/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/mix034_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 01:24:10,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 01:24:10,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 01:24:10,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 01:24:10,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 01:24:10,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 01:24:10,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 01:24:10,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 01:24:10,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 01:24:10,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 01:24:10,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 01:24:10,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 01:24:10,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 01:24:10,454 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 01:24:10,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 01:24:10,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 01:24:10,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 01:24:10,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 01:24:10,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 01:24:10,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 01:24:10,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 01:24:10,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 01:24:10,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 01:24:10,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 01:24:10,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 01:24:10,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 01:24:10,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 01:24:10,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 01:24:10,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 01:24:10,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 01:24:10,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 01:24:10,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 01:24:10,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 01:24:10,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 01:24:10,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 01:24:10,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 01:24:10,500 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 01:24:10,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 01:24:10,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 01:24:10,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 01:24:10,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 01:24:10,523 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 01:24:10,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 01:24:10,524 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 01:24:10,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 01:24:10,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 01:24:10,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 01:24:10,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 01:24:10,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 01:24:10,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 01:24:10,525 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 01:24:10,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 01:24:10,525 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 01:24:10,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 01:24:10,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 01:24:10,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 01:24:10,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 01:24:10,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 01:24:10,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 01:24:10,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 01:24:10,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 01:24:10,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 01:24:10,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 01:24:10,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 01:24:10,528 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 01:24:10,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 01:24:10,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 01:24:10,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 01:24:10,820 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 01:24:10,821 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 01:24:10,823 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 01:24:10,824 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix034_tso.opt.i [2020-10-16 01:24:10,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4aa0eed/464b15b0a3654c32978435f43e6cc93f/FLAGf3017cdeb [2020-10-16 01:24:11,423 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 01:24:11,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix034_tso.opt.i [2020-10-16 01:24:11,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4aa0eed/464b15b0a3654c32978435f43e6cc93f/FLAGf3017cdeb [2020-10-16 01:24:11,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e4aa0eed/464b15b0a3654c32978435f43e6cc93f [2020-10-16 01:24:11,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 01:24:11,712 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 01:24:11,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 01:24:11,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 01:24:11,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 01:24:11,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:11" (1/1) ... [2020-10-16 01:24:11,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77674f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:11, skipping insertion in model container [2020-10-16 01:24:11,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:24:11" (1/1) ... [2020-10-16 01:24:11,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 01:24:11,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 01:24:12,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:24:12,379 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 01:24:12,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:24:12,555 INFO L208 MainTranslator]: Completed translation [2020-10-16 01:24:12,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:12 WrapperNode [2020-10-16 01:24:12,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 01:24:12,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 01:24:12,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 01:24:12,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 01:24:12,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:12" (1/1) ... [2020-10-16 01:24:12,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:12" (1/1) ... [2020-10-16 01:24:12,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 01:24:12,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 01:24:12,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 01:24:12,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 01:24:12,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:12" (1/1) ... [2020-10-16 01:24:12,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:12" (1/1) ... [2020-10-16 01:24:12,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:12" (1/1) ... [2020-10-16 01:24:12,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:12" (1/1) ... [2020-10-16 01:24:12,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:12" (1/1) ... [2020-10-16 01:24:12,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:12" (1/1) ... [2020-10-16 01:24:12,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:12" (1/1) ... [2020-10-16 01:24:12,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 01:24:12,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 01:24:12,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 01:24:12,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 01:24:12,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:12" (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 01:24:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 01:24:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 01:24:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 01:24:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 01:24:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 01:24:12,716 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 01:24:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 01:24:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 01:24:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 01:24:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 01:24:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 01:24:12,726 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 01:24:14,335 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 01:24:14,336 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 01:24:14,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:24:14 BoogieIcfgContainer [2020-10-16 01:24:14,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 01:24:14,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 01:24:14,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 01:24:14,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 01:24:14,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:24:11" (1/3) ... [2020-10-16 01:24:14,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c85f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:24:14, skipping insertion in model container [2020-10-16 01:24:14,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:24:12" (2/3) ... [2020-10-16 01:24:14,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c85f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:24:14, skipping insertion in model container [2020-10-16 01:24:14,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:24:14" (3/3) ... [2020-10-16 01:24:14,346 INFO L111 eAbstractionObserver]: Analyzing ICFG mix034_tso.opt.i [2020-10-16 01:24:14,357 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 01:24:14,365 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 01:24:14,366 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 01:24:14,392 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,393 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,393 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,393 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,393 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,394 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,394 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,394 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,394 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,394 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,395 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,395 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,395 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,395 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,395 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,396 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,396 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,396 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,396 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,396 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,396 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,397 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,397 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,397 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,397 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,397 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,398 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,398 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,398 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,398 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,398 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,398 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,400 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,400 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,400 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,400 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,403 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,403 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,403 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,403 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,404 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,404 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,404 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,404 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,405 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,405 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,405 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,405 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,405 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,407 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,411 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,412 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,413 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,423 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,423 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,423 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,424 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,424 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,424 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,424 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,424 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,425 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,425 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,425 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,425 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:24:14,442 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 01:24:14,463 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 01:24:14,464 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 01:24:14,464 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 01:24:14,464 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 01:24:14,464 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 01:24:14,464 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 01:24:14,465 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 01:24:14,465 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 01:24:14,478 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 79 transitions, 168 flow [2020-10-16 01:24:14,518 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-16 01:24:14,518 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:24:14,522 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-10-16 01:24:14,523 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 79 transitions, 168 flow [2020-10-16 01:24:14,529 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 77 transitions, 160 flow [2020-10-16 01:24:14,532 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 01:24:14,535 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 77 transitions, 160 flow [2020-10-16 01:24:14,538 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 77 transitions, 160 flow [2020-10-16 01:24:14,538 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 82 places, 77 transitions, 160 flow [2020-10-16 01:24:14,558 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-10-16 01:24:14,558 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:24:14,559 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-10-16 01:24:14,561 INFO L117 LiptonReduction]: Number of co-enabled transitions 936 [2020-10-16 01:24:14,801 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:14,801 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:14,827 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:24:14,828 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:14,831 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:24:14,832 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:14,834 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:24:14,835 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:14,838 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:24:14,838 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:14,840 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 01:24:14,841 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:14,843 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 01:24:14,843 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:14,904 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:24:14,905 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:24:14,909 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:24:14,909 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:15,124 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:15,124 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:15,134 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:24:15,135 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:15,138 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:24:15,138 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:15,141 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:24:15,142 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:15,144 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:24:15,144 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:15,147 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 01:24:15,148 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:15,153 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 01:24:15,154 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:15,221 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:24:15,222 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:24:15,224 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:24:15,225 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:15,587 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 01:24:15,721 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:24:15,722 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:24:15,724 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:24:15,725 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:15,759 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:15,759 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:15,767 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:24:15,767 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:15,769 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:24:15,770 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:15,771 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:24:15,771 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:15,773 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:24:15,773 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:15,774 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 01:24:15,775 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:15,776 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 01:24:15,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:16,250 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:24:16,251 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:24:16,253 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:24:16,253 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:16,279 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:16,279 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:16,283 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:24:16,284 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:16,285 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:24:16,285 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:16,287 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:24:16,287 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:16,289 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:24:16,290 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:16,291 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 01:24:16,292 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:16,293 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 01:24:16,293 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:16,520 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 01:24:16,641 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 01:24:16,691 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:24:16,692 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:16,693 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-10-16 01:24:16,694 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:16,694 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-10-16 01:24:16,695 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:16,846 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:24:16,847 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:24:16,849 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:24:16,849 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:16,875 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:16,875 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:16,877 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:24:16,877 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:16,878 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:24:16,879 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:16,880 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:24:16,880 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:16,882 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:24:16,883 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:16,884 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 01:24:16,885 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:16,886 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 01:24:16,886 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:16,913 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:16,913 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:16,914 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:16,914 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:16,916 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:16,916 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:16,917 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:16,918 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:16,929 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:16,929 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:16,930 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:16,930 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:16,932 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:16,932 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:16,934 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:16,934 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:17,036 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:17,037 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:17,039 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:24:17,039 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:17,041 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:24:17,041 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:17,042 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:24:17,042 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:24:17,044 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:24:17,044 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:17,046 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 01:24:17,046 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:17,047 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 01:24:17,048 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:17,076 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:24:17,077 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:24:17,079 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:24:17,079 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:17,248 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:17,248 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:17,249 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:17,249 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:17,251 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:17,252 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:17,253 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:17,254 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:24:17,266 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:17,267 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:17,268 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:17,268 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:24:17,270 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 3, 2, 3, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:24:17,271 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:17,273 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 3, 2, 1] term [2020-10-16 01:24:17,273 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-16 01:24:17,860 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-10-16 01:24:17,969 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-16 01:24:17,974 INFO L132 LiptonReduction]: Checked pairs total: 2227 [2020-10-16 01:24:17,974 INFO L134 LiptonReduction]: Total number of compositions: 69 [2020-10-16 01:24:17,977 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3447 [2020-10-16 01:24:17,984 INFO L129 PetriNetUnfolder]: 0/10 cut-off events. [2020-10-16 01:24:17,984 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:24:17,985 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:24:17,986 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 01:24:17,986 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:24:17,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:24:17,992 INFO L82 PathProgramCache]: Analyzing trace with hash 786120329, now seen corresponding path program 1 times [2020-10-16 01:24:18,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:24:18,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384321905] [2020-10-16 01:24:18,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:24:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:24:18,206 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 01:24:18,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384321905] [2020-10-16 01:24:18,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:24:18,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 01:24:18,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253959209] [2020-10-16 01:24:18,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 01:24:18,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:24:18,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 01:24:18,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 01:24:18,239 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 148 [2020-10-16 01:24:18,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 19 transitions, 44 flow. Second operand 3 states. [2020-10-16 01:24:18,241 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:24:18,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 148 [2020-10-16 01:24:18,243 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:24:18,299 INFO L129 PetriNetUnfolder]: 9/43 cut-off events. [2020-10-16 01:24:18,299 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:24:18,300 INFO L80 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 43 events. 9/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 119 event pairs, 1 based on Foata normal form. 6/47 useless extension candidates. Maximal degree in co-relation 63. Up to 17 conditions per place. [2020-10-16 01:24:18,301 INFO L132 encePairwiseOnDemand]: 144/148 looper letters, 5 selfloop transitions, 2 changer transitions 0/19 dead transitions. [2020-10-16 01:24:18,301 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 19 transitions, 58 flow [2020-10-16 01:24:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 01:24:18,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 01:24:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 379 transitions. [2020-10-16 01:24:18,319 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8536036036036037 [2020-10-16 01:24:18,320 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 379 transitions. [2020-10-16 01:24:18,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 379 transitions. [2020-10-16 01:24:18,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:24:18,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 379 transitions. [2020-10-16 01:24:18,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 01:24:18,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 01:24:18,338 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 01:24:18,340 INFO L185 Difference]: Start difference. First operand has 25 places, 19 transitions, 44 flow. Second operand 3 states and 379 transitions. [2020-10-16 01:24:18,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 19 transitions, 58 flow [2020-10-16 01:24:18,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 19 transitions, 56 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 01:24:18,347 INFO L241 Difference]: Finished difference. Result has 24 places, 17 transitions, 42 flow [2020-10-16 01:24:18,350 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, 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 01:24:18,351 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, -1 predicate places. [2020-10-16 01:24:18,351 INFO L481 AbstractCegarLoop]: Abstraction has has 24 places, 17 transitions, 42 flow [2020-10-16 01:24:18,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 01:24:18,351 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:24:18,351 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:24:18,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 01:24:18,352 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:24:18,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:24:18,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1144403924, now seen corresponding path program 1 times [2020-10-16 01:24:18,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:24:18,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158702392] [2020-10-16 01:24:18,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:24:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:24:18,509 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 01:24:18,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158702392] [2020-10-16 01:24:18,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:24:18,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 01:24:18,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923956316] [2020-10-16 01:24:18,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 01:24:18,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:24:18,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 01:24:18,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 01:24:18,517 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 148 [2020-10-16 01:24:18,518 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 17 transitions, 42 flow. Second operand 4 states. [2020-10-16 01:24:18,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:24:18,519 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 148 [2020-10-16 01:24:18,519 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:24:18,557 INFO L129 PetriNetUnfolder]: 2/25 cut-off events. [2020-10-16 01:24:18,557 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:24:18,557 INFO L80 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 25 events. 2/25 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 38 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 35. Up to 4 conditions per place. [2020-10-16 01:24:18,558 INFO L132 encePairwiseOnDemand]: 143/148 looper letters, 2 selfloop transitions, 2 changer transitions 5/21 dead transitions. [2020-10-16 01:24:18,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 21 transitions, 68 flow [2020-10-16 01:24:18,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:24:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:24:18,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 616 transitions. [2020-10-16 01:24:18,562 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8324324324324325 [2020-10-16 01:24:18,563 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 616 transitions. [2020-10-16 01:24:18,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 616 transitions. [2020-10-16 01:24:18,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:24:18,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 616 transitions. [2020-10-16 01:24:18,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:24:18,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:24:18,569 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:24:18,569 INFO L185 Difference]: Start difference. First operand has 24 places, 17 transitions, 42 flow. Second operand 5 states and 616 transitions. [2020-10-16 01:24:18,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 21 transitions, 68 flow [2020-10-16 01:24:18,570 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 01:24:18,571 INFO L241 Difference]: Finished difference. Result has 29 places, 16 transitions, 48 flow [2020-10-16 01:24:18,571 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, 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 01:24:18,572 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, 4 predicate places. [2020-10-16 01:24:18,572 INFO L481 AbstractCegarLoop]: Abstraction has has 29 places, 16 transitions, 48 flow [2020-10-16 01:24:18,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 01:24:18,572 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:24:18,572 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:24:18,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 01:24:18,573 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:24:18,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:24:18,573 INFO L82 PathProgramCache]: Analyzing trace with hash -993321622, now seen corresponding path program 1 times [2020-10-16 01:24:18,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:24:18,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671457728] [2020-10-16 01:24:18,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:24:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:24:18,694 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 01:24:18,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671457728] [2020-10-16 01:24:18,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:24:18,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 01:24:18,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996125454] [2020-10-16 01:24:18,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 01:24:18,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:24:18,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 01:24:18,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 01:24:18,698 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 148 [2020-10-16 01:24:18,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 16 transitions, 48 flow. Second operand 4 states. [2020-10-16 01:24:18,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:24:18,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 148 [2020-10-16 01:24:18,699 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:24:18,736 INFO L129 PetriNetUnfolder]: 6/35 cut-off events. [2020-10-16 01:24:18,736 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2020-10-16 01:24:18,737 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 35 events. 6/35 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 74 event pairs, 2 based on Foata normal form. 4/38 useless extension candidates. Maximal degree in co-relation 65. Up to 15 conditions per place. [2020-10-16 01:24:18,737 INFO L132 encePairwiseOnDemand]: 143/148 looper letters, 4 selfloop transitions, 3 changer transitions 5/23 dead transitions. [2020-10-16 01:24:18,737 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 23 transitions, 86 flow [2020-10-16 01:24:18,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:24:18,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:24:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 604 transitions. [2020-10-16 01:24:18,741 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8162162162162162 [2020-10-16 01:24:18,741 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 604 transitions. [2020-10-16 01:24:18,741 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 604 transitions. [2020-10-16 01:24:18,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:24:18,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 604 transitions. [2020-10-16 01:24:18,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:24:18,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:24:18,746 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:24:18,746 INFO L185 Difference]: Start difference. First operand has 29 places, 16 transitions, 48 flow. Second operand 5 states and 604 transitions. [2020-10-16 01:24:18,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 23 transitions, 86 flow [2020-10-16 01:24:18,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 23 transitions, 78 flow, removed 2 selfloop flow, removed 4 redundant places. [2020-10-16 01:24:18,748 INFO L241 Difference]: Finished difference. Result has 29 places, 18 transitions, 67 flow [2020-10-16 01:24:18,748 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=67, PETRI_PLACES=29, PETRI_TRANSITIONS=18} [2020-10-16 01:24:18,748 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, 4 predicate places. [2020-10-16 01:24:18,748 INFO L481 AbstractCegarLoop]: Abstraction has has 29 places, 18 transitions, 67 flow [2020-10-16 01:24:18,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 01:24:18,749 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:24:18,749 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:24:18,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 01:24:18,749 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:24:18,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:24:18,750 INFO L82 PathProgramCache]: Analyzing trace with hash 802713014, now seen corresponding path program 1 times [2020-10-16 01:24:18,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:24:18,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528631037] [2020-10-16 01:24:18,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:24:18,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:24:18,878 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 01:24:18,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528631037] [2020-10-16 01:24:18,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:24:18,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 01:24:18,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90306997] [2020-10-16 01:24:18,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 01:24:18,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:24:18,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 01:24:18,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 01:24:18,882 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 148 [2020-10-16 01:24:18,883 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 18 transitions, 67 flow. Second operand 5 states. [2020-10-16 01:24:18,883 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:24:18,883 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 148 [2020-10-16 01:24:18,883 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:24:18,926 INFO L129 PetriNetUnfolder]: 2/22 cut-off events. [2020-10-16 01:24:18,926 INFO L130 PetriNetUnfolder]: For 15/21 co-relation queries the response was YES. [2020-10-16 01:24:18,927 INFO L80 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 22 events. 2/22 cut-off events. For 15/21 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 17 event pairs, 0 based on Foata normal form. 6/28 useless extension candidates. Maximal degree in co-relation 51. Up to 10 conditions per place. [2020-10-16 01:24:18,927 INFO L132 encePairwiseOnDemand]: 143/148 looper letters, 2 selfloop transitions, 5 changer transitions 3/21 dead transitions. [2020-10-16 01:24:18,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 21 transitions, 103 flow [2020-10-16 01:24:18,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 01:24:18,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 01:24:18,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 720 transitions. [2020-10-16 01:24:18,930 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8108108108108109 [2020-10-16 01:24:18,931 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 720 transitions. [2020-10-16 01:24:18,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 720 transitions. [2020-10-16 01:24:18,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:24:18,932 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 720 transitions. [2020-10-16 01:24:18,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 01:24:18,935 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 01:24:18,935 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 01:24:18,935 INFO L185 Difference]: Start difference. First operand has 29 places, 18 transitions, 67 flow. Second operand 6 states and 720 transitions. [2020-10-16 01:24:18,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 21 transitions, 103 flow [2020-10-16 01:24:18,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 21 transitions, 86 flow, removed 6 selfloop flow, removed 3 redundant places. [2020-10-16 01:24:18,937 INFO L241 Difference]: Finished difference. Result has 32 places, 18 transitions, 74 flow [2020-10-16 01:24:18,938 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=74, PETRI_PLACES=32, PETRI_TRANSITIONS=18} [2020-10-16 01:24:18,938 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, 7 predicate places. [2020-10-16 01:24:18,938 INFO L481 AbstractCegarLoop]: Abstraction has has 32 places, 18 transitions, 74 flow [2020-10-16 01:24:18,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 01:24:18,938 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:24:18,939 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:24:18,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 01:24:18,939 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:24:18,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:24:18,939 INFO L82 PathProgramCache]: Analyzing trace with hash 380806487, now seen corresponding path program 1 times [2020-10-16 01:24:18,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:24:18,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385260412] [2020-10-16 01:24:18,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:24:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:24:19,027 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 01:24:19,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385260412] [2020-10-16 01:24:19,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:24:19,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 01:24:19,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793783970] [2020-10-16 01:24:19,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 01:24:19,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:24:19,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 01:24:19,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 01:24:19,031 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 148 [2020-10-16 01:24:19,031 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 18 transitions, 74 flow. Second operand 5 states. [2020-10-16 01:24:19,031 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:24:19,032 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 148 [2020-10-16 01:24:19,032 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:24:19,066 INFO L129 PetriNetUnfolder]: 2/29 cut-off events. [2020-10-16 01:24:19,066 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-10-16 01:24:19,067 INFO L80 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 29 events. 2/29 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs, 0 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 66. Up to 11 conditions per place. [2020-10-16 01:24:19,067 INFO L132 encePairwiseOnDemand]: 144/148 looper letters, 4 selfloop transitions, 1 changer transitions 2/20 dead transitions. [2020-10-16 01:24:19,067 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 20 transitions, 92 flow [2020-10-16 01:24:19,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:24:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:24:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 583 transitions. [2020-10-16 01:24:19,070 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7878378378378378 [2020-10-16 01:24:19,070 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 583 transitions. [2020-10-16 01:24:19,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 583 transitions. [2020-10-16 01:24:19,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:24:19,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 583 transitions. [2020-10-16 01:24:19,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:24:19,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:24:19,074 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:24:19,074 INFO L185 Difference]: Start difference. First operand has 32 places, 18 transitions, 74 flow. Second operand 5 states and 583 transitions. [2020-10-16 01:24:19,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 20 transitions, 92 flow [2020-10-16 01:24:19,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 20 transitions, 76 flow, removed 5 selfloop flow, removed 5 redundant places. [2020-10-16 01:24:19,076 INFO L241 Difference]: Finished difference. Result has 32 places, 18 transitions, 67 flow [2020-10-16 01:24:19,076 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=67, PETRI_PLACES=32, PETRI_TRANSITIONS=18} [2020-10-16 01:24:19,076 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, 7 predicate places. [2020-10-16 01:24:19,077 INFO L481 AbstractCegarLoop]: Abstraction has has 32 places, 18 transitions, 67 flow [2020-10-16 01:24:19,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 01:24:19,077 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:24:19,077 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:24:19,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 01:24:19,077 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:24:19,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:24:19,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1576391303, now seen corresponding path program 2 times [2020-10-16 01:24:19,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:24:19,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795584280] [2020-10-16 01:24:19,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:24:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:24:19,259 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 01:24:19,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795584280] [2020-10-16 01:24:19,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:24:19,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 01:24:19,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964303146] [2020-10-16 01:24:19,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-16 01:24:19,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:24:19,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-16 01:24:19,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-16 01:24:19,263 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 148 [2020-10-16 01:24:19,263 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 18 transitions, 67 flow. Second operand 6 states. [2020-10-16 01:24:19,263 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:24:19,263 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 148 [2020-10-16 01:24:19,264 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:24:19,360 INFO L129 PetriNetUnfolder]: 2/34 cut-off events. [2020-10-16 01:24:19,361 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2020-10-16 01:24:19,361 INFO L80 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 34 events. 2/34 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 1/35 useless extension candidates. Maximal degree in co-relation 76. Up to 9 conditions per place. [2020-10-16 01:24:19,361 INFO L132 encePairwiseOnDemand]: 142/148 looper letters, 5 selfloop transitions, 2 changer transitions 5/23 dead transitions. [2020-10-16 01:24:19,362 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 23 transitions, 103 flow [2020-10-16 01:24:19,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-16 01:24:19,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-16 01:24:19,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 720 transitions. [2020-10-16 01:24:19,365 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.694980694980695 [2020-10-16 01:24:19,365 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 720 transitions. [2020-10-16 01:24:19,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 720 transitions. [2020-10-16 01:24:19,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:24:19,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 720 transitions. [2020-10-16 01:24:19,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-16 01:24:19,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-16 01:24:19,370 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-16 01:24:19,370 INFO L185 Difference]: Start difference. First operand has 32 places, 18 transitions, 67 flow. Second operand 7 states and 720 transitions. [2020-10-16 01:24:19,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 23 transitions, 103 flow [2020-10-16 01:24:19,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 23 transitions, 96 flow, removed 3 selfloop flow, removed 3 redundant places. [2020-10-16 01:24:19,372 INFO L241 Difference]: Finished difference. Result has 37 places, 18 transitions, 76 flow [2020-10-16 01:24:19,372 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=148, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=76, PETRI_PLACES=37, PETRI_TRANSITIONS=18} [2020-10-16 01:24:19,373 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, 12 predicate places. [2020-10-16 01:24:19,373 INFO L481 AbstractCegarLoop]: Abstraction has has 37 places, 18 transitions, 76 flow [2020-10-16 01:24:19,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-16 01:24:19,373 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:24:19,373 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:24:19,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 01:24:19,374 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:24:19,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:24:19,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1884006519, now seen corresponding path program 3 times [2020-10-16 01:24:19,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:24:19,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153316571] [2020-10-16 01:24:19,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:24:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:24:19,420 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:24:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:24:19,469 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:24:19,502 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 01:24:19,503 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 01:24:19,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 01:24:19,518 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 01:24:19,519 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,520 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 01:24:19,520 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,520 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 01:24:19,520 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,521 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 01:24:19,521 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,521 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 01:24:19,521 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,521 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 01:24:19,522 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,522 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 01:24:19,522 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,522 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 01:24:19,522 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,523 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 01:24:19,523 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,523 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 01:24:19,523 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,524 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 01:24:19,524 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,524 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 01:24:19,524 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,525 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 01:24:19,525 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,525 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 01:24:19,525 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,526 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 01:24:19,526 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,526 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 01:24:19,527 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,527 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 01:24:19,527 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,527 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 01:24:19,527 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,528 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 01:24:19,528 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,528 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 01:24:19,528 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:24:19,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:24:19 BasicIcfg [2020-10-16 01:24:19,576 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 01:24:19,578 INFO L168 Benchmark]: Toolchain (without parser) took 7866.72 ms. Allocated memory was 251.7 MB in the beginning and 493.4 MB in the end (delta: 241.7 MB). Free memory was 206.7 MB in the beginning and 394.1 MB in the end (delta: -187.4 MB). Peak memory consumption was 54.3 MB. Max. memory is 14.2 GB. [2020-10-16 01:24:19,579 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 01:24:19,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 843.59 ms. Allocated memory was 251.7 MB in the beginning and 315.6 MB in the end (delta: 64.0 MB). Free memory was 206.7 MB in the beginning and 263.9 MB in the end (delta: -57.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 14.2 GB. [2020-10-16 01:24:19,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.51 ms. Allocated memory is still 315.6 MB. Free memory was 263.9 MB in the beginning and 261.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 01:24:19,582 INFO L168 Benchmark]: Boogie Preprocessor took 35.10 ms. Allocated memory is still 315.6 MB. Free memory was 261.4 MB in the beginning and 258.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 01:24:19,583 INFO L168 Benchmark]: RCFGBuilder took 1689.24 ms. Allocated memory was 315.6 MB in the beginning and 357.6 MB in the end (delta: 41.9 MB). Free memory was 258.8 MB in the beginning and 241.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 97.1 MB. Max. memory is 14.2 GB. [2020-10-16 01:24:19,584 INFO L168 Benchmark]: TraceAbstraction took 5237.42 ms. Allocated memory was 357.6 MB in the beginning and 493.4 MB in the end (delta: 135.8 MB). Free memory was 238.3 MB in the beginning and 394.1 MB in the end (delta: -155.8 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 01:24:19,588 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 843.59 ms. Allocated memory was 251.7 MB in the beginning and 315.6 MB in the end (delta: 64.0 MB). Free memory was 206.7 MB in the beginning and 263.9 MB in the end (delta: -57.1 MB). Peak memory consumption was 26.9 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 56.51 ms. Allocated memory is still 315.6 MB. Free memory was 263.9 MB in the beginning and 261.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 35.10 ms. Allocated memory is still 315.6 MB. Free memory was 261.4 MB in the beginning and 258.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 1689.24 ms. Allocated memory was 315.6 MB in the beginning and 357.6 MB in the end (delta: 41.9 MB). Free memory was 258.8 MB in the beginning and 241.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 97.1 MB. Max. memory is 14.2 GB. * TraceAbstraction took 5237.42 ms. Allocated memory was 357.6 MB in the beginning and 493.4 MB in the end (delta: 135.8 MB). Free memory was 238.3 MB in the beginning and 394.1 MB in the end (delta: -155.8 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 633 VarBasedMoverChecksPositive, 42 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 30 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.1s, 77 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.4s, 82 PlacesBefore, 25 PlacesAfterwards, 77 TransitionsBefore, 19 TransitionsAfterwards, 936 CoEnabledTransitionPairs, 6 FixpointIterations, 31 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 69 TotalNumberOfCompositions, 2227 MoverChecksTotal - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p0_EAX = 0; [L702] 0 int __unbuffered_p1_EAX = 0; [L704] 0 int __unbuffered_p1_EBX = 0; [L705] 0 _Bool main$tmp_guard0; [L706] 0 _Bool main$tmp_guard1; [L708] 0 int x = 0; [L709] 0 _Bool x$flush_delayed; [L710] 0 int x$mem_tmp; [L711] 0 _Bool x$r_buff0_thd0; [L712] 0 _Bool x$r_buff0_thd1; [L713] 0 _Bool x$r_buff0_thd2; [L714] 0 _Bool x$r_buff1_thd0; [L715] 0 _Bool x$r_buff1_thd1; [L716] 0 _Bool x$r_buff1_thd2; [L717] 0 _Bool x$read_delayed; [L718] 0 int *x$read_delayed_var; [L719] 0 int x$w_buff0; [L720] 0 _Bool x$w_buff0_used; [L721] 0 int x$w_buff1; [L722] 0 _Bool x$w_buff1_used; [L724] 0 int y = 0; [L726] 0 int z = 0; [L727] 0 _Bool weak$$choice0; [L728] 0 _Bool weak$$choice2; [L802] 0 pthread_t t911; [L803] FCALL, FORK 0 pthread_create(&t911, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L804] 0 pthread_t t912; [L805] FCALL, FORK 0 pthread_create(&t912, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L760] 2 x$w_buff1 = x$w_buff0 [L761] 2 x$w_buff0 = 1 [L762] 2 x$w_buff1_used = x$w_buff0_used [L763] 2 x$w_buff0_used = (_Bool)1 [L8] COND TRUE 2 !expression [L8] 2 __VERIFIER_error() [L765] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L766] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L767] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L768] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L771] 2 y = 1 [L774] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L777] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L732] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L735] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L736] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L737] 1 x$flush_delayed = weak$$choice2 [L738] 1 x$mem_tmp = x [L739] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L739] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L740] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L740] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L741] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L741] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L742] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L742] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L743] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L743] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L744] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L744] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L745] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L745] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L745] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L745] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L746] 1 __unbuffered_p0_EAX = x [L747] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L747] 1 x = x$flush_delayed ? x$mem_tmp : x [L748] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L755] 1 return 0; [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L780] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L781] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L781] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L782] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L783] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L783] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L784] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L784] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; [L807] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L4] COND FALSE 0 !(!cond) [L811] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L811] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L812] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L812] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L813] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L813] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L814] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L814] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L815] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L815] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L818] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L8] COND TRUE 0 !expression [L8] 0 __VERIFIER_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 78 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: 5.0s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 24 SDtfs, 13 SDslu, 26 SDs, 0 SdLazy, 92 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=6, 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, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 2786 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...