/usr/bin/java -Xmx8000000000 -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-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix056_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 03:01:31,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 03:01:31,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 03:01:31,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 03:01:31,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 03:01:31,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 03:01:31,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 03:01:31,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 03:01:31,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 03:01:31,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 03:01:31,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 03:01:31,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 03:01:31,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 03:01:31,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 03:01:31,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 03:01:31,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 03:01:31,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 03:01:31,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 03:01:31,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 03:01:31,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 03:01:31,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 03:01:31,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 03:01:31,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 03:01:31,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 03:01:31,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 03:01:31,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 03:01:31,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 03:01:31,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 03:01:31,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 03:01:31,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 03:01:31,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 03:01:31,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 03:01:31,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 03:01:31,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 03:01:31,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 03:01:31,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 03:01:31,457 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-FA-SemanticLbe.epf [2019-12-27 03:01:31,477 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 03:01:31,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 03:01:31,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 03:01:31,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 03:01:31,482 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 03:01:31,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 03:01:31,482 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 03:01:31,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 03:01:31,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 03:01:31,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 03:01:31,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 03:01:31,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 03:01:31,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 03:01:31,484 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 03:01:31,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 03:01:31,485 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 03:01:31,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 03:01:31,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 03:01:31,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 03:01:31,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 03:01:31,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 03:01:31,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 03:01:31,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 03:01:31,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 03:01:31,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 03:01:31,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 03:01:31,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 03:01:31,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 03:01:31,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 03:01:31,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 03:01:31,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 03:01:31,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 03:01:31,802 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 03:01:31,803 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 03:01:31,803 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix056_tso.opt.i [2019-12-27 03:01:31,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a531ed43c/c4b015cc36534e1d9e99507834c64d88/FLAG1b2c8359f [2019-12-27 03:01:32,393 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 03:01:32,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_tso.opt.i [2019-12-27 03:01:32,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a531ed43c/c4b015cc36534e1d9e99507834c64d88/FLAG1b2c8359f [2019-12-27 03:01:32,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a531ed43c/c4b015cc36534e1d9e99507834c64d88 [2019-12-27 03:01:32,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 03:01:32,698 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 03:01:32,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 03:01:32,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 03:01:32,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 03:01:32,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 03:01:32" (1/1) ... [2019-12-27 03:01:32,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c1335d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:01:32, skipping insertion in model container [2019-12-27 03:01:32,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 03:01:32" (1/1) ... [2019-12-27 03:01:32,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 03:01:32,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 03:01:33,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 03:01:33,319 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 03:01:33,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 03:01:33,495 INFO L208 MainTranslator]: Completed translation [2019-12-27 03:01:33,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:01:33 WrapperNode [2019-12-27 03:01:33,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 03:01:33,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 03:01:33,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 03:01:33,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 03:01:33,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:01:33" (1/1) ... [2019-12-27 03:01:33,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:01:33" (1/1) ... [2019-12-27 03:01:33,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 03:01:33,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 03:01:33,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 03:01:33,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 03:01:33,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:01:33" (1/1) ... [2019-12-27 03:01:33,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:01:33" (1/1) ... [2019-12-27 03:01:33,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:01:33" (1/1) ... [2019-12-27 03:01:33,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:01:33" (1/1) ... [2019-12-27 03:01:33,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:01:33" (1/1) ... [2019-12-27 03:01:33,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:01:33" (1/1) ... [2019-12-27 03:01:33,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:01:33" (1/1) ... [2019-12-27 03:01:33,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 03:01:33,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 03:01:33,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 03:01:33,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 03:01:33,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:01:33" (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 [2019-12-27 03:01:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 03:01:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 03:01:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 03:01:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 03:01:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 03:01:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 03:01:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 03:01:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 03:01:33,690 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 03:01:33,690 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 03:01:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 03:01:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 03:01:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 03:01:33,695 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 03:01:34,406 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 03:01:34,406 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-27 03:01:34,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 03:01:34 BoogieIcfgContainer [2019-12-27 03:01:34,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 03:01:34,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 03:01:34,409 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 03:01:34,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 03:01:34,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 03:01:32" (1/3) ... [2019-12-27 03:01:34,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ec4777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 03:01:34, skipping insertion in model container [2019-12-27 03:01:34,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 03:01:33" (2/3) ... [2019-12-27 03:01:34,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ec4777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 03:01:34, skipping insertion in model container [2019-12-27 03:01:34,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 03:01:34" (3/3) ... [2019-12-27 03:01:34,416 INFO L109 eAbstractionObserver]: Analyzing ICFG mix056_tso.opt.i [2019-12-27 03:01:34,427 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 03:01:34,427 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 03:01:34,436 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 03:01:34,437 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 03:01:34,484 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,484 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,484 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,485 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,485 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,485 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,485 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,486 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,486 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,487 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,489 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,492 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,492 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,492 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,493 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,493 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,493 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,494 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,494 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,494 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,494 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,495 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,495 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,495 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,495 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,496 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,496 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,496 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,496 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,497 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,497 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,497 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,497 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,499 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,500 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,501 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,501 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,502 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,503 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,503 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,503 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,505 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,506 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,506 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,506 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,507 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,507 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,508 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,508 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,508 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,508 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,509 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,509 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,509 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,509 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,509 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,510 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,510 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,510 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,510 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,511 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,511 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,511 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,511 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,512 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,527 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,527 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,532 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,533 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,533 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,533 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,533 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,533 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,534 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,534 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,534 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,534 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,534 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,535 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,537 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,538 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,538 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,538 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,540 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,540 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,541 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,541 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,541 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,541 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,541 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,541 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,542 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,542 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 03:01:34,555 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 03:01:34,573 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 03:01:34,573 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 03:01:34,573 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 03:01:34,574 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 03:01:34,574 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 03:01:34,574 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 03:01:34,574 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 03:01:34,574 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 03:01:34,591 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 162 places, 193 transitions [2019-12-27 03:01:34,593 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 162 places, 193 transitions [2019-12-27 03:01:34,683 INFO L132 PetriNetUnfolder]: 41/190 cut-off events. [2019-12-27 03:01:34,684 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 03:01:34,698 INFO L76 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 190 events. 41/190 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 261 event pairs. 0/147 useless extension candidates. Maximal degree in co-relation 161. Up to 2 conditions per place. [2019-12-27 03:01:34,719 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 162 places, 193 transitions [2019-12-27 03:01:34,791 INFO L132 PetriNetUnfolder]: 41/190 cut-off events. [2019-12-27 03:01:34,791 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 03:01:34,799 INFO L76 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 190 events. 41/190 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 261 event pairs. 0/147 useless extension candidates. Maximal degree in co-relation 161. Up to 2 conditions per place. [2019-12-27 03:01:34,815 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 11490 [2019-12-27 03:01:34,817 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 03:01:39,434 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2019-12-27 03:01:39,538 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-12-27 03:01:39,576 INFO L206 etLargeBlockEncoding]: Checked pairs total: 48383 [2019-12-27 03:01:39,576 INFO L214 etLargeBlockEncoding]: Total number of compositions: 109 [2019-12-27 03:01:39,581 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 83 places, 92 transitions [2019-12-27 03:01:40,516 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 16526 states. [2019-12-27 03:01:40,518 INFO L276 IsEmpty]: Start isEmpty. Operand 16526 states. [2019-12-27 03:01:40,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 03:01:40,525 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:01:40,526 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:01:40,526 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:01:40,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:01:40,533 INFO L82 PathProgramCache]: Analyzing trace with hash 2128093424, now seen corresponding path program 1 times [2019-12-27 03:01:40,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:01:40,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11319513] [2019-12-27 03:01:40,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:01:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:01:40,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:01:40,806 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11319513] [2019-12-27 03:01:40,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:01:40,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 03:01:40,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107541896] [2019-12-27 03:01:40,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 03:01:40,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:01:40,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 03:01:40,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:01:40,831 INFO L87 Difference]: Start difference. First operand 16526 states. Second operand 3 states. [2019-12-27 03:01:41,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:01:41,203 INFO L93 Difference]: Finished difference Result 16398 states and 61580 transitions. [2019-12-27 03:01:41,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 03:01:41,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-27 03:01:41,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:01:41,407 INFO L225 Difference]: With dead ends: 16398 [2019-12-27 03:01:41,408 INFO L226 Difference]: Without dead ends: 16062 [2019-12-27 03:01:41,409 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:01:41,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16062 states. [2019-12-27 03:01:42,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16062 to 16062. [2019-12-27 03:01:42,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16062 states. [2019-12-27 03:01:42,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16062 states to 16062 states and 60376 transitions. [2019-12-27 03:01:42,742 INFO L78 Accepts]: Start accepts. Automaton has 16062 states and 60376 transitions. Word has length 7 [2019-12-27 03:01:42,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:01:42,743 INFO L462 AbstractCegarLoop]: Abstraction has 16062 states and 60376 transitions. [2019-12-27 03:01:42,743 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 03:01:42,743 INFO L276 IsEmpty]: Start isEmpty. Operand 16062 states and 60376 transitions. [2019-12-27 03:01:42,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 03:01:42,754 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:01:42,754 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:01:42,755 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:01:42,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:01:42,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1390331573, now seen corresponding path program 1 times [2019-12-27 03:01:42,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:01:42,756 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220716917] [2019-12-27 03:01:42,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:01:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:01:42,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:01:42,908 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220716917] [2019-12-27 03:01:42,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:01:42,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 03:01:42,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205421114] [2019-12-27 03:01:42,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 03:01:42,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:01:42,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 03:01:42,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 03:01:42,911 INFO L87 Difference]: Start difference. First operand 16062 states and 60376 transitions. Second operand 4 states. [2019-12-27 03:01:43,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:01:43,466 INFO L93 Difference]: Finished difference Result 24942 states and 90524 transitions. [2019-12-27 03:01:43,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 03:01:43,466 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-27 03:01:43,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:01:43,567 INFO L225 Difference]: With dead ends: 24942 [2019-12-27 03:01:43,567 INFO L226 Difference]: Without dead ends: 24928 [2019-12-27 03:01:43,568 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 03:01:43,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24928 states. [2019-12-27 03:01:44,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24928 to 22166. [2019-12-27 03:01:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22166 states. [2019-12-27 03:01:44,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22166 states to 22166 states and 81470 transitions. [2019-12-27 03:01:44,517 INFO L78 Accepts]: Start accepts. Automaton has 22166 states and 81470 transitions. Word has length 13 [2019-12-27 03:01:44,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:01:44,517 INFO L462 AbstractCegarLoop]: Abstraction has 22166 states and 81470 transitions. [2019-12-27 03:01:44,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 03:01:44,517 INFO L276 IsEmpty]: Start isEmpty. Operand 22166 states and 81470 transitions. [2019-12-27 03:01:44,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 03:01:44,519 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:01:44,519 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:01:44,520 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:01:44,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:01:44,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1371832765, now seen corresponding path program 1 times [2019-12-27 03:01:44,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:01:44,521 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625883378] [2019-12-27 03:01:44,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:01:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:01:44,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:01:44,571 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625883378] [2019-12-27 03:01:44,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:01:44,572 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 03:01:44,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840161115] [2019-12-27 03:01:44,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 03:01:44,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:01:44,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 03:01:44,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:01:44,575 INFO L87 Difference]: Start difference. First operand 22166 states and 81470 transitions. Second operand 3 states. [2019-12-27 03:01:44,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:01:44,629 INFO L93 Difference]: Finished difference Result 12675 states and 40338 transitions. [2019-12-27 03:01:44,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 03:01:44,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-27 03:01:44,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:01:44,677 INFO L225 Difference]: With dead ends: 12675 [2019-12-27 03:01:44,677 INFO L226 Difference]: Without dead ends: 12675 [2019-12-27 03:01:44,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:01:44,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12675 states. [2019-12-27 03:01:45,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12675 to 12675. [2019-12-27 03:01:45,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12675 states. [2019-12-27 03:01:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12675 states to 12675 states and 40338 transitions. [2019-12-27 03:01:45,840 INFO L78 Accepts]: Start accepts. Automaton has 12675 states and 40338 transitions. Word has length 13 [2019-12-27 03:01:45,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:01:45,840 INFO L462 AbstractCegarLoop]: Abstraction has 12675 states and 40338 transitions. [2019-12-27 03:01:45,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 03:01:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 12675 states and 40338 transitions. [2019-12-27 03:01:45,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 03:01:45,842 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:01:45,842 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:01:45,843 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:01:45,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:01:45,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1884008947, now seen corresponding path program 1 times [2019-12-27 03:01:45,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:01:45,844 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525480553] [2019-12-27 03:01:45,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:01:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:01:45,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:01:45,880 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525480553] [2019-12-27 03:01:45,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:01:45,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 03:01:45,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679331583] [2019-12-27 03:01:45,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 03:01:45,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:01:45,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 03:01:45,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 03:01:45,882 INFO L87 Difference]: Start difference. First operand 12675 states and 40338 transitions. Second operand 4 states. [2019-12-27 03:01:45,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:01:45,903 INFO L93 Difference]: Finished difference Result 1939 states and 4540 transitions. [2019-12-27 03:01:45,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 03:01:45,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-27 03:01:45,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:01:45,908 INFO L225 Difference]: With dead ends: 1939 [2019-12-27 03:01:45,909 INFO L226 Difference]: Without dead ends: 1939 [2019-12-27 03:01:45,909 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 03:01:45,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2019-12-27 03:01:45,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 1939. [2019-12-27 03:01:45,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1939 states. [2019-12-27 03:01:45,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1939 states and 4540 transitions. [2019-12-27 03:01:45,941 INFO L78 Accepts]: Start accepts. Automaton has 1939 states and 4540 transitions. Word has length 14 [2019-12-27 03:01:45,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:01:45,942 INFO L462 AbstractCegarLoop]: Abstraction has 1939 states and 4540 transitions. [2019-12-27 03:01:45,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 03:01:45,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 4540 transitions. [2019-12-27 03:01:45,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-27 03:01:45,944 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:01:45,944 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:01:45,944 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:01:45,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:01:45,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1748149180, now seen corresponding path program 1 times [2019-12-27 03:01:45,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:01:45,945 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723374087] [2019-12-27 03:01:45,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:01:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:01:46,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:01:46,012 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723374087] [2019-12-27 03:01:46,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:01:46,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 03:01:46,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321986175] [2019-12-27 03:01:46,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 03:01:46,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:01:46,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 03:01:46,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-27 03:01:46,014 INFO L87 Difference]: Start difference. First operand 1939 states and 4540 transitions. Second operand 5 states. [2019-12-27 03:01:46,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:01:46,037 INFO L93 Difference]: Finished difference Result 653 states and 1533 transitions. [2019-12-27 03:01:46,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 03:01:46,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-27 03:01:46,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:01:46,040 INFO L225 Difference]: With dead ends: 653 [2019-12-27 03:01:46,040 INFO L226 Difference]: Without dead ends: 653 [2019-12-27 03:01:46,040 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-27 03:01:46,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2019-12-27 03:01:46,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 597. [2019-12-27 03:01:46,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2019-12-27 03:01:46,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 1401 transitions. [2019-12-27 03:01:46,050 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 1401 transitions. Word has length 26 [2019-12-27 03:01:46,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:01:46,051 INFO L462 AbstractCegarLoop]: Abstraction has 597 states and 1401 transitions. [2019-12-27 03:01:46,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 03:01:46,051 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1401 transitions. [2019-12-27 03:01:46,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-27 03:01:46,053 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:01:46,053 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:01:46,053 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:01:46,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:01:46,054 INFO L82 PathProgramCache]: Analyzing trace with hash 306322931, now seen corresponding path program 1 times [2019-12-27 03:01:46,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:01:46,054 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166151404] [2019-12-27 03:01:46,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:01:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:01:46,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:01:46,124 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166151404] [2019-12-27 03:01:46,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:01:46,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 03:01:46,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886018222] [2019-12-27 03:01:46,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 03:01:46,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:01:46,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 03:01:46,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:01:46,126 INFO L87 Difference]: Start difference. First operand 597 states and 1401 transitions. Second operand 3 states. [2019-12-27 03:01:46,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:01:46,178 INFO L93 Difference]: Finished difference Result 607 states and 1414 transitions. [2019-12-27 03:01:46,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 03:01:46,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-12-27 03:01:46,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:01:46,180 INFO L225 Difference]: With dead ends: 607 [2019-12-27 03:01:46,180 INFO L226 Difference]: Without dead ends: 607 [2019-12-27 03:01:46,180 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:01:46,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2019-12-27 03:01:46,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 603. [2019-12-27 03:01:46,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2019-12-27 03:01:46,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 1410 transitions. [2019-12-27 03:01:46,190 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 1410 transitions. Word has length 55 [2019-12-27 03:01:46,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:01:46,190 INFO L462 AbstractCegarLoop]: Abstraction has 603 states and 1410 transitions. [2019-12-27 03:01:46,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 03:01:46,191 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 1410 transitions. [2019-12-27 03:01:46,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-27 03:01:46,192 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:01:46,192 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:01:46,193 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:01:46,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:01:46,193 INFO L82 PathProgramCache]: Analyzing trace with hash -826083081, now seen corresponding path program 1 times [2019-12-27 03:01:46,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:01:46,194 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891280682] [2019-12-27 03:01:46,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:01:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:01:46,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:01:46,343 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891280682] [2019-12-27 03:01:46,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:01:46,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 03:01:46,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348055119] [2019-12-27 03:01:46,346 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 03:01:46,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:01:46,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 03:01:46,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 03:01:46,347 INFO L87 Difference]: Start difference. First operand 603 states and 1410 transitions. Second operand 5 states. [2019-12-27 03:01:46,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:01:46,546 INFO L93 Difference]: Finished difference Result 892 states and 2082 transitions. [2019-12-27 03:01:46,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 03:01:46,548 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2019-12-27 03:01:46,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:01:46,553 INFO L225 Difference]: With dead ends: 892 [2019-12-27 03:01:46,553 INFO L226 Difference]: Without dead ends: 892 [2019-12-27 03:01:46,554 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 03:01:46,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2019-12-27 03:01:46,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 717. [2019-12-27 03:01:46,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2019-12-27 03:01:46,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1691 transitions. [2019-12-27 03:01:46,571 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1691 transitions. Word has length 55 [2019-12-27 03:01:46,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:01:46,571 INFO L462 AbstractCegarLoop]: Abstraction has 717 states and 1691 transitions. [2019-12-27 03:01:46,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 03:01:46,572 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1691 transitions. [2019-12-27 03:01:46,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-27 03:01:46,574 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:01:46,574 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:01:46,574 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:01:46,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:01:46,575 INFO L82 PathProgramCache]: Analyzing trace with hash 297273929, now seen corresponding path program 2 times [2019-12-27 03:01:46,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:01:46,575 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103559153] [2019-12-27 03:01:46,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:01:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:01:46,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:01:46,714 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103559153] [2019-12-27 03:01:46,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:01:46,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 03:01:46,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822362754] [2019-12-27 03:01:46,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 03:01:46,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:01:46,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 03:01:46,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 03:01:46,715 INFO L87 Difference]: Start difference. First operand 717 states and 1691 transitions. Second operand 6 states. [2019-12-27 03:01:47,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:01:47,029 INFO L93 Difference]: Finished difference Result 1189 states and 2773 transitions. [2019-12-27 03:01:47,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-27 03:01:47,029 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-12-27 03:01:47,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:01:47,031 INFO L225 Difference]: With dead ends: 1189 [2019-12-27 03:01:47,031 INFO L226 Difference]: Without dead ends: 1189 [2019-12-27 03:01:47,032 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-27 03:01:47,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2019-12-27 03:01:47,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 759. [2019-12-27 03:01:47,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2019-12-27 03:01:47,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 1794 transitions. [2019-12-27 03:01:47,047 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 1794 transitions. Word has length 55 [2019-12-27 03:01:47,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:01:47,047 INFO L462 AbstractCegarLoop]: Abstraction has 759 states and 1794 transitions. [2019-12-27 03:01:47,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 03:01:47,047 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1794 transitions. [2019-12-27 03:01:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-27 03:01:47,049 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:01:47,050 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:01:47,050 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:01:47,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:01:47,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1649215159, now seen corresponding path program 3 times [2019-12-27 03:01:47,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:01:47,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422555599] [2019-12-27 03:01:47,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:01:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:01:47,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:01:47,194 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422555599] [2019-12-27 03:01:47,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:01:47,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 03:01:47,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409511896] [2019-12-27 03:01:47,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 03:01:47,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:01:47,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 03:01:47,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:01:47,196 INFO L87 Difference]: Start difference. First operand 759 states and 1794 transitions. Second operand 3 states. [2019-12-27 03:01:47,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:01:47,209 INFO L93 Difference]: Finished difference Result 687 states and 1586 transitions. [2019-12-27 03:01:47,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 03:01:47,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2019-12-27 03:01:47,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:01:47,210 INFO L225 Difference]: With dead ends: 687 [2019-12-27 03:01:47,210 INFO L226 Difference]: Without dead ends: 687 [2019-12-27 03:01:47,211 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:01:47,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2019-12-27 03:01:47,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 663. [2019-12-27 03:01:47,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2019-12-27 03:01:47,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 1530 transitions. [2019-12-27 03:01:47,222 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 1530 transitions. Word has length 55 [2019-12-27 03:01:47,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:01:47,222 INFO L462 AbstractCegarLoop]: Abstraction has 663 states and 1530 transitions. [2019-12-27 03:01:47,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 03:01:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1530 transitions. [2019-12-27 03:01:47,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-27 03:01:47,224 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:01:47,224 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:01:47,224 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:01:47,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:01:47,225 INFO L82 PathProgramCache]: Analyzing trace with hash 684538364, now seen corresponding path program 1 times [2019-12-27 03:01:47,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:01:47,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314406790] [2019-12-27 03:01:47,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:01:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:01:47,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:01:47,302 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314406790] [2019-12-27 03:01:47,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:01:47,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 03:01:47,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152483835] [2019-12-27 03:01:47,303 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 03:01:47,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:01:47,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 03:01:47,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:01:47,303 INFO L87 Difference]: Start difference. First operand 663 states and 1530 transitions. Second operand 3 states. [2019-12-27 03:01:47,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:01:47,337 INFO L93 Difference]: Finished difference Result 662 states and 1528 transitions. [2019-12-27 03:01:47,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 03:01:47,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2019-12-27 03:01:47,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:01:47,339 INFO L225 Difference]: With dead ends: 662 [2019-12-27 03:01:47,339 INFO L226 Difference]: Without dead ends: 662 [2019-12-27 03:01:47,340 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 03:01:47,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2019-12-27 03:01:47,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 473. [2019-12-27 03:01:47,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2019-12-27 03:01:47,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 1090 transitions. [2019-12-27 03:01:47,348 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 1090 transitions. Word has length 56 [2019-12-27 03:01:47,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:01:47,349 INFO L462 AbstractCegarLoop]: Abstraction has 473 states and 1090 transitions. [2019-12-27 03:01:47,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 03:01:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 1090 transitions. [2019-12-27 03:01:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-27 03:01:47,350 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:01:47,351 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:01:47,351 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:01:47,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:01:47,351 INFO L82 PathProgramCache]: Analyzing trace with hash 816342703, now seen corresponding path program 1 times [2019-12-27 03:01:47,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:01:47,352 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478466277] [2019-12-27 03:01:47,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:01:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:01:47,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:01:47,503 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478466277] [2019-12-27 03:01:47,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:01:47,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 03:01:47,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805992394] [2019-12-27 03:01:47,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 03:01:47,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:01:47,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 03:01:47,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-12-27 03:01:47,506 INFO L87 Difference]: Start difference. First operand 473 states and 1090 transitions. Second operand 7 states. [2019-12-27 03:01:47,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:01:47,620 INFO L93 Difference]: Finished difference Result 879 states and 1872 transitions. [2019-12-27 03:01:47,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 03:01:47,621 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-12-27 03:01:47,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:01:47,622 INFO L225 Difference]: With dead ends: 879 [2019-12-27 03:01:47,622 INFO L226 Difference]: Without dead ends: 578 [2019-12-27 03:01:47,623 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-12-27 03:01:47,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2019-12-27 03:01:47,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 411. [2019-12-27 03:01:47,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2019-12-27 03:01:47,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 911 transitions. [2019-12-27 03:01:47,631 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 911 transitions. Word has length 57 [2019-12-27 03:01:47,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:01:47,631 INFO L462 AbstractCegarLoop]: Abstraction has 411 states and 911 transitions. [2019-12-27 03:01:47,631 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 03:01:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 911 transitions. [2019-12-27 03:01:47,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-27 03:01:47,632 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:01:47,633 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:01:47,633 INFO L410 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:01:47,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:01:47,633 INFO L82 PathProgramCache]: Analyzing trace with hash 729563135, now seen corresponding path program 2 times [2019-12-27 03:01:47,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:01:47,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440731519] [2019-12-27 03:01:47,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:01:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:01:47,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:01:47,773 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440731519] [2019-12-27 03:01:47,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:01:47,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 03:01:47,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724953535] [2019-12-27 03:01:47,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 03:01:47,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:01:47,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 03:01:47,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 03:01:47,774 INFO L87 Difference]: Start difference. First operand 411 states and 911 transitions. Second operand 6 states. [2019-12-27 03:01:47,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:01:47,840 INFO L93 Difference]: Finished difference Result 644 states and 1366 transitions. [2019-12-27 03:01:47,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 03:01:47,840 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-12-27 03:01:47,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:01:47,841 INFO L225 Difference]: With dead ends: 644 [2019-12-27 03:01:47,841 INFO L226 Difference]: Without dead ends: 231 [2019-12-27 03:01:47,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-27 03:01:47,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-12-27 03:01:47,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 207. [2019-12-27 03:01:47,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2019-12-27 03:01:47,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 364 transitions. [2019-12-27 03:01:47,846 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 364 transitions. Word has length 57 [2019-12-27 03:01:47,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:01:47,847 INFO L462 AbstractCegarLoop]: Abstraction has 207 states and 364 transitions. [2019-12-27 03:01:47,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 03:01:47,847 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 364 transitions. [2019-12-27 03:01:47,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-27 03:01:47,848 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:01:47,848 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:01:47,848 INFO L410 AbstractCegarLoop]: === Iteration 13 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:01:47,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:01:47,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1516556909, now seen corresponding path program 3 times [2019-12-27 03:01:47,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:01:47,849 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104435910] [2019-12-27 03:01:47,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:01:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:01:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:01:48,125 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104435910] [2019-12-27 03:01:48,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:01:48,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-12-27 03:01:48,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731372758] [2019-12-27 03:01:48,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-27 03:01:48,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:01:48,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-27 03:01:48,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-12-27 03:01:48,126 INFO L87 Difference]: Start difference. First operand 207 states and 364 transitions. Second operand 14 states. [2019-12-27 03:01:48,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:01:48,813 INFO L93 Difference]: Finished difference Result 379 states and 652 transitions. [2019-12-27 03:01:48,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-12-27 03:01:48,814 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 57 [2019-12-27 03:01:48,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:01:48,815 INFO L225 Difference]: With dead ends: 379 [2019-12-27 03:01:48,815 INFO L226 Difference]: Without dead ends: 349 [2019-12-27 03:01:48,816 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=612, Unknown=0, NotChecked=0, Total=756 [2019-12-27 03:01:48,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-12-27 03:01:48,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 307. [2019-12-27 03:01:48,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2019-12-27 03:01:48,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 535 transitions. [2019-12-27 03:01:48,821 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 535 transitions. Word has length 57 [2019-12-27 03:01:48,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:01:48,822 INFO L462 AbstractCegarLoop]: Abstraction has 307 states and 535 transitions. [2019-12-27 03:01:48,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-27 03:01:48,822 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 535 transitions. [2019-12-27 03:01:48,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-27 03:01:48,823 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:01:48,823 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:01:48,823 INFO L410 AbstractCegarLoop]: === Iteration 14 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:01:48,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:01:48,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1834190715, now seen corresponding path program 4 times [2019-12-27 03:01:48,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:01:48,824 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855251963] [2019-12-27 03:01:48,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:01:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 03:01:49,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 03:01:49,021 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855251963] [2019-12-27 03:01:49,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 03:01:49,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-27 03:01:49,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970646912] [2019-12-27 03:01:49,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-27 03:01:49,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 03:01:49,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-27 03:01:49,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-12-27 03:01:49,023 INFO L87 Difference]: Start difference. First operand 307 states and 535 transitions. Second operand 13 states. [2019-12-27 03:01:49,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 03:01:49,326 INFO L93 Difference]: Finished difference Result 415 states and 703 transitions. [2019-12-27 03:01:49,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-27 03:01:49,327 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 57 [2019-12-27 03:01:49,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 03:01:49,328 INFO L225 Difference]: With dead ends: 415 [2019-12-27 03:01:49,328 INFO L226 Difference]: Without dead ends: 385 [2019-12-27 03:01:49,328 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2019-12-27 03:01:49,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-12-27 03:01:49,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 315. [2019-12-27 03:01:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-12-27 03:01:49,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 549 transitions. [2019-12-27 03:01:49,337 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 549 transitions. Word has length 57 [2019-12-27 03:01:49,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 03:01:49,337 INFO L462 AbstractCegarLoop]: Abstraction has 315 states and 549 transitions. [2019-12-27 03:01:49,337 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-27 03:01:49,337 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 549 transitions. [2019-12-27 03:01:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-27 03:01:49,342 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 03:01:49,343 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 03:01:49,343 INFO L410 AbstractCegarLoop]: === Iteration 15 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 03:01:49,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 03:01:49,343 INFO L82 PathProgramCache]: Analyzing trace with hash 731376245, now seen corresponding path program 5 times [2019-12-27 03:01:49,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 03:01:49,346 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95710780] [2019-12-27 03:01:49,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 03:01:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 03:01:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 03:01:49,547 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 03:01:49,547 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 03:01:49,551 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [740] [740] ULTIMATE.startENTRY-->L800: Formula: (let ((.cse0 (store |v_#valid_62| 0 0))) (and (= 0 v_~y$read_delayed_var~0.base_6) (= 0 v_~weak$$choice0~0_25) (= 0 v_~y$r_buff0_thd3~0_151) (= v_~y$w_buff1~0_200 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t1510~0.base_26|)) (= v_~y$w_buff0_used~0_650 0) (= v_~__unbuffered_cnt~0_109 0) (< 0 |v_#StackHeapBarrier_16|) (= 0 v_~y$w_buff0~0_308) (= 0 v_~y$r_buff1_thd3~0_122) (= v_~y$read_delayed~0_6 0) (= 0 v_~y$r_buff1_thd1~0_76) (= |v_#valid_60| (store .cse0 |v_ULTIMATE.start_main_~#t1510~0.base_26| 1)) (= (store |v_#length_24| |v_ULTIMATE.start_main_~#t1510~0.base_26| 4) |v_#length_23|) (= v_~z~0_51 0) (= v_~y$r_buff0_thd1~0_29 0) (= v_~main$tmp_guard1~0_28 0) (= v_~y$r_buff0_thd0~0_312 0) (= 0 v_~__unbuffered_p2_EAX~0_90) (= 0 v_~y$flush_delayed~0_45) (= v_~y$w_buff1_used~0_407 0) (= v_~y$r_buff0_thd2~0_88 0) (= (store |v_#memory_int_24| |v_ULTIMATE.start_main_~#t1510~0.base_26| (store (select |v_#memory_int_24| |v_ULTIMATE.start_main_~#t1510~0.base_26|) |v_ULTIMATE.start_main_~#t1510~0.offset_19| 0)) |v_#memory_int_23|) (= |v_#NULL.offset_5| 0) (= 0 v_~y$r_buff1_thd2~0_131) (= v_~y$mem_tmp~0_31 0) (= |v_ULTIMATE.start_main_~#t1510~0.offset_19| 0) (= 0 v_~y$read_delayed_var~0.offset_6) (= v_~y~0_150 0) (= v_~weak$$choice2~0_131 0) (= v_~y$r_buff1_thd0~0_254 0) (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t1510~0.base_26|) (= v_~main$tmp_guard0~0_24 0) (= 0 |v_#NULL.base_5|) (= v_~x~0_80 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_62|, #memory_int=|v_#memory_int_24|, #length=|v_#length_24|} OutVars{ULTIMATE.start_main_#t~ite28=|v_ULTIMATE.start_main_#t~ite28_28|, ULTIMATE.start_main_~#t1511~0.offset=|v_ULTIMATE.start_main_~#t1511~0.offset_19|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_#t~ite26=|v_ULTIMATE.start_main_#t~ite26_26|, ULTIMATE.start_main_#t~ite20=|v_ULTIMATE.start_main_#t~ite20_104|, ULTIMATE.start_main_#t~ite43=|v_ULTIMATE.start_main_#t~ite43_52|, ULTIMATE.start_main_#t~ite22=|v_ULTIMATE.start_main_#t~ite22_26|, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_38|, ~y$read_delayed~0=v_~y$read_delayed~0_6, ~y$mem_tmp~0=v_~y$mem_tmp~0_31, ~y$r_buff1_thd3~0=v_~y$r_buff1_thd3~0_122, ~y$r_buff0_thd1~0=v_~y$r_buff0_thd1~0_29, ~y$flush_delayed~0=v_~y$flush_delayed~0_45, ULTIMATE.start_main_~#t1510~0.base=|v_ULTIMATE.start_main_~#t1510~0.base_26|, #length=|v_#length_23|, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_90, ULTIMATE.start_main_#t~ite18=|v_ULTIMATE.start_main_#t~ite18_34|, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_142|, ULTIMATE.start_main_#t~nondet24=|v_ULTIMATE.start_main_#t~nondet24_44|, ULTIMATE.start_main_#t~ite35=|v_ULTIMATE.start_main_#t~ite35_31|, ULTIMATE.start_main_#t~ite37=|v_ULTIMATE.start_main_#t~ite37_98|, ULTIMATE.start_main_#t~ite31=|v_ULTIMATE.start_main_#t~ite31_27|, ULTIMATE.start_main_#t~ite33=|v_ULTIMATE.start_main_#t~ite33_26|, ~weak$$choice0~0=v_~weak$$choice0~0_25, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_28|, ~y$w_buff1~0=v_~y$w_buff1~0_200, ~y$read_delayed_var~0.base=v_~y$read_delayed_var~0.base_6, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_88, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_8|, ULTIMATE.start_main_#t~nondet17=|v_ULTIMATE.start_main_#t~nondet17_22|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_109, ~y$r_buff1_thd0~0=v_~y$r_buff1_thd0~0_254, ~x~0=v_~x~0_80, ~y$read_delayed_var~0.offset=v_~y$read_delayed_var~0.offset_6, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_650, ULTIMATE.start_main_#t~ite29=|v_ULTIMATE.start_main_#t~ite29_38|, ULTIMATE.start_main_#t~ite46=|v_ULTIMATE.start_main_#t~ite46_31|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_28, ULTIMATE.start_main_#t~ite27=|v_ULTIMATE.start_main_#t~ite27_28|, ULTIMATE.start_main_#t~ite21=|v_ULTIMATE.start_main_#t~ite21_32|, ULTIMATE.start_main_#t~ite42=|v_ULTIMATE.start_main_#t~ite42_16|, ULTIMATE.start_main_#t~ite23=|v_ULTIMATE.start_main_#t~ite23_58|, ULTIMATE.start_main_#t~ite44=|v_ULTIMATE.start_main_#t~ite44_50|, ~y$r_buff1_thd1~0=v_~y$r_buff1_thd1~0_76, ULTIMATE.start_main_~#t1512~0.base=|v_ULTIMATE.start_main_~#t1512~0.base_21|, ULTIMATE.start_main_#t~ite30=|v_ULTIMATE.start_main_#t~ite30_44|, ULTIMATE.start_main_~#t1510~0.offset=|v_ULTIMATE.start_main_~#t1510~0.offset_19|, ~y$w_buff0~0=v_~y$w_buff0~0_308, ~y$r_buff0_thd3~0=v_~y$r_buff0_thd3~0_151, ~y~0=v_~y~0_150, ULTIMATE.start_main_#t~ite19=|v_ULTIMATE.start_main_#t~ite19_30|, ULTIMATE.start_main_#t~nondet25=|v_ULTIMATE.start_main_#t~nondet25_44|, ULTIMATE.start_main_#t~ite36=|v_ULTIMATE.start_main_#t~ite36_26|, ULTIMATE.start_main_#t~ite38=|v_ULTIMATE.start_main_#t~ite38_96|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_24, ULTIMATE.start_main_#t~ite32=|v_ULTIMATE.start_main_#t~ite32_31|, #NULL.base=|v_#NULL.base_5|, ULTIMATE.start_main_#t~ite34=|v_ULTIMATE.start_main_#t~ite34_31|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_131, ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_28|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_18|, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_312, #valid=|v_#valid_60|, #memory_int=|v_#memory_int_23|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_8|, ULTIMATE.start_main_~#t1512~0.offset=|v_ULTIMATE.start_main_~#t1512~0.offset_14|, ~z~0=v_~z~0_51, ~weak$$choice2~0=v_~weak$$choice2~0_131, ULTIMATE.start_main_~#t1511~0.base=|v_ULTIMATE.start_main_~#t1511~0.base_26|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_407} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite28, ULTIMATE.start_main_~#t1511~0.offset, #NULL.offset, ULTIMATE.start_main_#t~ite26, ULTIMATE.start_main_#t~ite20, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite22, ULTIMATE.start_main_#t~ite45, ~y$read_delayed~0, ~y$mem_tmp~0, ~y$r_buff1_thd3~0, ~y$r_buff0_thd1~0, ~y$flush_delayed~0, ULTIMATE.start_main_~#t1510~0.base, #length, ~__unbuffered_p2_EAX~0, ULTIMATE.start_main_#t~ite18, ULTIMATE.start_main_#t~ite39, ULTIMATE.start_main_#t~nondet24, ULTIMATE.start_main_#t~ite35, ULTIMATE.start_main_#t~ite37, ULTIMATE.start_main_#t~ite31, ULTIMATE.start_main_#t~ite33, ~weak$$choice0~0, ULTIMATE.start_main_#t~ite40, ~y$w_buff1~0, ~y$read_delayed_var~0.base, ~y$r_buff0_thd2~0, ULTIMATE.start_main_#t~nondet15, ULTIMATE.start_main_#t~nondet17, ~__unbuffered_cnt~0, ~y$r_buff1_thd0~0, ~x~0, ~y$read_delayed_var~0.offset, ~y$w_buff0_used~0, ULTIMATE.start_main_#t~ite29, ULTIMATE.start_main_#t~ite46, ~main$tmp_guard1~0, ULTIMATE.start_main_#t~ite27, ULTIMATE.start_main_#t~ite21, ULTIMATE.start_main_#t~ite42, ULTIMATE.start_main_#t~ite23, ULTIMATE.start_main_#t~ite44, ~y$r_buff1_thd1~0, ULTIMATE.start_main_~#t1512~0.base, ULTIMATE.start_main_#t~ite30, ULTIMATE.start_main_~#t1510~0.offset, ~y$w_buff0~0, ~y$r_buff0_thd3~0, ~y~0, ULTIMATE.start_main_#t~ite19, ULTIMATE.start_main_#t~nondet25, ULTIMATE.start_main_#t~ite36, ULTIMATE.start_main_#t~ite38, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~ite32, #NULL.base, ULTIMATE.start_main_#t~ite34, ~y$r_buff1_thd2~0, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#res, ~y$r_buff0_thd0~0, #valid, #memory_int, ULTIMATE.start_main_#t~nondet16, ULTIMATE.start_main_~#t1512~0.offset, ~z~0, ~weak$$choice2~0, ULTIMATE.start_main_~#t1511~0.base, ~y$w_buff1_used~0] because there is no mapped edge [2019-12-27 03:01:49,552 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [715] [715] L800-1-->L802: Formula: (and (= |v_#length_17| (store |v_#length_18| |v_ULTIMATE.start_main_~#t1511~0.base_13| 4)) (= |v_ULTIMATE.start_main_~#t1511~0.offset_11| 0) (= (select |v_#valid_41| |v_ULTIMATE.start_main_~#t1511~0.base_13|) 0) (= |v_#memory_int_17| (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1511~0.base_13| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#t1511~0.base_13|) |v_ULTIMATE.start_main_~#t1511~0.offset_11| 1))) (= |v_#valid_40| (store |v_#valid_41| |v_ULTIMATE.start_main_~#t1511~0.base_13| 1)) (< |v_#StackHeapBarrier_12| |v_ULTIMATE.start_main_~#t1511~0.base_13|) (not (= 0 |v_ULTIMATE.start_main_~#t1511~0.base_13|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_41|, #memory_int=|v_#memory_int_18|, #length=|v_#length_18|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_12|, #valid=|v_#valid_40|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_5|, ULTIMATE.start_main_~#t1511~0.offset=|v_ULTIMATE.start_main_~#t1511~0.offset_11|, #length=|v_#length_17|, ULTIMATE.start_main_~#t1511~0.base=|v_ULTIMATE.start_main_~#t1511~0.base_13|} AuxVars[] AssignedVars[#valid, #memory_int, ULTIMATE.start_main_#t~nondet15, ULTIMATE.start_main_~#t1511~0.offset, #length, ULTIMATE.start_main_~#t1511~0.base] because there is no mapped edge [2019-12-27 03:01:49,553 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [714] [714] L802-1-->L804: Formula: (and (= (store |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1512~0.base_12| (store (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1512~0.base_12|) |v_ULTIMATE.start_main_~#t1512~0.offset_10| 2)) |v_#memory_int_15|) (< |v_#StackHeapBarrier_11| |v_ULTIMATE.start_main_~#t1512~0.base_12|) (= (select |v_#valid_39| |v_ULTIMATE.start_main_~#t1512~0.base_12|) 0) (= (store |v_#valid_39| |v_ULTIMATE.start_main_~#t1512~0.base_12| 1) |v_#valid_38|) (not (= |v_ULTIMATE.start_main_~#t1512~0.base_12| 0)) (= |v_ULTIMATE.start_main_~#t1512~0.offset_10| 0) (= (store |v_#length_16| |v_ULTIMATE.start_main_~#t1512~0.base_12| 4) |v_#length_15|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_39|, #memory_int=|v_#memory_int_16|, #length=|v_#length_16|} OutVars{ULTIMATE.start_main_~#t1512~0.base=|v_ULTIMATE.start_main_~#t1512~0.base_12|, #StackHeapBarrier=|v_#StackHeapBarrier_11|, #valid=|v_#valid_38|, #memory_int=|v_#memory_int_15|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_5|, ULTIMATE.start_main_~#t1512~0.offset=|v_ULTIMATE.start_main_~#t1512~0.offset_10|, #length=|v_#length_15|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t1512~0.base, #valid, #memory_int, ULTIMATE.start_main_#t~nondet16, ULTIMATE.start_main_~#t1512~0.offset, #length] because there is no mapped edge [2019-12-27 03:01:49,554 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [641] [641] P2ENTRY-->L4-3: Formula: (and (= 1 |v_P2Thread1of1ForFork0___VERIFIER_assert_#in~expression_8|) (= 2 v_~y$w_buff0~0_40) (= v_~y$w_buff0_used~0_161 1) (= v_~y$w_buff0~0_41 v_~y$w_buff1~0_32) (= v_P2Thread1of1ForFork0___VERIFIER_assert_~expression_12 |v_P2Thread1of1ForFork0___VERIFIER_assert_#in~expression_8|) (= v_P2Thread1of1ForFork0_~arg.base_8 |v_P2Thread1of1ForFork0_#in~arg.base_8|) (= (mod v_~y$w_buff1_used~0_89 256) 0) (= v_P2Thread1of1ForFork0_~arg.offset_8 |v_P2Thread1of1ForFork0_#in~arg.offset_8|) (= v_~y$w_buff1_used~0_89 v_~y$w_buff0_used~0_162)) InVars {P2Thread1of1ForFork0_#in~arg.offset=|v_P2Thread1of1ForFork0_#in~arg.offset_8|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_162, ~y$w_buff0~0=v_~y$w_buff0~0_41, P2Thread1of1ForFork0_#in~arg.base=|v_P2Thread1of1ForFork0_#in~arg.base_8|} OutVars{P2Thread1of1ForFork0_~arg.base=v_P2Thread1of1ForFork0_~arg.base_8, P2Thread1of1ForFork0_#in~arg.offset=|v_P2Thread1of1ForFork0_#in~arg.offset_8|, P2Thread1of1ForFork0___VERIFIER_assert_#in~expression=|v_P2Thread1of1ForFork0___VERIFIER_assert_#in~expression_8|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_161, ~y$w_buff1~0=v_~y$w_buff1~0_32, ~y$w_buff0~0=v_~y$w_buff0~0_40, P2Thread1of1ForFork0_~arg.offset=v_P2Thread1of1ForFork0_~arg.offset_8, P2Thread1of1ForFork0_#in~arg.base=|v_P2Thread1of1ForFork0_#in~arg.base_8|, P2Thread1of1ForFork0___VERIFIER_assert_~expression=v_P2Thread1of1ForFork0___VERIFIER_assert_~expression_12, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_89} AuxVars[] AssignedVars[P2Thread1of1ForFork0_~arg.base, P2Thread1of1ForFork0___VERIFIER_assert_#in~expression, ~y$w_buff0_used~0, ~y$w_buff1~0, ~y$w_buff0~0, P2Thread1of1ForFork0_~arg.offset, P2Thread1of1ForFork0___VERIFIER_assert_~expression, ~y$w_buff1_used~0] because there is no mapped edge [2019-12-27 03:01:49,555 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [704] [704] P0ENTRY-->P0EXIT: Formula: (and (= v_~z~0_35 1) (= |v_P0Thread1of1ForFork1_#res.base_11| 0) (= |v_P0Thread1of1ForFork1_#in~arg.base_21| v_P0Thread1of1ForFork1_~arg.base_21) (= v_P0Thread1of1ForFork1_~arg.offset_21 |v_P0Thread1of1ForFork1_#in~arg.offset_21|) (= 0 |v_P0Thread1of1ForFork1_#res.offset_11|) (= v_~x~0_49 1) (= v_~__unbuffered_cnt~0_67 (+ v_~__unbuffered_cnt~0_68 1))) InVars {P0Thread1of1ForFork1_#in~arg.offset=|v_P0Thread1of1ForFork1_#in~arg.offset_21|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_68, P0Thread1of1ForFork1_#in~arg.base=|v_P0Thread1of1ForFork1_#in~arg.base_21|} OutVars{P0Thread1of1ForFork1_#res.offset=|v_P0Thread1of1ForFork1_#res.offset_11|, P0Thread1of1ForFork1_#in~arg.offset=|v_P0Thread1of1ForFork1_#in~arg.offset_21|, P0Thread1of1ForFork1_#res.base=|v_P0Thread1of1ForFork1_#res.base_11|, P0Thread1of1ForFork1_~arg.offset=v_P0Thread1of1ForFork1_~arg.offset_21, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_67, ~z~0=v_~z~0_35, P0Thread1of1ForFork1_#in~arg.base=|v_P0Thread1of1ForFork1_#in~arg.base_21|, ~x~0=v_~x~0_49, P0Thread1of1ForFork1_~arg.base=v_P0Thread1of1ForFork1_~arg.base_21} AuxVars[] AssignedVars[P0Thread1of1ForFork1_#res.offset, P0Thread1of1ForFork1_#res.base, P0Thread1of1ForFork1_~arg.offset, ~__unbuffered_cnt~0, ~z~0, ~x~0, P0Thread1of1ForFork1_~arg.base] because there is no mapped edge [2019-12-27 03:01:49,558 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [679] [679] L778-->L778-2: Formula: (let ((.cse0 (= (mod ~y$r_buff0_thd3~0_In330068897 256) 0)) (.cse1 (= (mod ~y$w_buff0_used~0_In330068897 256) 0))) (or (and (= 0 |P2Thread1of1ForFork0_#t~ite11_Out330068897|) (not .cse0) (not .cse1)) (and (= ~y$w_buff0_used~0_In330068897 |P2Thread1of1ForFork0_#t~ite11_Out330068897|) (or .cse0 .cse1)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In330068897, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_In330068897} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In330068897, P2Thread1of1ForFork0_#t~ite11=|P2Thread1of1ForFork0_#t~ite11_Out330068897|, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_In330068897} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite11] because there is no mapped edge [2019-12-27 03:01:49,559 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [694] [694] L748-2-->L748-4: Formula: (let ((.cse1 (= (mod ~y$r_buff1_thd2~0_In-1990067568 256) 0)) (.cse0 (= (mod ~y$w_buff1_used~0_In-1990067568 256) 0))) (or (and (not .cse0) (not .cse1) (= |P1Thread1of1ForFork2_#t~ite3_Out-1990067568| ~y$w_buff1~0_In-1990067568)) (and (or .cse1 .cse0) (= |P1Thread1of1ForFork2_#t~ite3_Out-1990067568| ~y~0_In-1990067568)))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-1990067568, ~y$w_buff1~0=~y$w_buff1~0_In-1990067568, ~y~0=~y~0_In-1990067568, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1990067568} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-1990067568, ~y$w_buff1~0=~y$w_buff1~0_In-1990067568, ~y~0=~y~0_In-1990067568, P1Thread1of1ForFork2_#t~ite3=|P1Thread1of1ForFork2_#t~ite3_Out-1990067568|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1990067568} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite3] because there is no mapped edge [2019-12-27 03:01:49,559 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [618] [618] L748-4-->L749: Formula: (= |v_P1Thread1of1ForFork2_#t~ite3_12| v_~y~0_21) InVars {P1Thread1of1ForFork2_#t~ite3=|v_P1Thread1of1ForFork2_#t~ite3_12|} OutVars{P1Thread1of1ForFork2_#t~ite4=|v_P1Thread1of1ForFork2_#t~ite4_13|, ~y~0=v_~y~0_21, P1Thread1of1ForFork2_#t~ite3=|v_P1Thread1of1ForFork2_#t~ite3_11|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite4, ~y~0, P1Thread1of1ForFork2_#t~ite3] because there is no mapped edge [2019-12-27 03:01:49,559 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [677] [677] L749-->L749-2: Formula: (let ((.cse1 (= 0 (mod ~y$r_buff0_thd2~0_In-1735676395 256))) (.cse0 (= (mod ~y$w_buff0_used~0_In-1735676395 256) 0))) (or (and (not .cse0) (= 0 |P1Thread1of1ForFork2_#t~ite5_Out-1735676395|) (not .cse1)) (and (= ~y$w_buff0_used~0_In-1735676395 |P1Thread1of1ForFork2_#t~ite5_Out-1735676395|) (or .cse1 .cse0)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-1735676395, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-1735676395} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-1735676395, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-1735676395, P1Thread1of1ForFork2_#t~ite5=|P1Thread1of1ForFork2_#t~ite5_Out-1735676395|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite5] because there is no mapped edge [2019-12-27 03:01:49,560 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [689] [689] L750-->L750-2: Formula: (let ((.cse0 (= (mod ~y$w_buff0_used~0_In-512625225 256) 0)) (.cse1 (= 0 (mod ~y$r_buff0_thd2~0_In-512625225 256))) (.cse3 (= 0 (mod ~y$w_buff1_used~0_In-512625225 256))) (.cse2 (= 0 (mod ~y$r_buff1_thd2~0_In-512625225 256)))) (or (and (= ~y$w_buff1_used~0_In-512625225 |P1Thread1of1ForFork2_#t~ite6_Out-512625225|) (or .cse0 .cse1) (or .cse2 .cse3)) (and (or (and (not .cse0) (not .cse1)) (and (not .cse3) (not .cse2))) (= 0 |P1Thread1of1ForFork2_#t~ite6_Out-512625225|)))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-512625225, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-512625225, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-512625225, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-512625225} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-512625225, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-512625225, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-512625225, P1Thread1of1ForFork2_#t~ite6=|P1Thread1of1ForFork2_#t~ite6_Out-512625225|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-512625225} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite6] because there is no mapped edge [2019-12-27 03:01:49,561 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [688] [688] L751-->L751-2: Formula: (let ((.cse0 (= (mod ~y$r_buff0_thd2~0_In-2086568566 256) 0)) (.cse1 (= (mod ~y$w_buff0_used~0_In-2086568566 256) 0))) (or (and (= ~y$r_buff0_thd2~0_In-2086568566 |P1Thread1of1ForFork2_#t~ite7_Out-2086568566|) (or .cse0 .cse1)) (and (not .cse0) (not .cse1) (= |P1Thread1of1ForFork2_#t~ite7_Out-2086568566| 0)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-2086568566, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-2086568566} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-2086568566, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-2086568566, P1Thread1of1ForFork2_#t~ite7=|P1Thread1of1ForFork2_#t~ite7_Out-2086568566|} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite7] because there is no mapped edge [2019-12-27 03:01:49,563 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [690] [690] L779-->L779-2: Formula: (let ((.cse0 (= (mod ~y$r_buff1_thd3~0_In-882777905 256) 0)) (.cse1 (= (mod ~y$w_buff1_used~0_In-882777905 256) 0)) (.cse3 (= 0 (mod ~y$w_buff0_used~0_In-882777905 256))) (.cse2 (= 0 (mod ~y$r_buff0_thd3~0_In-882777905 256)))) (or (and (or .cse0 .cse1) (or .cse2 .cse3) (= ~y$w_buff1_used~0_In-882777905 |P2Thread1of1ForFork0_#t~ite12_Out-882777905|)) (and (or (and (not .cse0) (not .cse1)) (and (not .cse3) (not .cse2))) (= 0 |P2Thread1of1ForFork0_#t~ite12_Out-882777905|)))) InVars {~y$r_buff1_thd3~0=~y$r_buff1_thd3~0_In-882777905, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-882777905, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_In-882777905, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-882777905} OutVars{~y$r_buff1_thd3~0=~y$r_buff1_thd3~0_In-882777905, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-882777905, P2Thread1of1ForFork0_#t~ite12=|P2Thread1of1ForFork0_#t~ite12_Out-882777905|, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_In-882777905, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-882777905} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite12] because there is no mapped edge [2019-12-27 03:01:49,563 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [686] [686] L752-->L752-2: Formula: (let ((.cse3 (= 0 (mod ~y$w_buff0_used~0_In-572362998 256))) (.cse2 (= (mod ~y$r_buff0_thd2~0_In-572362998 256) 0)) (.cse0 (= (mod ~y$r_buff1_thd2~0_In-572362998 256) 0)) (.cse1 (= (mod ~y$w_buff1_used~0_In-572362998 256) 0))) (or (and (= |P1Thread1of1ForFork2_#t~ite8_Out-572362998| 0) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (= |P1Thread1of1ForFork2_#t~ite8_Out-572362998| ~y$r_buff1_thd2~0_In-572362998) (or .cse3 .cse2) (or .cse0 .cse1)))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-572362998, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-572362998, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-572362998, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-572362998} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-572362998, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-572362998, P1Thread1of1ForFork2_#t~ite8=|P1Thread1of1ForFork2_#t~ite8_Out-572362998|, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In-572362998, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-572362998} AuxVars[] AssignedVars[P1Thread1of1ForFork2_#t~ite8] because there is no mapped edge [2019-12-27 03:01:49,563 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [716] [716] L752-2-->P1EXIT: Formula: (and (= |v_P1Thread1of1ForFork2_#t~ite8_28| v_~y$r_buff1_thd2~0_56) (= 0 |v_P1Thread1of1ForFork2_#res.offset_5|) (= (+ v_~__unbuffered_cnt~0_75 1) v_~__unbuffered_cnt~0_74) (= 0 |v_P1Thread1of1ForFork2_#res.base_5|)) InVars {P1Thread1of1ForFork2_#t~ite8=|v_P1Thread1of1ForFork2_#t~ite8_28|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_75} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_56, P1Thread1of1ForFork2_#res.offset=|v_P1Thread1of1ForFork2_#res.offset_5|, P1Thread1of1ForFork2_#t~ite8=|v_P1Thread1of1ForFork2_#t~ite8_27|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_74, P1Thread1of1ForFork2_#res.base=|v_P1Thread1of1ForFork2_#res.base_5|} AuxVars[] AssignedVars[~y$r_buff1_thd2~0, P1Thread1of1ForFork2_#res.offset, P1Thread1of1ForFork2_#t~ite8, ~__unbuffered_cnt~0, P1Thread1of1ForFork2_#res.base] because there is no mapped edge [2019-12-27 03:01:49,564 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [693] [693] L780-->L781: Formula: (let ((.cse1 (= 0 (mod ~y$w_buff0_used~0_In-646750663 256))) (.cse0 (= (mod ~y$r_buff0_thd3~0_In-646750663 256) 0))) (or (and (= ~y$r_buff0_thd3~0_In-646750663 ~y$r_buff0_thd3~0_Out-646750663) (or .cse0 .cse1)) (and (not .cse1) (= 0 ~y$r_buff0_thd3~0_Out-646750663) (not .cse0)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-646750663, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_In-646750663} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-646750663, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_Out-646750663, P2Thread1of1ForFork0_#t~ite13=|P2Thread1of1ForFork0_#t~ite13_Out-646750663|} AuxVars[] AssignedVars[~y$r_buff0_thd3~0, P2Thread1of1ForFork0_#t~ite13] because there is no mapped edge [2019-12-27 03:01:49,564 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [681] [681] L781-->L781-2: Formula: (let ((.cse0 (= (mod ~y$r_buff0_thd3~0_In1203704827 256) 0)) (.cse1 (= 0 (mod ~y$w_buff0_used~0_In1203704827 256))) (.cse3 (= (mod ~y$w_buff1_used~0_In1203704827 256) 0)) (.cse2 (= (mod ~y$r_buff1_thd3~0_In1203704827 256) 0))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= 0 |P2Thread1of1ForFork0_#t~ite14_Out1203704827|)) (and (or .cse0 .cse1) (= |P2Thread1of1ForFork0_#t~ite14_Out1203704827| ~y$r_buff1_thd3~0_In1203704827) (or .cse3 .cse2)))) InVars {~y$r_buff1_thd3~0=~y$r_buff1_thd3~0_In1203704827, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1203704827, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_In1203704827, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1203704827} OutVars{P2Thread1of1ForFork0_#t~ite14=|P2Thread1of1ForFork0_#t~ite14_Out1203704827|, ~y$r_buff1_thd3~0=~y$r_buff1_thd3~0_In1203704827, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1203704827, ~y$r_buff0_thd3~0=~y$r_buff0_thd3~0_In1203704827, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1203704827} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite14] because there is no mapped edge [2019-12-27 03:01:49,564 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [722] [722] L781-2-->P2EXIT: Formula: (and (= |v_P2Thread1of1ForFork0_#res.offset_5| 0) (= |v_P2Thread1of1ForFork0_#t~ite14_40| v_~y$r_buff1_thd3~0_68) (= |v_P2Thread1of1ForFork0_#res.base_5| 0) (= v_~__unbuffered_cnt~0_90 (+ v_~__unbuffered_cnt~0_91 1))) InVars {P2Thread1of1ForFork0_#t~ite14=|v_P2Thread1of1ForFork0_#t~ite14_40|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_91} OutVars{P2Thread1of1ForFork0_#t~ite14=|v_P2Thread1of1ForFork0_#t~ite14_39|, ~y$r_buff1_thd3~0=v_~y$r_buff1_thd3~0_68, P2Thread1of1ForFork0_#res.base=|v_P2Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_90, P2Thread1of1ForFork0_#res.offset=|v_P2Thread1of1ForFork0_#res.offset_5|} AuxVars[] AssignedVars[P2Thread1of1ForFork0_#t~ite14, ~y$r_buff1_thd3~0, P2Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0, P2Thread1of1ForFork0_#res.offset] because there is no mapped edge [2019-12-27 03:01:49,564 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [617] [617] L804-1-->L810: Formula: (and (= 3 v_~__unbuffered_cnt~0_13) (= v_~main$tmp_guard0~0_6 1)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_13} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_13, ULTIMATE.start_main_#t~nondet17=|v_ULTIMATE.start_main_#t~nondet17_5|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet17, ~main$tmp_guard0~0] because there is no mapped edge [2019-12-27 03:01:49,565 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [685] [685] L810-2-->L810-4: Formula: (let ((.cse0 (= (mod ~y$r_buff1_thd0~0_In-936214900 256) 0)) (.cse1 (= (mod ~y$w_buff1_used~0_In-936214900 256) 0))) (or (and (not .cse0) (not .cse1) (= ~y$w_buff1~0_In-936214900 |ULTIMATE.start_main_#t~ite18_Out-936214900|)) (and (or .cse0 .cse1) (= |ULTIMATE.start_main_#t~ite18_Out-936214900| ~y~0_In-936214900)))) InVars {~y$w_buff1~0=~y$w_buff1~0_In-936214900, ~y~0=~y~0_In-936214900, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-936214900, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-936214900} OutVars{~y$w_buff1~0=~y$w_buff1~0_In-936214900, ULTIMATE.start_main_#t~ite18=|ULTIMATE.start_main_#t~ite18_Out-936214900|, ~y~0=~y~0_In-936214900, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-936214900, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-936214900} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite18] because there is no mapped edge [2019-12-27 03:01:49,566 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [636] [636] L810-4-->L811: Formula: (= v_~y~0_40 |v_ULTIMATE.start_main_#t~ite18_13|) InVars {ULTIMATE.start_main_#t~ite18=|v_ULTIMATE.start_main_#t~ite18_13|} OutVars{ULTIMATE.start_main_#t~ite18=|v_ULTIMATE.start_main_#t~ite18_12|, ULTIMATE.start_main_#t~ite19=|v_ULTIMATE.start_main_#t~ite19_12|, ~y~0=v_~y~0_40} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite18, ULTIMATE.start_main_#t~ite19, ~y~0] because there is no mapped edge [2019-12-27 03:01:49,566 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [692] [692] L811-->L811-2: Formula: (let ((.cse0 (= (mod ~y$r_buff0_thd0~0_In-1488876821 256) 0)) (.cse1 (= 0 (mod ~y$w_buff0_used~0_In-1488876821 256)))) (or (and (or .cse0 .cse1) (= ~y$w_buff0_used~0_In-1488876821 |ULTIMATE.start_main_#t~ite20_Out-1488876821|)) (and (= 0 |ULTIMATE.start_main_#t~ite20_Out-1488876821|) (not .cse0) (not .cse1)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-1488876821, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1488876821} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-1488876821, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1488876821, ULTIMATE.start_main_#t~ite20=|ULTIMATE.start_main_#t~ite20_Out-1488876821|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite20] because there is no mapped edge [2019-12-27 03:01:49,567 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [678] [678] L812-->L812-2: Formula: (let ((.cse1 (= 0 (mod ~y$w_buff0_used~0_In-478200723 256))) (.cse0 (= (mod ~y$r_buff0_thd0~0_In-478200723 256) 0)) (.cse2 (= (mod ~y$w_buff1_used~0_In-478200723 256) 0)) (.cse3 (= 0 (mod ~y$r_buff1_thd0~0_In-478200723 256)))) (or (and (or .cse0 .cse1) (or .cse2 .cse3) (= ~y$w_buff1_used~0_In-478200723 |ULTIMATE.start_main_#t~ite21_Out-478200723|)) (and (= 0 |ULTIMATE.start_main_#t~ite21_Out-478200723|) (or (and (not .cse1) (not .cse0)) (and (not .cse2) (not .cse3)))))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-478200723, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-478200723, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-478200723, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-478200723} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-478200723, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-478200723, ULTIMATE.start_main_#t~ite21=|ULTIMATE.start_main_#t~ite21_Out-478200723|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-478200723, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-478200723} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite21] because there is no mapped edge [2019-12-27 03:01:49,568 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [682] [682] L813-->L813-2: Formula: (let ((.cse1 (= (mod ~y$r_buff0_thd0~0_In-1065158720 256) 0)) (.cse0 (= 0 (mod ~y$w_buff0_used~0_In-1065158720 256)))) (or (and (= ~y$r_buff0_thd0~0_In-1065158720 |ULTIMATE.start_main_#t~ite22_Out-1065158720|) (or .cse0 .cse1)) (and (not .cse1) (not .cse0) (= 0 |ULTIMATE.start_main_#t~ite22_Out-1065158720|)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-1065158720, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1065158720} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-1065158720, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1065158720, ULTIMATE.start_main_#t~ite22=|ULTIMATE.start_main_#t~ite22_Out-1065158720|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite22] because there is no mapped edge [2019-12-27 03:01:49,569 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [684] [684] L814-->L814-2: Formula: (let ((.cse3 (= (mod ~y$r_buff1_thd0~0_In-449946712 256) 0)) (.cse2 (= 0 (mod ~y$w_buff1_used~0_In-449946712 256))) (.cse1 (= 0 (mod ~y$w_buff0_used~0_In-449946712 256))) (.cse0 (= 0 (mod ~y$r_buff0_thd0~0_In-449946712 256)))) (or (and (or .cse0 .cse1) (= ~y$r_buff1_thd0~0_In-449946712 |ULTIMATE.start_main_#t~ite23_Out-449946712|) (or .cse2 .cse3)) (and (= |ULTIMATE.start_main_#t~ite23_Out-449946712| 0) (or (and (not .cse3) (not .cse2)) (and (not .cse1) (not .cse0)))))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-449946712, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-449946712, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-449946712, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-449946712} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-449946712, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-449946712, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-449946712, ULTIMATE.start_main_#t~ite23=|ULTIMATE.start_main_#t~ite23_Out-449946712|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-449946712} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite23] because there is no mapped edge [2019-12-27 03:01:49,572 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [723] [723] L822-->L822-8: Formula: (let ((.cse1 (= 0 (mod ~weak$$choice2~0_In-991447936 256)))) (or (and (= |ULTIMATE.start_main_#t~ite30_Out-991447936| |ULTIMATE.start_main_#t~ite29_Out-991447936|) (= ~y$w_buff0~0_In-991447936 |ULTIMATE.start_main_#t~ite29_Out-991447936|) (let ((.cse0 (= 0 (mod ~y$r_buff0_thd0~0_In-991447936 256)))) (or (and .cse0 (= 0 (mod ~y$r_buff1_thd0~0_In-991447936 256))) (= 0 (mod ~y$w_buff0_used~0_In-991447936 256)) (and .cse0 (= 0 (mod ~y$w_buff1_used~0_In-991447936 256))))) .cse1) (and (= |ULTIMATE.start_main_#t~ite29_In-991447936| |ULTIMATE.start_main_#t~ite29_Out-991447936|) (= |ULTIMATE.start_main_#t~ite30_Out-991447936| ~y$w_buff0~0_In-991447936) (not .cse1)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-991447936, ULTIMATE.start_main_#t~ite29=|ULTIMATE.start_main_#t~ite29_In-991447936|, ~y$w_buff0~0=~y$w_buff0~0_In-991447936, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-991447936, ~weak$$choice2~0=~weak$$choice2~0_In-991447936, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-991447936, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-991447936} OutVars{ULTIMATE.start_main_#t~ite30=|ULTIMATE.start_main_#t~ite30_Out-991447936|, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-991447936, ULTIMATE.start_main_#t~ite29=|ULTIMATE.start_main_#t~ite29_Out-991447936|, ~y$w_buff0~0=~y$w_buff0~0_In-991447936, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-991447936, ~weak$$choice2~0=~weak$$choice2~0_In-991447936, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-991447936, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-991447936} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite30, ULTIMATE.start_main_#t~ite29] because there is no mapped edge [2019-12-27 03:01:49,576 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [631] [631] L826-->L827: Formula: (and (not (= (mod v_~weak$$choice2~0_27 256) 0)) (= v_~y$r_buff0_thd0~0_86 v_~y$r_buff0_thd0~0_85)) InVars {~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_86, ~weak$$choice2~0=v_~weak$$choice2~0_27} OutVars{ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_6|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_10|, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_85, ~weak$$choice2~0=v_~weak$$choice2~0_27, ULTIMATE.start_main_#t~ite42=|v_ULTIMATE.start_main_#t~ite42_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ~y$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite42] because there is no mapped edge [2019-12-27 03:01:49,577 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [709] [709] L829-->L832-1: Formula: (and (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_5| (mod v_~main$tmp_guard1~0_12 256)) (= v_~y~0_109 v_~y$mem_tmp~0_21) (not (= 0 (mod v_~y$flush_delayed~0_33 256))) (= 0 v_~y$flush_delayed~0_32)) InVars {~y$mem_tmp~0=v_~y$mem_tmp~0_21, ~y$flush_delayed~0=v_~y$flush_delayed~0_33, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_12} OutVars{~y$mem_tmp~0=v_~y$mem_tmp~0_21, ~y$flush_delayed~0=v_~y$flush_delayed~0_32, ULTIMATE.start_main_#t~ite46=|v_ULTIMATE.start_main_#t~ite46_24|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_12, ~y~0=v_~y~0_109, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_5|} AuxVars[] AssignedVars[~y$flush_delayed~0, ULTIMATE.start_main_#t~ite46, ~y~0, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-27 03:01:49,578 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [720] [720] L832-1-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_11 0)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_11, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] because there is no mapped edge [2019-12-27 03:01:49,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 03:01:49 BasicIcfg [2019-12-27 03:01:49,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 03:01:49,667 INFO L168 Benchmark]: Toolchain (without parser) took 16969.82 ms. Allocated memory was 146.3 MB in the beginning and 819.5 MB in the end (delta: 673.2 MB). Free memory was 102.2 MB in the beginning and 599.2 MB in the end (delta: -497.0 MB). Peak memory consumption was 537.3 MB. Max. memory is 7.1 GB. [2019-12-27 03:01:49,668 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 03:01:49,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.00 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 155.9 MB in the end (delta: -54.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-12-27 03:01:49,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.58 ms. Allocated memory is still 203.9 MB. Free memory was 155.9 MB in the beginning and 152.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-12-27 03:01:49,670 INFO L168 Benchmark]: Boogie Preprocessor took 42.38 ms. Allocated memory is still 203.9 MB. Free memory was 152.6 MB in the beginning and 150.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 03:01:49,671 INFO L168 Benchmark]: RCFGBuilder took 800.19 ms. Allocated memory is still 203.9 MB. Free memory was 150.6 MB in the beginning and 103.9 MB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 7.1 GB. [2019-12-27 03:01:49,671 INFO L168 Benchmark]: TraceAbstraction took 15256.47 ms. Allocated memory was 203.9 MB in the beginning and 819.5 MB in the end (delta: 615.5 MB). Free memory was 103.2 MB in the beginning and 599.2 MB in the end (delta: -495.9 MB). Peak memory consumption was 480.7 MB. Max. memory is 7.1 GB. [2019-12-27 03:01:49,675 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 797.00 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 155.9 MB in the end (delta: -54.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 68.58 ms. Allocated memory is still 203.9 MB. Free memory was 155.9 MB in the beginning and 152.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.38 ms. Allocated memory is still 203.9 MB. Free memory was 152.6 MB in the beginning and 150.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 800.19 ms. Allocated memory is still 203.9 MB. Free memory was 150.6 MB in the beginning and 103.9 MB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15256.47 ms. Allocated memory was 203.9 MB in the beginning and 819.5 MB in the end (delta: 615.5 MB). Free memory was 103.2 MB in the beginning and 599.2 MB in the end (delta: -495.9 MB). Peak memory consumption was 480.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.9s, 162 ProgramPointsBefore, 83 ProgramPointsAfterwards, 193 TransitionsBefore, 92 TransitionsAfterwards, 11490 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 34 ConcurrentYvCompositions, 26 ChoiceCompositions, 3955 VarBasedMoverChecksPositive, 193 VarBasedMoverChecksNegative, 45 SemBasedMoverChecksPositive, 196 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.3s, 0 MoverChecksTotal, 48383 CheckedPairsTotal, 109 TotalNumberOfCompositions - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L800] FCALL, FORK 0 pthread_create(&t1510, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L802] FCALL, FORK 0 pthread_create(&t1511, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L804] FCALL, FORK 0 pthread_create(&t1512, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L767] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L768] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L769] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L770] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L771] 3 y$r_buff0_thd3 = (_Bool)1 [L774] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L777] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L742] 2 x = 2 [L745] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L777] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L748] 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L749] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L750] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L751] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L778] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L779] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L810] 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L811] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L812] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L813] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L814] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L817] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L818] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L819] 0 y$flush_delayed = weak$$choice2 [L820] 0 y$mem_tmp = y VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=2, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L821] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=2, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L821] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L822] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L823] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=2, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L823] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L824] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=2, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L824] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L825] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=2, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L825] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L827] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=2, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L827] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L828] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=1, x=2, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 153 locations, 2 error locations. Result: UNSAFE, OverallTime: 14.9s, OverallIterations: 15, TraceHistogramMax: 1, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1389 SDtfs, 1442 SDslu, 3182 SDs, 0 SdLazy, 1400 SolverSat, 113 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 18 SyntacticMatches, 7 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22166occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 3943 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 634 NumberOfCodeBlocks, 634 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 563 ConstructedInterpolants, 0 QuantifiedInterpolants, 113491 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...