L241 Difference]: Finished difference. Result has 114 places, 90 transitions, 192 flow [2020-10-09 16:48:54,839 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=114, PETRI_TRANSITIONS=90} [2020-10-09 16:48:54,840 INFO L341 CegarLoopForPetriNet]: 117 programPoint places, -3 predicate places. [2020-10-09 16:48:54,840 INFO L481 AbstractCegarLoop]: Abstraction has has 114 places, 90 transitions, 192 flow [2020-10-09 16:48:54,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 16:48:54,841 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 16:48:54,841 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 16:48:55,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-09 16:48:55,063 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 16:48:55,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 16:48:55,064 INFO L82 PathProgramCache]: Analyzing trace with hash -400508577, now seen corresponding path program 1 times [2020-10-09 16:48:55,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 16:48:55,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [79589981] [2020-10-09 16:48:55,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-09 16:48:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 16:48:55,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-09 16:48:55,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 16:48:55,258 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:48:55,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 16:48:55,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:48:55,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [79589981] [2020-10-09 16:48:55,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 16:48:55,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2020-10-09 16:48:55,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861211442] [2020-10-09 16:48:55,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-09 16:48:55,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 16:48:55,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-09 16:48:55,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-09 16:48:55,589 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 110 [2020-10-09 16:48:55,590 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 90 transitions, 192 flow. Second operand 8 states. [2020-10-09 16:48:55,591 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 16:48:55,591 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 110 [2020-10-09 16:48:55,591 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 16:48:55,807 INFO L129 PetriNetUnfolder]: 18/195 cut-off events. [2020-10-09 16:48:55,807 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-09 16:48:55,809 INFO L80 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 195 events. 18/195 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 671 event pairs, 0 based on Foata normal form. 5/198 useless extension candidates. Maximal degree in co-relation 222. Up to 15 conditions per place. [2020-10-09 16:48:55,810 INFO L132 encePairwiseOnDemand]: 103/110 looper letters, 10 selfloop transitions, 5 changer transitions 23/119 dead transitions. [2020-10-09 16:48:55,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 119 transitions, 326 flow [2020-10-09 16:48:55,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 16:48:55,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-09 16:48:55,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1328 transitions. [2020-10-09 16:48:55,815 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9286713286713286 [2020-10-09 16:48:55,815 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1328 transitions. [2020-10-09 16:48:55,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1328 transitions. [2020-10-09 16:48:55,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 16:48:55,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1328 transitions. [2020-10-09 16:48:55,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-09 16:48:55,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-09 16:48:55,823 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-09 16:48:55,823 INFO L185 Difference]: Start difference. First operand has 114 places, 90 transitions, 192 flow. Second operand 13 states and 1328 transitions. [2020-10-09 16:48:55,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 119 transitions, 326 flow [2020-10-09 16:48:55,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 119 transitions, 322 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-09 16:48:55,828 INFO L241 Difference]: Finished difference. Result has 122 places, 92 transitions, 230 flow [2020-10-09 16:48:55,829 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=230, PETRI_PLACES=122, PETRI_TRANSITIONS=92} [2020-10-09 16:48:55,830 INFO L341 CegarLoopForPetriNet]: 117 programPoint places, 5 predicate places. [2020-10-09 16:48:55,830 INFO L481 AbstractCegarLoop]: Abstraction has has 122 places, 92 transitions, 230 flow [2020-10-09 16:48:55,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-09 16:48:55,830 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 16:48:55,830 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 16:48:56,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-09 16:48:56,043 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 16:48:56,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 16:48:56,044 INFO L82 PathProgramCache]: Analyzing trace with hash 417646238, now seen corresponding path program 1 times [2020-10-09 16:48:56,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 16:48:56,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062003520] [2020-10-09 16:48:56,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-09 16:48:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 16:48:56,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-09 16:48:56,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 16:48:56,200 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:48:56,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 16:48:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:48:56,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062003520] [2020-10-09 16:48:56,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 16:48:56,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2020-10-09 16:48:56,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726908927] [2020-10-09 16:48:56,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-09 16:48:56,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 16:48:56,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-09 16:48:56,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-09 16:48:56,423 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 110 [2020-10-09 16:48:56,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 92 transitions, 230 flow. Second operand 8 states. [2020-10-09 16:48:56,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 16:48:56,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 110 [2020-10-09 16:48:56,424 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 16:48:56,528 INFO L129 PetriNetUnfolder]: 6/170 cut-off events. [2020-10-09 16:48:56,528 INFO L130 PetriNetUnfolder]: For 85/91 co-relation queries the response was YES. [2020-10-09 16:48:56,530 INFO L80 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 170 events. 6/170 cut-off events. For 85/91 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 504 event pairs, 0 based on Foata normal form. 4/172 useless extension candidates. Maximal degree in co-relation 262. Up to 13 conditions per place. [2020-10-09 16:48:56,531 INFO L132 encePairwiseOnDemand]: 104/110 looper letters, 6 selfloop transitions, 2 changer transitions 10/102 dead transitions. [2020-10-09 16:48:56,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 102 transitions, 314 flow [2020-10-09 16:48:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-09 16:48:56,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-09 16:48:56,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 920 transitions. [2020-10-09 16:48:56,535 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9292929292929293 [2020-10-09 16:48:56,535 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 920 transitions. [2020-10-09 16:48:56,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 920 transitions. [2020-10-09 16:48:56,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 16:48:56,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 920 transitions. [2020-10-09 16:48:56,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-09 16:48:56,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-09 16:48:56,540 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-09 16:48:56,540 INFO L185 Difference]: Start difference. First operand has 122 places, 92 transitions, 230 flow. Second operand 9 states and 920 transitions. [2020-10-09 16:48:56,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 102 transitions, 314 flow [2020-10-09 16:48:56,543 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 102 transitions, 272 flow, removed 21 selfloop flow, removed 9 redundant places. [2020-10-09 16:48:56,545 INFO L241 Difference]: Finished difference. Result has 119 places, 92 transitions, 232 flow [2020-10-09 16:48:56,545 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=232, PETRI_PLACES=119, PETRI_TRANSITIONS=92} [2020-10-09 16:48:56,546 INFO L341 CegarLoopForPetriNet]: 117 programPoint places, 2 predicate places. [2020-10-09 16:48:56,546 INFO L481 AbstractCegarLoop]: Abstraction has has 119 places, 92 transitions, 232 flow [2020-10-09 16:48:56,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-09 16:48:56,546 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 16:48:56,546 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 16:48:56,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-09 16:48:56,759 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 16:48:56,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 16:48:56,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1516975121, now seen corresponding path program 1 times [2020-10-09 16:48:56,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 16:48:56,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478567868] [2020-10-09 16:48:56,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-09 16:48:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 16:48:56,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-09 16:48:56,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 16:48:56,905 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:56,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:48:56,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 16:48:57,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:48:57,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478567868] [2020-10-09 16:48:57,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 16:48:57,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2020-10-09 16:48:57,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855010211] [2020-10-09 16:48:57,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-09 16:48:57,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 16:48:57,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-09 16:48:57,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-09 16:48:57,180 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 110 [2020-10-09 16:48:57,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 92 transitions, 232 flow. Second operand 8 states. [2020-10-09 16:48:57,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 16:48:57,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 110 [2020-10-09 16:48:57,182 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 16:48:57,422 INFO L129 PetriNetUnfolder]: 36/311 cut-off events. [2020-10-09 16:48:57,423 INFO L130 PetriNetUnfolder]: For 161/181 co-relation queries the response was YES. [2020-10-09 16:48:57,427 INFO L80 FinitePrefix]: Finished finitePrefix Result has 568 conditions, 311 events. 36/311 cut-off events. For 161/181 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1662 event pairs, 0 based on Foata normal form. 10/314 useless extension candidates. Maximal degree in co-relation 517. Up to 28 conditions per place. [2020-10-09 16:48:57,429 INFO L132 encePairwiseOnDemand]: 103/110 looper letters, 10 selfloop transitions, 5 changer transitions 23/121 dead transitions. [2020-10-09 16:48:57,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 121 transitions, 414 flow [2020-10-09 16:48:57,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-09 16:48:57,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-09 16:48:57,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1328 transitions. [2020-10-09 16:48:57,434 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9286713286713286 [2020-10-09 16:48:57,434 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1328 transitions. [2020-10-09 16:48:57,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1328 transitions. [2020-10-09 16:48:57,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 16:48:57,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1328 transitions. [2020-10-09 16:48:57,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-09 16:48:57,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-09 16:48:57,447 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-09 16:48:57,447 INFO L185 Difference]: Start difference. First operand has 119 places, 92 transitions, 232 flow. Second operand 13 states and 1328 transitions. [2020-10-09 16:48:57,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 121 transitions, 414 flow [2020-10-09 16:48:57,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 121 transitions, 353 flow, removed 27 selfloop flow, removed 9 redundant places. [2020-10-09 16:48:57,453 INFO L241 Difference]: Finished difference. Result has 127 places, 94 transitions, 253 flow [2020-10-09 16:48:57,453 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=253, PETRI_PLACES=127, PETRI_TRANSITIONS=94} [2020-10-09 16:48:57,454 INFO L341 CegarLoopForPetriNet]: 117 programPoint places, 10 predicate places. [2020-10-09 16:48:57,454 INFO L481 AbstractCegarLoop]: Abstraction has has 127 places, 94 transitions, 253 flow [2020-10-09 16:48:57,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-09 16:48:57,454 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 16:48:57,455 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 16:48:57,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-09 16:48:57,667 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 16:48:57,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 16:48:57,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1689143568, now seen corresponding path program 1 times [2020-10-09 16:48:57,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 16:48:57,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1137498442] [2020-10-09 16:48:57,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-09 16:48:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 16:48:57,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 16 conjunts are in the unsatisfiable core [2020-10-09 16:48:57,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 16:48:57,843 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:57,849 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:57,852 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:57,856 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:57,859 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:57,867 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:57,868 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:57,883 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:57,884 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:57,901 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:57,913 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:57,914 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:57,915 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:57,925 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:57,933 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:57,942 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:57,953 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:57,954 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:57,956 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:57,959 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:57,960 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:57,985 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-09 16:48:58,000 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:58,007 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 16:48:58,010 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,011 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,026 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:58,030 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:58,036 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,040 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-09 16:48:58,042 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-09 16:48:58,064 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-09 16:48:58,070 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-09 16:48:58,119 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-09 16:48:58,135 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-09 16:48:58,147 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-09 16:48:58,185 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-10-09 16:48:58,212 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-10-09 16:48:58,216 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-09 16:48:58,242 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-09 16:48:58,257 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 16:48:58,258 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 16:48:58,260 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 16:48:58,263 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-09 16:48:58,271 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-09 16:48:58,280 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,287 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 16:48:58,288 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 16:48:58,288 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,295 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:58,306 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 16:48:58,308 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,697 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-10-09 16:48:58,740 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 3, 3, 2, 1] term [2020-10-09 16:48:58,740 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,741 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 1] term [2020-10-09 16:48:58,741 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,744 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,745 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,746 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,749 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,750 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,752 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,754 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,756 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,758 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 4, 4, 3, 3, 2, 1] term [2020-10-09 16:48:58,759 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,760 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 4, 3, 3, 2, 1] term [2020-10-09 16:48:58,761 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,761 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 3, 3, 2, 1] term [2020-10-09 16:48:58,762 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,764 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:58,768 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,770 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:58,771 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-09 16:48:58,772 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,773 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:58,781 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-09 16:48:58,787 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-09 16:48:58,790 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-09 16:48:58,810 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-09 16:48:58,822 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-09 16:48:58,825 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:58,828 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-10-09 16:48:58,835 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-09 16:48:58,840 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-09 16:48:58,843 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-09 16:48:58,847 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:48:58,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:48:58,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 16:48:58,951 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-09 16:48:58,952 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:58,954 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:58,959 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 4, 4, 3, 3, 2, 1] term [2020-10-09 16:48:58,960 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:58,961 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 4, 3, 3, 2, 1] term [2020-10-09 16:48:58,961 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:58,970 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 3, 2, 1] term [2020-10-09 16:48:58,970 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:58,971 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 1] term [2020-10-09 16:48:58,971 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:58,973 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:58,974 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:58,974 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:58,977 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:58,980 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,111 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2020-10-09 16:48:59,120 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 3, 2, 1] term [2020-10-09 16:48:59,120 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,121 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 4, 3, 2, 1] term [2020-10-09 16:48:59,121 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,123 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 4, 3, 4, 3, 2, 1] term [2020-10-09 16:48:59,123 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,126 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 3, 2, 4, 3, 4, 3, 2, 1] term [2020-10-09 16:48:59,126 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,127 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,136 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,137 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,137 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,140 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,143 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,146 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,151 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,161 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,162 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,166 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:48:59,172 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,173 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,175 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,179 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,180 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,184 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:48:59,187 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:48:59,193 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-09 16:48:59,199 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,200 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,203 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:48:59,207 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-09 16:48:59,208 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,209 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,214 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,218 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 2 conjuncts [2020-10-09 16:48:59,218 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,219 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,224 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,228 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,228 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,233 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,238 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-09 16:48:59,240 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,244 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,245 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,249 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,253 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,257 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[6, 2, 4, 3, 3, 2, 1] term [2020-10-09 16:48:59,257 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,258 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-09 16:48:59,259 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-09 16:48:59,259 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-09 16:48:59,264 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,274 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,279 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,288 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:48:59,293 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:48:59,296 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:48:59,297 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,304 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,305 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:48:59,329 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-09 16:48:59,355 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:48:59,372 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-09 16:48:59,398 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,415 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-09 16:48:59,437 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:48:59,470 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:48:59,531 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-09 16:48:59,688 INFO L721 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-09 16:49:00,153 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-09 16:49:00,362 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:00,958 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-09 16:49:01,045 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:01,657 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-09 16:49:01,730 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:02,061 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-09 16:49:02,061 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:02,062 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:02,070 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:02,076 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:02,081 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:02,240 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-09 16:49:02,298 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:02,723 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-09 16:49:02,790 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:03,122 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-09 16:49:03,171 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:03,467 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:03,598 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-09 16:49:03,649 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:03,962 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-09 16:49:04,012 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:04,325 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-09 16:49:04,425 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:04,681 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:04,817 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-09 16:49:04,872 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:05,263 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-09 16:49:05,334 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:05,780 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-10-09 16:49:05,864 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,229 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,291 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-09 16:49:06,292 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:06,301 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:06,310 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,324 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:06,328 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,351 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-09 16:49:06,369 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,382 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:06,390 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:06,393 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,394 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 6 conjuncts [2020-10-09 16:49:06,397 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,398 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,402 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,407 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,409 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,418 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,420 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,423 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-09 16:49:06,429 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,431 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,441 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,442 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,449 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,450 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,454 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,456 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,457 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,467 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,468 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,474 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,475 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,480 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,481 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,485 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,486 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,493 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,494 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,498 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,503 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,504 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,513 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,537 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-09 16:49:06,594 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,629 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,657 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,683 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,684 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,713 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,746 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,776 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,800 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,802 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,805 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-09 16:49:06,812 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,813 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,821 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,823 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,828 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,829 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,833 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,834 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,835 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,848 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,849 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,855 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,856 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,862 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,864 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,870 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,871 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,878 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,880 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,884 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,890 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,891 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,897 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,899 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,903 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,909 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:06,911 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:06,939 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:06,980 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,016 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,044 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-09 16:49:07,060 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-09 16:49:07,099 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,106 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-09 16:49:07,116 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,123 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-09 16:49:07,134 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,155 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,156 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,159 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-09 16:49:07,165 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,166 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,172 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,173 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,177 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,178 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,182 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,183 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,184 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,194 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,195 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,200 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,201 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,205 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,207 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,211 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,212 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,218 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,219 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,222 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,228 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,229 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,235 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,236 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,239 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,244 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,245 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,266 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,295 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,320 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,341 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,352 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,353 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,357 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,358 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,361 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-09 16:49:07,362 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,363 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,366 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,367 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,369 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,371 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,372 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,374 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,385 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,387 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,391 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,393 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,396 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,398 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,405 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,406 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,415 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,416 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,420 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,422 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,424 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,426 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,427 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,433 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,434 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,437 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-09 16:49:07,448 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,449 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,452 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,453 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,456 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-09 16:49:07,457 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,458 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,460 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,462 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,463 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,466 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,467 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,468 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,480 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,481 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,486 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,487 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,491 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,492 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,499 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,501 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,507 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,508 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,511 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,512 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,515 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-10-09 16:49:07,516 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,517 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,519 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,521 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,522 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,524 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,526 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,527 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,539 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,541 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,546 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,548 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,552 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,553 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,561 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,562 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,570 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:07,573 INFO L603 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-10-09 16:49:07,573 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,585 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-09 16:49:07,595 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,602 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,603 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,614 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-09 16:49:07,624 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:07,632 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,653 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-10-09 16:49:07,705 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,738 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,775 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,805 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,806 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:07,837 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,875 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,912 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,963 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:07,994 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:08,022 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:08,044 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,045 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,046 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:08,049 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,052 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,057 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,060 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,064 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,067 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,068 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:08,074 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,075 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,076 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:08,080 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,082 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,087 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,090 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,102 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,124 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:08,154 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:08,180 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-10-09 16:49:08,199 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:08,209 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,210 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,213 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,218 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,222 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,223 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:08,226 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,231 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,232 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,234 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,239 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,243 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,244 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:08,247 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,251 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,252 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,255 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,260 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,264 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,266 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:08,269 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,273 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,291 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,292 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,295 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,300 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,304 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,305 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:08,309 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,313 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,314 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,317 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,322 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,326 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,327 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:08,331 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,336 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,337 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,340 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,344 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,348 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-10-09 16:49:08,350 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-10-09 16:49:08,354 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,358 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,524 INFO L603 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-10-09 16:49:08,543 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-09 16:49:08,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:49:08,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1137498442] [2020-10-09 16:49:08,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 16:49:08,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2020-10-09 16:49:08,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843252767] [2020-10-09 16:49:08,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-09 16:49:08,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 16:49:08,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-09 16:49:08,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-10-09 16:49:09,259 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 110 [2020-10-09 16:49:09,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 94 transitions, 253 flow. Second operand 14 states. [2020-10-09 16:49:09,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 16:49:09,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 110 [2020-10-09 16:49:09,263 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 16:49:10,548 INFO L129 PetriNetUnfolder]: 1064/2363 cut-off events. [2020-10-09 16:49:10,548 INFO L130 PetriNetUnfolder]: For 2053/2085 co-relation queries the response was YES. [2020-10-09 16:49:10,571 INFO L80 FinitePrefix]: Finished finitePrefix Result has 5369 conditions, 2363 events. 1064/2363 cut-off events. For 2053/2085 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 17763 event pairs, 83 based on Foata normal form. 48/2339 useless extension candidates. Maximal degree in co-relation 5303. Up to 970 conditions per place. [2020-10-09 16:49:10,587 INFO L132 encePairwiseOnDemand]: 96/110 looper letters, 22 selfloop transitions, 21 changer transitions 65/183 dead transitions. [2020-10-09 16:49:10,588 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 183 transitions, 757 flow [2020-10-09 16:49:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-09 16:49:10,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-09 16:49:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 2225 transitions. [2020-10-09 16:49:10,595 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8428030303030303 [2020-10-09 16:49:10,595 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 2225 transitions. [2020-10-09 16:49:10,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 2225 transitions. [2020-10-09 16:49:10,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 16:49:10,597 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 2225 transitions. [2020-10-09 16:49:10,602 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 25 states. [2020-10-09 16:49:10,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 25 states. [2020-10-09 16:49:10,607 INFO L81 ComplementDD]: Finished complementDD. Result 25 states. [2020-10-09 16:49:10,607 INFO L185 Difference]: Start difference. First operand has 127 places, 94 transitions, 253 flow. Second operand 24 states and 2225 transitions. [2020-10-09 16:49:10,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 183 transitions, 757 flow [2020-10-09 16:49:10,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 183 transitions, 661 flow, removed 48 selfloop flow, removed 9 redundant places. [2020-10-09 16:49:10,648 INFO L241 Difference]: Finished difference. Result has 149 places, 110 transitions, 404 flow [2020-10-09 16:49:10,649 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=404, PETRI_PLACES=149, PETRI_TRANSITIONS=110} [2020-10-09 16:49:10,649 INFO L341 CegarLoopForPetriNet]: 117 programPoint places, 32 predicate places. [2020-10-09 16:49:10,649 INFO L481 AbstractCegarLoop]: Abstraction has has 149 places, 110 transitions, 404 flow [2020-10-09 16:49:10,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-09 16:49:10,649 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 16:49:10,650 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 16:49:10,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-09 16:49:10,864 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 16:49:10,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 16:49:10,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1678987918, now seen corresponding path program 1 times [2020-10-09 16:49:10,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 16:49:10,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624417986] [2020-10-09 16:49:10,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-10-09 16:49:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 16:49:10,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-09 16:49:10,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 16:49:10,985 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:49:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:49:11,010 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 16:49:11,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:49:11,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624417986] [2020-10-09 16:49:11,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 16:49:11,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2020-10-09 16:49:11,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761892734] [2020-10-09 16:49:11,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-09 16:49:11,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 16:49:11,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-09 16:49:11,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-09 16:49:11,130 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 110 [2020-10-09 16:49:11,131 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 110 transitions, 404 flow. Second operand 8 states. [2020-10-09 16:49:11,131 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 16:49:11,131 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 110 [2020-10-09 16:49:11,131 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 16:49:12,098 INFO L129 PetriNetUnfolder]: 2030/4595 cut-off events. [2020-10-09 16:49:12,099 INFO L130 PetriNetUnfolder]: For 3662/3730 co-relation queries the response was YES. [2020-10-09 16:49:12,168 INFO L80 FinitePrefix]: Finished finitePrefix Result has 9973 conditions, 4595 events. 2030/4595 cut-off events. For 3662/3730 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 42598 event pairs, 84 based on Foata normal form. 164/4327 useless extension candidates. Maximal degree in co-relation 9899. Up to 1130 conditions per place. [2020-10-09 16:49:12,209 INFO L132 encePairwiseOnDemand]: 100/110 looper letters, 25 selfloop transitions, 33 changer transitions 0/157 dead transitions. [2020-10-09 16:49:12,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 157 transitions, 614 flow [2020-10-09 16:49:12,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-09 16:49:12,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-09 16:49:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1213 transitions. [2020-10-09 16:49:12,213 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.918939393939394 [2020-10-09 16:49:12,213 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1213 transitions. [2020-10-09 16:49:12,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1213 transitions. [2020-10-09 16:49:12,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 16:49:12,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1213 transitions. [2020-10-09 16:49:12,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-09 16:49:12,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-09 16:49:12,221 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-09 16:49:12,222 INFO L185 Difference]: Start difference. First operand has 149 places, 110 transitions, 404 flow. Second operand 12 states and 1213 transitions. [2020-10-09 16:49:12,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 157 transitions, 614 flow [2020-10-09 16:49:12,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 157 transitions, 578 flow, removed 16 selfloop flow, removed 14 redundant places. [2020-10-09 16:49:12,240 INFO L241 Difference]: Finished difference. Result has 135 places, 153 transitions, 589 flow [2020-10-09 16:49:12,241 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=589, PETRI_PLACES=135, PETRI_TRANSITIONS=153} [2020-10-09 16:49:12,241 INFO L341 CegarLoopForPetriNet]: 117 programPoint places, 18 predicate places. [2020-10-09 16:49:12,241 INFO L481 AbstractCegarLoop]: Abstraction has has 135 places, 153 transitions, 589 flow [2020-10-09 16:49:12,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-09 16:49:12,242 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 16:49:12,242 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 16:49:12,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-09 16:49:12,456 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 16:49:12,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 16:49:12,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1993504256, now seen corresponding path program 1 times [2020-10-09 16:49:12,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 16:49:12,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833305944] [2020-10-09 16:49:12,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-10-09 16:49:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 16:49:12,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-09 16:49:12,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 16:49:12,620 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:49:12,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:49:12,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 16:49:12,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:49:12,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833305944] [2020-10-09 16:49:12,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 16:49:12,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 10 [2020-10-09 16:49:12,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071988092] [2020-10-09 16:49:12,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-09 16:49:12,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 16:49:12,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-09 16:49:12,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-09 16:49:12,853 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 110 [2020-10-09 16:49:12,854 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 153 transitions, 589 flow. Second operand 10 states. [2020-10-09 16:49:12,854 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 16:49:12,854 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 110 [2020-10-09 16:49:12,854 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 16:49:13,653 INFO L129 PetriNetUnfolder]: 1639/3813 cut-off events. [2020-10-09 16:49:13,654 INFO L130 PetriNetUnfolder]: For 2985/7852 co-relation queries the response was YES. [2020-10-09 16:49:13,709 INFO L80 FinitePrefix]: Finished finitePrefix Result has 9758 conditions, 3813 events. 1639/3813 cut-off events. For 2985/7852 co-relation queries the response was YES. Maximal size of possible extension queue 515. Compared 35861 event pairs, 19 based on Foata normal form. 1148/4589 useless extension candidates. Maximal degree in co-relation 9691. Up to 739 conditions per place. [2020-10-09 16:49:13,735 INFO L132 encePairwiseOnDemand]: 100/110 looper letters, 12 selfloop transitions, 67 changer transitions 25/195 dead transitions. [2020-10-09 16:49:13,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 195 transitions, 942 flow [2020-10-09 16:49:13,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-09 16:49:13,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-09 16:49:13,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1805 transitions. [2020-10-09 16:49:13,741 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9116161616161617 [2020-10-09 16:49:13,741 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 1805 transitions. [2020-10-09 16:49:13,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 1805 transitions. [2020-10-09 16:49:13,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 16:49:13,743 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 1805 transitions. [2020-10-09 16:49:13,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 19 states. [2020-10-09 16:49:13,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 19 states. [2020-10-09 16:49:13,750 INFO L81 ComplementDD]: Finished complementDD. Result 19 states. [2020-10-09 16:49:13,750 INFO L185 Difference]: Start difference. First operand has 135 places, 153 transitions, 589 flow. Second operand 18 states and 1805 transitions. [2020-10-09 16:49:13,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 195 transitions, 942 flow [2020-10-09 16:49:13,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 195 transitions, 921 flow, removed 7 selfloop flow, removed 3 redundant places. [2020-10-09 16:49:13,775 INFO L241 Difference]: Finished difference. Result has 152 places, 164 transitions, 771 flow [2020-10-09 16:49:13,775 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=771, PETRI_PLACES=152, PETRI_TRANSITIONS=164} [2020-10-09 16:49:13,775 INFO L341 CegarLoopForPetriNet]: 117 programPoint places, 35 predicate places. [2020-10-09 16:49:13,776 INFO L481 AbstractCegarLoop]: Abstraction has has 152 places, 164 transitions, 771 flow [2020-10-09 16:49:13,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-09 16:49:13,776 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 16:49:13,776 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 16:49:13,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-10-09 16:49:13,993 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 16:49:13,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 16:49:13,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1298075465, now seen corresponding path program 1 times [2020-10-09 16:49:13,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 16:49:13,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968991082] [2020-10-09 16:49:13,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-10-09 16:49:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 16:49:14,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-09 16:49:14,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-09 16:49:14,226 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 16:49:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:49:14,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-09 16:49:14,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 16:49:14,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968991082] [2020-10-09 16:49:14,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-09 16:49:14,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2020-10-09 16:49:14,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348508356] [2020-10-09 16:49:14,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-09 16:49:14,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-10-09 16:49:14,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-09 16:49:14,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-09 16:49:14,516 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 110 [2020-10-09 16:49:14,516 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 164 transitions, 771 flow. Second operand 9 states. [2020-10-09 16:49:14,517 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-09 16:49:14,517 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 110 [2020-10-09 16:49:14,517 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-09 16:49:15,210 INFO L129 PetriNetUnfolder]: 2266/5859 cut-off events. [2020-10-09 16:49:15,210 INFO L130 PetriNetUnfolder]: For 5647/6326 co-relation queries the response was YES. [2020-10-09 16:49:15,276 INFO L80 FinitePrefix]: Finished finitePrefix Result has 15279 conditions, 5859 events. 2266/5859 cut-off events. For 5647/6326 co-relation queries the response was YES. Maximal size of possible extension queue 850. Compared 64529 event pairs, 34 based on Foata normal form. 1/5230 useless extension candidates. Maximal degree in co-relation 15207. Up to 1156 conditions per place. [2020-10-09 16:49:15,303 INFO L132 encePairwiseOnDemand]: 104/110 looper letters, 9 selfloop transitions, 2 changer transitions 4/169 dead transitions. [2020-10-09 16:49:15,303 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 169 transitions, 815 flow [2020-10-09 16:49:15,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 16:49:15,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-09 16:49:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 702 transitions. [2020-10-09 16:49:15,306 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9116883116883117 [2020-10-09 16:49:15,306 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 702 transitions. [2020-10-09 16:49:15,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 702 transitions. [2020-10-09 16:49:15,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-09 16:49:15,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 702 transitions. [2020-10-09 16:49:15,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-09 16:49:15,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-09 16:49:15,310 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-09 16:49:15,311 INFO L185 Difference]: Start difference. First operand has 152 places, 164 transitions, 771 flow. Second operand 7 states and 702 transitions. [2020-10-09 16:49:15,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 169 transitions, 815 flow [2020-10-09 16:49:15,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 169 transitions, 750 flow, removed 9 selfloop flow, removed 11 redundant places. [2020-10-09 16:49:15,564 INFO L241 Difference]: Finished difference. Result has 150 places, 165 transitions, 725 flow [2020-10-09 16:49:15,564 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=706, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=725, PETRI_PLACES=150, PETRI_TRANSITIONS=165} [2020-10-09 16:49:15,565 INFO L341 CegarLoopForPetriNet]: 117 programPoint places, 33 predicate places. [2020-10-09 16:49:15,565 INFO L481 AbstractCegarLoop]: Abstraction has has 150 places, 165 transitions, 725 flow [2020-10-09 16:49:15,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-09 16:49:15,565 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-09 16:49:15,565 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 16:49:15,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3 [2020-10-09 16:49:15,777 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 16:49:15,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 16:49:15,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1518596821, now seen corresponding path program 2 times [2020-10-09 16:49:15,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-10-09 16:49:15,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394547576] [2020-10-09 16:49:15,780 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-10-09 16:49:15,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-09 16:49:15,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-10-09 16:49:15,914 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 16:49:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 16:49:15,965 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 16:49:16,092 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-10-09 16:49:16,092 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 16:49:16,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 mathsat -unsat_core_generation=3 [2020-10-09 16:49:16,351 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,352 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,354 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,355 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,355 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,355 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,355 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,355 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,355 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,355 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,356 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,356 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,357 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,357 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,357 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,357 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,358 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,358 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,358 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,358 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,358 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,359 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,359 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,359 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,359 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,360 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,360 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,360 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,360 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,360 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,360 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,360 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,361 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,361 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,361 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,361 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,363 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,364 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,369 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,370 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,370 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,370 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,370 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,370 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,370 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,370 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,371 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,371 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,371 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,371 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,371 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,371 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,372 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,372 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,372 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,372 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,372 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,372 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,372 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,373 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,373 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,373 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,373 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,373 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,374 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,374 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,374 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,374 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,374 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,375 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,375 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-09 16:49:16,375 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-09 16:49:16,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 04:49:16 BasicIcfg [2020-10-09 16:49:16,513 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 16:49:16,515 INFO L168 Benchmark]: Toolchain (without parser) took 26256.60 ms. Allocated memory was 251.1 MB in the beginning and 987.8 MB in the end (delta: 736.6 MB). Free memory was 206.3 MB in the beginning and 470.5 MB in the end (delta: -264.3 MB). Peak memory consumption was 472.4 MB. Max. memory is 14.2 GB. [2020-10-09 16:49:16,515 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 16:49:16,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.13 ms. Allocated memory was 251.1 MB in the beginning and 314.6 MB in the end (delta: 63.4 MB). Free memory was 206.3 MB in the beginning and 264.6 MB in the end (delta: -58.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 14.2 GB. [2020-10-09 16:49:16,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.51 ms. Allocated memory is still 314.6 MB. Free memory was 264.6 MB in the beginning and 262.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 16:49:16,517 INFO L168 Benchmark]: Boogie Preprocessor took 39.35 ms. Allocated memory is still 314.6 MB. Free memory was 262.0 MB in the beginning and 259.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 16:49:16,518 INFO L168 Benchmark]: RCFGBuilder took 2286.13 ms. Allocated memory was 314.6 MB in the beginning and 358.6 MB in the end (delta: 44.0 MB). Free memory was 259.5 MB in the beginning and 180.6 MB in the end (delta: 78.9 MB). Peak memory consumption was 123.0 MB. Max. memory is 14.2 GB. [2020-10-09 16:49:16,519 INFO L168 Benchmark]: TraceAbstraction took 23020.33 ms. Allocated memory was 358.6 MB in the beginning and 987.8 MB in the end (delta: 629.1 MB). Free memory was 180.6 MB in the beginning and 470.5 MB in the end (delta: -289.9 MB). Peak memory consumption was 339.2 MB. Max. memory is 14.2 GB. [2020-10-09 16:49:16,523 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 251.1 MB. Free memory is still 227.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 835.13 ms. Allocated memory was 251.1 MB in the beginning and 314.6 MB in the end (delta: 63.4 MB). Free memory was 206.3 MB in the beginning and 264.6 MB in the end (delta: -58.3 MB). Peak memory consumption was 33.2 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 68.51 ms. Allocated memory is still 314.6 MB. Free memory was 264.6 MB in the beginning and 262.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 39.35 ms. Allocated memory is still 314.6 MB. Free memory was 262.0 MB in the beginning and 259.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 2286.13 ms. Allocated memory was 314.6 MB in the beginning and 358.6 MB in the end (delta: 44.0 MB). Free memory was 259.5 MB in the beginning and 180.6 MB in the end (delta: 78.9 MB). Peak memory consumption was 123.0 MB. Max. memory is 14.2 GB. * TraceAbstraction took 23020.33 ms. Allocated memory was 358.6 MB in the beginning and 987.8 MB in the end (delta: 629.1 MB). Free memory was 180.6 MB in the beginning and 470.5 MB in the end (delta: -289.9 MB). Peak memory consumption was 339.2 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L699] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L701] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0] [L703] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L705] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L706] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0] [L707] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L709] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L711] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L712] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L713] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L714] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L715] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L716] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L717] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L718] 0 _Bool y$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0] [L719] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0] [L720] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L721] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L722] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L723] 0 _Bool y$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0] [L724] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0] [L725] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L726] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L727] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L728] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L729] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L731] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L732] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L733] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L833] 0 pthread_t t813; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L834] FCALL, FORK 0 pthread_create(&t813, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L835] 0 pthread_t t814; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L836] FCALL, FORK 0 pthread_create(&t814, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L837] 0 pthread_t t815; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L838] FCALL, FORK 0 pthread_create(&t815, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L772] 3 y$w_buff1 = y$w_buff0 [L773] 3 y$w_buff0 = 2 [L774] 3 y$w_buff1_used = y$w_buff0_used [L775] 3 y$w_buff0_used = (_Bool)1 [L7] COND TRUE 3 !expression [L7] 3 __VERIFIER_error() [L777] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L778] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L779] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L780] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L781] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L782] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L785] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L839] 0 pthread_t t816; VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L840] FCALL, FORK 0 pthread_create(&t816, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L802] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L805] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L808] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L737] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L740] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L752] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L755] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L788] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L788] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L789] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L789] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L790] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L790] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L791] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L791] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L792] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L792] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L758] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L758] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L758] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L758] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L759] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L759] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L760] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L760] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L761] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L761] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L762] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L762] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L745] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L765] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L795] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L811] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L811] EXPR 4 y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y [L811] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L811] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L812] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L812] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L813] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L813] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L814] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L814] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L815] EXPR 4 y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L815] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 [L818] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L842] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L846] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L846] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L847] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L847] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L848] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L848] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L849] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L849] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L850] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L850] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L853] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L854] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L855] 0 y$flush_delayed = weak$$choice2 [L856] 0 y$mem_tmp = y [L857] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L857] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L858] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L858] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0 [L858] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0) [L858] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L858] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L859] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L859] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L860] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L860] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L860] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used) [L860] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L860] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L861] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L861] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L862] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L862] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L863] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L863] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L863] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L863] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L864] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L865] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L865] 0 y = y$flush_delayed ? y$mem_tmp : y [L866] 0 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L7] COND TRUE 0 !expression VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L7] 0 __VERIFIER_error() VAL [__unbuffered_cnt=4, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 109 locations, 2 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: UNSAFE, OverallTime: 22.6s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 78 SDtfs, 365 SDslu, 591 SDs, 0 SdLazy, 771 SolverSat, 196 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1108 GetRequests, 980 SyntacticMatches, 13 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=771occurred in iteration=7, 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: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 613 NumberOfCodeBlocks, 613 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1046 ConstructedInterpolants, 0 QuantifiedInterpolants, 249387 SizeOfPredicates, 72 NumberOfNonLiveVariables, 1558 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...