/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe022_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 01:42:33,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 01:42:33,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 01:42:33,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 01:42:33,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 01:42:33,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 01:42:33,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 01:42:33,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 01:42:33,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 01:42:33,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 01:42:33,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 01:42:33,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 01:42:33,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 01:42:33,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 01:42:33,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 01:42:33,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 01:42:33,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 01:42:33,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 01:42:33,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 01:42:33,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 01:42:33,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 01:42:33,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 01:42:33,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 01:42:33,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 01:42:33,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 01:42:33,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 01:42:33,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 01:42:33,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 01:42:33,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 01:42:33,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 01:42:33,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 01:42:33,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 01:42:33,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 01:42:33,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 01:42:33,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 01:42:33,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 01:42:33,167 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2020-10-16 01:42:33,189 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 01:42:33,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 01:42:33,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 01:42:33,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 01:42:33,191 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 01:42:33,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 01:42:33,191 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 01:42:33,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 01:42:33,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 01:42:33,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 01:42:33,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 01:42:33,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 01:42:33,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 01:42:33,192 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 01:42:33,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 01:42:33,193 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 01:42:33,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 01:42:33,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 01:42:33,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 01:42:33,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 01:42:33,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 01:42:33,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 01:42:33,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 01:42:33,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 01:42:33,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 01:42:33,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 01:42:33,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 01:42:33,195 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 01:42:33,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 01:42:33,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 01:42:33,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 01:42:33,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 01:42:33,532 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 01:42:33,532 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 01:42:33,533 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_rmo.opt.i [2020-10-16 01:42:33,601 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66ed594f6/22eb79484dbf46c2963ee16466dea7f7/FLAG052b6601f [2020-10-16 01:42:34,130 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 01:42:34,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_rmo.opt.i [2020-10-16 01:42:34,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66ed594f6/22eb79484dbf46c2963ee16466dea7f7/FLAG052b6601f [2020-10-16 01:42:34,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66ed594f6/22eb79484dbf46c2963ee16466dea7f7 [2020-10-16 01:42:34,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 01:42:34,463 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 01:42:34,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 01:42:34,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 01:42:34,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 01:42:34,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:42:34" (1/1) ... [2020-10-16 01:42:34,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e3f8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:42:34, skipping insertion in model container [2020-10-16 01:42:34,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:42:34" (1/1) ... [2020-10-16 01:42:34,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 01:42:34,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 01:42:35,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:42:35,020 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 01:42:35,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:42:35,206 INFO L208 MainTranslator]: Completed translation [2020-10-16 01:42:35,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:42:35 WrapperNode [2020-10-16 01:42:35,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 01:42:35,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 01:42:35,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 01:42:35,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 01:42:35,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:42:35" (1/1) ... [2020-10-16 01:42:35,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:42:35" (1/1) ... [2020-10-16 01:42:35,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 01:42:35,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 01:42:35,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 01:42:35,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 01:42:35,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:42:35" (1/1) ... [2020-10-16 01:42:35,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:42:35" (1/1) ... [2020-10-16 01:42:35,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:42:35" (1/1) ... [2020-10-16 01:42:35,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:42:35" (1/1) ... [2020-10-16 01:42:35,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:42:35" (1/1) ... [2020-10-16 01:42:35,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:42:35" (1/1) ... [2020-10-16 01:42:35,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:42:35" (1/1) ... [2020-10-16 01:42:35,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 01:42:35,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 01:42:35,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 01:42:35,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 01:42:35,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:42:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 01:42:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 01:42:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 01:42:35,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 01:42:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 01:42:35,425 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 01:42:35,426 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 01:42:35,426 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 01:42:35,426 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 01:42:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 01:42:35,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 01:42:35,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 01:42:35,432 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 01:42:37,288 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 01:42:37,289 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 01:42:37,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:42:37 BoogieIcfgContainer [2020-10-16 01:42:37,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 01:42:37,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 01:42:37,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 01:42:37,297 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 01:42:37,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:42:34" (1/3) ... [2020-10-16 01:42:37,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a5fcfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:42:37, skipping insertion in model container [2020-10-16 01:42:37,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:42:35" (2/3) ... [2020-10-16 01:42:37,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a5fcfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:42:37, skipping insertion in model container [2020-10-16 01:42:37,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:42:37" (3/3) ... [2020-10-16 01:42:37,300 INFO L111 eAbstractionObserver]: Analyzing ICFG safe022_rmo.opt.i [2020-10-16 01:42:37,313 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 01:42:37,322 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 01:42:37,323 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 01:42:37,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,353 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,354 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,354 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,355 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,355 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,356 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,357 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,358 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,358 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,359 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,359 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,359 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,360 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,361 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,362 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,363 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,363 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,363 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,363 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,363 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,363 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,364 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,365 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,368 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,369 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,370 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,370 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,370 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,371 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,376 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,377 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,377 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,385 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,388 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,389 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:42:37,409 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 01:42:37,430 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 01:42:37,431 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 01:42:37,431 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 01:42:37,431 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 01:42:37,431 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 01:42:37,431 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 01:42:37,431 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 01:42:37,432 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 01:42:37,445 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 81 places, 76 transitions, 162 flow [2020-10-16 01:42:37,482 INFO L129 PetriNetUnfolder]: 2/74 cut-off events. [2020-10-16 01:42:37,483 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:42:37,487 INFO L80 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 74 events. 2/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2020-10-16 01:42:37,488 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 76 transitions, 162 flow [2020-10-16 01:42:37,494 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 74 transitions, 154 flow [2020-10-16 01:42:37,498 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 01:42:37,501 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 74 transitions, 154 flow [2020-10-16 01:42:37,505 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 74 transitions, 154 flow [2020-10-16 01:42:37,505 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 74 transitions, 154 flow [2020-10-16 01:42:37,524 INFO L129 PetriNetUnfolder]: 2/74 cut-off events. [2020-10-16 01:42:37,525 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:42:37,525 INFO L80 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 74 events. 2/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2020-10-16 01:42:37,528 INFO L117 LiptonReduction]: Number of co-enabled transitions 896 [2020-10-16 01:42:37,589 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:37,590 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:37,591 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:37,592 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:37,596 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:37,597 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:37,601 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:37,601 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:37,630 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:37,631 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:37,632 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:37,633 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:37,637 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:37,637 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:37,641 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:37,642 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:38,174 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 01:42:38,288 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:38,289 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:38,290 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:38,290 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:38,294 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:38,294 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:38,297 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:38,297 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:38,318 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:38,318 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:38,319 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:38,320 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:38,323 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:38,323 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:38,326 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:38,326 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:38,368 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-16 01:42:38,368 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:38,483 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:38,483 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:38,484 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:38,485 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:38,487 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:38,487 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:38,490 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:38,490 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:38,508 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:38,508 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:38,509 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:38,510 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:38,512 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:38,512 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:38,514 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:38,515 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:38,667 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-10-16 01:42:38,856 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:38,857 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:38,858 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:38,858 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:38,860 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:38,861 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:38,863 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:38,863 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:38,879 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:38,880 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:38,881 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:38,881 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:38,883 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:38,884 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:38,886 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:38,886 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:38,947 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-16 01:42:38,948 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:39,061 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:42:39,061 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,063 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,063 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,064 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,064 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,178 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:42:39,179 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,180 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,180 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,181 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,181 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,281 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,282 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:42:39,287 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:42:39,288 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,343 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:39,344 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:39,354 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,354 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:42:39,360 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,360 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:42:39,364 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,364 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:42:39,369 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:42:39,369 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,371 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,371 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,376 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,377 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,529 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:39,530 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:39,536 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,537 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:42:39,543 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,545 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:42:39,546 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,547 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:42:39,551 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:42:39,552 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,555 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,555 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,557 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,558 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,629 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,629 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:42:39,633 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:42:39,634 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,818 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:42:39,819 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,820 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,821 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,822 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:42:39,823 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:39,894 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 2, 1] term [2020-10-16 01:42:39,894 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:40,091 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-16 01:42:40,216 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-16 01:42:40,404 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:40,405 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:40,406 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:40,406 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:40,408 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:40,408 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:40,409 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:40,410 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:40,422 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:40,422 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:40,423 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:40,424 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:40,425 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:40,426 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:40,427 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:40,428 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:40,646 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:40,647 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:40,648 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:40,649 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:40,652 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:40,652 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:40,655 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:40,655 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:42:40,678 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:40,678 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:40,680 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:40,680 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:42:40,683 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:42:40,684 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:40,687 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:42:40,688 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:42:41,346 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-10-16 01:42:41,445 INFO L132 LiptonReduction]: Checked pairs total: 2385 [2020-10-16 01:42:41,446 INFO L134 LiptonReduction]: Total number of compositions: 66 [2020-10-16 01:42:41,449 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3954 [2020-10-16 01:42:41,455 INFO L129 PetriNetUnfolder]: 0/4 cut-off events. [2020-10-16 01:42:41,455 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:42:41,455 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:42:41,456 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 01:42:41,457 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:42:41,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:42:41,463 INFO L82 PathProgramCache]: Analyzing trace with hash 899491, now seen corresponding path program 1 times [2020-10-16 01:42:41,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:42:41,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888587879] [2020-10-16 01:42:41,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:42:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:42:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:42:41,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888587879] [2020-10-16 01:42:41,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:42:41,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 01:42:41,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867316113] [2020-10-16 01:42:41,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 01:42:41,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:42:41,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 01:42:41,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 01:42:41,758 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 142 [2020-10-16 01:42:41,762 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 19 transitions, 44 flow. Second operand 3 states. [2020-10-16 01:42:41,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:42:41,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 142 [2020-10-16 01:42:41,765 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:42:41,843 INFO L129 PetriNetUnfolder]: 16/64 cut-off events. [2020-10-16 01:42:41,844 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:42:41,845 INFO L80 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 64 events. 16/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 226 event pairs, 11 based on Foata normal form. 9/66 useless extension candidates. Maximal degree in co-relation 97. Up to 27 conditions per place. [2020-10-16 01:42:41,847 INFO L132 encePairwiseOnDemand]: 138/142 looper letters, 7 selfloop transitions, 2 changer transitions 0/20 dead transitions. [2020-10-16 01:42:41,847 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 20 transitions, 64 flow [2020-10-16 01:42:41,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 01:42:41,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 01:42:41,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2020-10-16 01:42:41,871 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.823943661971831 [2020-10-16 01:42:41,872 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2020-10-16 01:42:41,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2020-10-16 01:42:41,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:42:41,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2020-10-16 01:42:41,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 01:42:41,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 01:42:41,897 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 01:42:41,899 INFO L185 Difference]: Start difference. First operand has 25 places, 19 transitions, 44 flow. Second operand 3 states and 351 transitions. [2020-10-16 01:42:41,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 20 transitions, 64 flow [2020-10-16 01:42:41,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 20 transitions, 62 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 01:42:41,910 INFO L241 Difference]: Finished difference. Result has 24 places, 17 transitions, 42 flow [2020-10-16 01:42:41,913 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=42, PETRI_PLACES=24, PETRI_TRANSITIONS=17} [2020-10-16 01:42:41,914 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, -1 predicate places. [2020-10-16 01:42:41,914 INFO L481 AbstractCegarLoop]: Abstraction has has 24 places, 17 transitions, 42 flow [2020-10-16 01:42:41,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 01:42:41,915 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:42:41,915 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:42:41,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 01:42:41,915 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:42:41,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:42:41,916 INFO L82 PathProgramCache]: Analyzing trace with hash 445017686, now seen corresponding path program 1 times [2020-10-16 01:42:41,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:42:41,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228479891] [2020-10-16 01:42:41,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:42:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:42:42,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:42:42,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228479891] [2020-10-16 01:42:42,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:42:42,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 01:42:42,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95824695] [2020-10-16 01:42:42,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 01:42:42,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:42:42,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 01:42:42,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 01:42:42,024 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 142 [2020-10-16 01:42:42,025 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 17 transitions, 42 flow. Second operand 4 states. [2020-10-16 01:42:42,025 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:42:42,025 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 142 [2020-10-16 01:42:42,025 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:42:42,063 INFO L129 PetriNetUnfolder]: 1/28 cut-off events. [2020-10-16 01:42:42,063 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:42:42,063 INFO L80 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 28 events. 1/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 42 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 38. Up to 5 conditions per place. [2020-10-16 01:42:42,064 INFO L132 encePairwiseOnDemand]: 138/142 looper letters, 2 selfloop transitions, 2 changer transitions 5/21 dead transitions. [2020-10-16 01:42:42,064 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 21 transitions, 68 flow [2020-10-16 01:42:42,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:42:42,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:42:42,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 556 transitions. [2020-10-16 01:42:42,067 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7830985915492957 [2020-10-16 01:42:42,067 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 556 transitions. [2020-10-16 01:42:42,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 556 transitions. [2020-10-16 01:42:42,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:42:42,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 556 transitions. [2020-10-16 01:42:42,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:42:42,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:42:42,072 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:42:42,072 INFO L185 Difference]: Start difference. First operand has 24 places, 17 transitions, 42 flow. Second operand 5 states and 556 transitions. [2020-10-16 01:42:42,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 21 transitions, 68 flow [2020-10-16 01:42:42,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 21 transitions, 64 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 01:42:42,074 INFO L241 Difference]: Finished difference. Result has 29 places, 16 transitions, 48 flow [2020-10-16 01:42:42,074 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=48, PETRI_PLACES=29, PETRI_TRANSITIONS=16} [2020-10-16 01:42:42,075 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, 4 predicate places. [2020-10-16 01:42:42,075 INFO L481 AbstractCegarLoop]: Abstraction has has 29 places, 16 transitions, 48 flow [2020-10-16 01:42:42,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 01:42:42,075 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:42:42,075 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:42:42,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 01:42:42,076 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:42:42,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:42:42,076 INFO L82 PathProgramCache]: Analyzing trace with hash 917973845, now seen corresponding path program 1 times [2020-10-16 01:42:42,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:42:42,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779573412] [2020-10-16 01:42:42,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:42:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:42:42,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:42:42,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779573412] [2020-10-16 01:42:42,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:42:42,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 01:42:42,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039751565] [2020-10-16 01:42:42,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 01:42:42,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:42:42,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 01:42:42,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 01:42:42,178 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 142 [2020-10-16 01:42:42,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 16 transitions, 48 flow. Second operand 5 states. [2020-10-16 01:42:42,178 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:42:42,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 142 [2020-10-16 01:42:42,179 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:42:42,239 INFO L129 PetriNetUnfolder]: 1/26 cut-off events. [2020-10-16 01:42:42,239 INFO L130 PetriNetUnfolder]: For 7/9 co-relation queries the response was YES. [2020-10-16 01:42:42,239 INFO L80 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 26 events. 1/26 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 67 event pairs, 0 based on Foata normal form. 3/29 useless extension candidates. Maximal degree in co-relation 46. Up to 6 conditions per place. [2020-10-16 01:42:42,240 INFO L132 encePairwiseOnDemand]: 137/142 looper letters, 2 selfloop transitions, 3 changer transitions 4/20 dead transitions. [2020-10-16 01:42:42,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 20 transitions, 81 flow [2020-10-16 01:42:42,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 01:42:42,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 01:42:42,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 641 transitions. [2020-10-16 01:42:42,243 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7523474178403756 [2020-10-16 01:42:42,243 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 641 transitions. [2020-10-16 01:42:42,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 641 transitions. [2020-10-16 01:42:42,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:42:42,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 641 transitions. [2020-10-16 01:42:42,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 01:42:42,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 01:42:42,247 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 01:42:42,247 INFO L185 Difference]: Start difference. First operand has 29 places, 16 transitions, 48 flow. Second operand 6 states and 641 transitions. [2020-10-16 01:42:42,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 20 transitions, 81 flow [2020-10-16 01:42:42,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 20 transitions, 71 flow, removed 2 selfloop flow, removed 4 redundant places. [2020-10-16 01:42:42,249 INFO L241 Difference]: Finished difference. Result has 31 places, 16 transitions, 58 flow [2020-10-16 01:42:42,249 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=58, PETRI_PLACES=31, PETRI_TRANSITIONS=16} [2020-10-16 01:42:42,249 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, 6 predicate places. [2020-10-16 01:42:42,250 INFO L481 AbstractCegarLoop]: Abstraction has has 31 places, 16 transitions, 58 flow [2020-10-16 01:42:42,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 01:42:42,250 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:42:42,250 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:42:42,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 01:42:42,250 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:42:42,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:42:42,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1072905611, now seen corresponding path program 1 times [2020-10-16 01:42:42,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:42:42,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123823343] [2020-10-16 01:42:42,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:42:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:42:42,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:42:42,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123823343] [2020-10-16 01:42:42,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:42:42,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 01:42:42,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469814278] [2020-10-16 01:42:42,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 01:42:42,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:42:42,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 01:42:42,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 01:42:42,343 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 142 [2020-10-16 01:42:42,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 16 transitions, 58 flow. Second operand 4 states. [2020-10-16 01:42:42,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:42:42,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 142 [2020-10-16 01:42:42,344 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:42:42,380 INFO L129 PetriNetUnfolder]: 6/33 cut-off events. [2020-10-16 01:42:42,381 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2020-10-16 01:42:42,381 INFO L80 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 33 events. 6/33 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 68 event pairs, 1 based on Foata normal form. 4/35 useless extension candidates. Maximal degree in co-relation 67. Up to 11 conditions per place. [2020-10-16 01:42:42,382 INFO L132 encePairwiseOnDemand]: 137/142 looper letters, 5 selfloop transitions, 4 changer transitions 1/21 dead transitions. [2020-10-16 01:42:42,382 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 21 transitions, 88 flow [2020-10-16 01:42:42,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 01:42:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-16 01:42:42,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 452 transitions. [2020-10-16 01:42:42,385 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.795774647887324 [2020-10-16 01:42:42,385 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 452 transitions. [2020-10-16 01:42:42,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 452 transitions. [2020-10-16 01:42:42,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:42:42,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 452 transitions. [2020-10-16 01:42:42,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-16 01:42:42,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-16 01:42:42,388 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-16 01:42:42,388 INFO L185 Difference]: Start difference. First operand has 31 places, 16 transitions, 58 flow. Second operand 4 states and 452 transitions. [2020-10-16 01:42:42,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 21 transitions, 88 flow [2020-10-16 01:42:42,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 21 transitions, 72 flow, removed 4 selfloop flow, removed 6 redundant places. [2020-10-16 01:42:42,390 INFO L241 Difference]: Finished difference. Result has 28 places, 18 transitions, 68 flow [2020-10-16 01:42:42,390 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=68, PETRI_PLACES=28, PETRI_TRANSITIONS=18} [2020-10-16 01:42:42,390 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, 3 predicate places. [2020-10-16 01:42:42,391 INFO L481 AbstractCegarLoop]: Abstraction has has 28 places, 18 transitions, 68 flow [2020-10-16 01:42:42,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 01:42:42,391 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:42:42,391 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:42:42,391 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 01:42:42,391 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:42:42,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:42:42,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1794266, now seen corresponding path program 1 times [2020-10-16 01:42:42,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:42:42,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839216377] [2020-10-16 01:42:42,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:42:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:42:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:42:42,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839216377] [2020-10-16 01:42:42,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:42:42,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 01:42:42,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449938810] [2020-10-16 01:42:42,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 01:42:42,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:42:42,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 01:42:42,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 01:42:42,518 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 142 [2020-10-16 01:42:42,519 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 18 transitions, 68 flow. Second operand 5 states. [2020-10-16 01:42:42,519 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:42:42,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 142 [2020-10-16 01:42:42,519 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:42:42,567 INFO L129 PetriNetUnfolder]: 2/22 cut-off events. [2020-10-16 01:42:42,568 INFO L130 PetriNetUnfolder]: For 12/18 co-relation queries the response was YES. [2020-10-16 01:42:42,568 INFO L80 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 22 events. 2/22 cut-off events. For 12/18 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 17 event pairs, 0 based on Foata normal form. 5/26 useless extension candidates. Maximal degree in co-relation 51. Up to 8 conditions per place. [2020-10-16 01:42:42,569 INFO L132 encePairwiseOnDemand]: 137/142 looper letters, 1 selfloop transitions, 6 changer transitions 1/19 dead transitions. [2020-10-16 01:42:42,569 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 19 transitions, 89 flow [2020-10-16 01:42:42,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:42:42,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:42:42,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 560 transitions. [2020-10-16 01:42:42,572 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7887323943661971 [2020-10-16 01:42:42,572 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 560 transitions. [2020-10-16 01:42:42,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 560 transitions. [2020-10-16 01:42:42,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:42:42,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 560 transitions. [2020-10-16 01:42:42,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:42:42,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:42:42,576 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:42:42,576 INFO L185 Difference]: Start difference. First operand has 28 places, 18 transitions, 68 flow. Second operand 5 states and 560 transitions. [2020-10-16 01:42:42,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 19 transitions, 89 flow [2020-10-16 01:42:42,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 19 transitions, 76 flow, removed 2 selfloop flow, removed 3 redundant places. [2020-10-16 01:42:42,578 INFO L241 Difference]: Finished difference. Result has 31 places, 18 transitions, 80 flow [2020-10-16 01:42:42,578 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=80, PETRI_PLACES=31, PETRI_TRANSITIONS=18} [2020-10-16 01:42:42,579 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, 6 predicate places. [2020-10-16 01:42:42,579 INFO L481 AbstractCegarLoop]: Abstraction has has 31 places, 18 transitions, 80 flow [2020-10-16 01:42:42,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 01:42:42,579 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:42:42,579 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:42:42,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 01:42:42,580 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:42:42,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:42:42,580 INFO L82 PathProgramCache]: Analyzing trace with hash 499624072, now seen corresponding path program 1 times [2020-10-16 01:42:42,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:42:42,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61563225] [2020-10-16 01:42:42,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:42:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:42:42,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:42:42,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61563225] [2020-10-16 01:42:42,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:42:42,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 01:42:42,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059999638] [2020-10-16 01:42:42,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 01:42:42,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:42:42,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 01:42:42,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-16 01:42:42,910 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 142 [2020-10-16 01:42:42,911 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 18 transitions, 80 flow. Second operand 7 states. [2020-10-16 01:42:42,911 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:42:42,911 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 142 [2020-10-16 01:42:42,911 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:42:43,057 INFO L129 PetriNetUnfolder]: 3/31 cut-off events. [2020-10-16 01:42:43,057 INFO L130 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2020-10-16 01:42:43,058 INFO L80 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 31 events. 3/31 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 1/32 useless extension candidates. Maximal degree in co-relation 83. Up to 12 conditions per place. [2020-10-16 01:42:43,059 INFO L132 encePairwiseOnDemand]: 135/142 looper letters, 5 selfloop transitions, 4 changer transitions 4/23 dead transitions. [2020-10-16 01:42:43,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 23 transitions, 122 flow [2020-10-16 01:42:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-16 01:42:43,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-16 01:42:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 678 transitions. [2020-10-16 01:42:43,062 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.596830985915493 [2020-10-16 01:42:43,062 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 678 transitions. [2020-10-16 01:42:43,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 678 transitions. [2020-10-16 01:42:43,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:42:43,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 678 transitions. [2020-10-16 01:42:43,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-10-16 01:42:43,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 9 states. [2020-10-16 01:42:43,066 INFO L81 ComplementDD]: Finished complementDD. Result 9 states. [2020-10-16 01:42:43,066 INFO L185 Difference]: Start difference. First operand has 31 places, 18 transitions, 80 flow. Second operand 8 states and 678 transitions. [2020-10-16 01:42:43,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 23 transitions, 122 flow [2020-10-16 01:42:43,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 23 transitions, 86 flow, removed 8 selfloop flow, removed 7 redundant places. [2020-10-16 01:42:43,068 INFO L241 Difference]: Finished difference. Result has 34 places, 18 transitions, 66 flow [2020-10-16 01:42:43,069 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=66, PETRI_PLACES=34, PETRI_TRANSITIONS=18} [2020-10-16 01:42:43,069 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, 9 predicate places. [2020-10-16 01:42:43,069 INFO L481 AbstractCegarLoop]: Abstraction has has 34 places, 18 transitions, 66 flow [2020-10-16 01:42:43,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 01:42:43,069 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:42:43,069 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:42:43,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 01:42:43,070 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:42:43,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:42:43,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1728331256, now seen corresponding path program 2 times [2020-10-16 01:42:43,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:42:43,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446719622] [2020-10-16 01:42:43,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:42:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:42:43,163 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:42:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:42:43,207 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:42:43,238 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 01:42:43,239 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 01:42:43,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 01:42:43,258 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,258 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,259 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,260 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,260 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,260 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,260 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,260 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,261 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,261 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,261 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,261 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,261 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,261 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,262 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,262 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,262 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,262 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,263 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,263 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,263 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,263 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,263 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,263 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,264 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,264 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,264 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,264 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,265 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,265 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,265 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,265 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,265 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,266 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,266 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,266 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,266 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,266 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,266 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,267 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,267 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,267 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,267 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,267 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,268 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,268 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,269 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,269 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,269 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,269 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,269 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,269 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,269 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,270 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,270 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:42:43,270 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:42:43,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:42:43 BasicIcfg [2020-10-16 01:42:43,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 01:42:43,329 INFO L168 Benchmark]: Toolchain (without parser) took 8866.82 ms. Allocated memory was 250.1 MB in the beginning and 515.9 MB in the end (delta: 265.8 MB). Free memory was 204.6 MB in the beginning and 450.4 MB in the end (delta: -245.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 14.2 GB. [2020-10-16 01:42:43,330 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 250.1 MB. Free memory was 228.1 MB in the beginning and 227.3 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. [2020-10-16 01:42:43,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.05 ms. Allocated memory was 250.1 MB in the beginning and 309.9 MB in the end (delta: 59.8 MB). Free memory was 204.6 MB in the beginning and 261.5 MB in the end (delta: -56.9 MB). Peak memory consumption was 30.6 MB. Max. memory is 14.2 GB. [2020-10-16 01:42:43,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.63 ms. Allocated memory is still 309.9 MB. Free memory was 261.5 MB in the beginning and 258.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.2 GB. [2020-10-16 01:42:43,333 INFO L168 Benchmark]: Boogie Preprocessor took 35.59 ms. Allocated memory is still 309.9 MB. Free memory was 258.9 MB in the beginning and 256.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 01:42:43,334 INFO L168 Benchmark]: RCFGBuilder took 1963.29 ms. Allocated memory was 309.9 MB in the beginning and 356.0 MB in the end (delta: 46.1 MB). Free memory was 256.4 MB in the beginning and 216.4 MB in the end (delta: 40.0 MB). Peak memory consumption was 100.4 MB. Max. memory is 14.2 GB. [2020-10-16 01:42:43,336 INFO L168 Benchmark]: TraceAbstraction took 6034.12 ms. Allocated memory was 356.0 MB in the beginning and 515.9 MB in the end (delta: 159.9 MB). Free memory was 216.4 MB in the beginning and 450.4 MB in the end (delta: -234.0 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 01:42:43,343 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 250.1 MB. Free memory was 228.1 MB in the beginning and 227.3 MB in the end (delta: 839.0 kB). Peak memory consumption was 839.0 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 744.05 ms. Allocated memory was 250.1 MB in the beginning and 309.9 MB in the end (delta: 59.8 MB). Free memory was 204.6 MB in the beginning and 261.5 MB in the end (delta: -56.9 MB). Peak memory consumption was 30.6 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 83.63 ms. Allocated memory is still 309.9 MB. Free memory was 261.5 MB in the beginning and 258.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 35.59 ms. Allocated memory is still 309.9 MB. Free memory was 258.9 MB in the beginning and 256.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 1963.29 ms. Allocated memory was 309.9 MB in the beginning and 356.0 MB in the end (delta: 46.1 MB). Free memory was 256.4 MB in the beginning and 216.4 MB in the end (delta: 40.0 MB). Peak memory consumption was 100.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 6034.12 ms. Allocated memory was 356.0 MB in the beginning and 515.9 MB in the end (delta: 159.9 MB). Free memory was 216.4 MB in the beginning and 450.4 MB in the end (delta: -234.0 MB). There was no memory consumed. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 613 VarBasedMoverChecksPositive, 51 VarBasedMoverChecksNegative, 15 SemBasedMoverChecksPositive, 36 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.5s, 74 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.9s, 79 PlacesBefore, 25 PlacesAfterwards, 74 TransitionsBefore, 19 TransitionsAfterwards, 896 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 66 TotalNumberOfCompositions, 2385 MoverChecksTotal - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L697] 0 int __unbuffered_cnt = 0; [L699] 0 int __unbuffered_p1_EAX = 0; [L701] 0 int __unbuffered_p1_EBX = 0; [L702] 0 _Bool main$tmp_guard0; [L703] 0 _Bool main$tmp_guard1; [L705] 0 int x = 0; [L707] 0 int y = 0; [L708] 0 _Bool y$flush_delayed; [L709] 0 int y$mem_tmp; [L710] 0 _Bool y$r_buff0_thd0; [L711] 0 _Bool y$r_buff0_thd1; [L712] 0 _Bool y$r_buff0_thd2; [L713] 0 _Bool y$r_buff1_thd0; [L714] 0 _Bool y$r_buff1_thd1; [L715] 0 _Bool y$r_buff1_thd2; [L716] 0 _Bool y$read_delayed; [L717] 0 int *y$read_delayed_var; [L718] 0 int y$w_buff0; [L719] 0 _Bool y$w_buff0_used; [L720] 0 int y$w_buff1; [L721] 0 _Bool y$w_buff1_used; [L722] 0 _Bool weak$$choice0; [L723] 0 _Bool weak$$choice2; [L796] 0 pthread_t t2315; [L797] FCALL, FORK 0 pthread_create(&t2315, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L798] 0 pthread_t t2316; [L799] FCALL, FORK 0 pthread_create(&t2316, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L727] 1 y$w_buff1 = y$w_buff0 [L728] 1 y$w_buff0 = 1 [L729] 1 y$w_buff1_used = y$w_buff0_used [L730] 1 y$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L732] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L733] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L734] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L735] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$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=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L738] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=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=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L755] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=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=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L758] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L759] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L760] 2 y$flush_delayed = weak$$choice2 [L761] 2 y$mem_tmp = y [L762] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L762] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L763] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L763] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L764] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L764] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L764] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L764] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L765] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L765] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L765] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L765] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L766] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L766] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L767] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L767] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L768] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L768] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L768] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L768] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L768] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L768] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L769] 2 __unbuffered_p1_EBX = y [L770] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L770] 2 y = y$flush_delayed ? y$mem_tmp : y [L771] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L774] 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) [L774] 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) [L775] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L775] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L776] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L776] 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 [L777] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L777] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L778] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L778] 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 [L741] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L741] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L742] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L742] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L743] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L743] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L744] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L744] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L745] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L745] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L748] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L750] 1 return 0; [L781] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L783] 2 return 0; [L801] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) [L805] 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) [L805] 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) [L806] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L806] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L807] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L807] 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 [L808] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L808] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L809] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L809] 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 [L812] 0 main$tmp_guard1 = !(__unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 75 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: 5.8s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 23 SDtfs, 16 SDslu, 21 SDs, 0 SdLazy, 94 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 2756 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...