/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix001_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 18:03:22,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 18:03:22,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 18:03:22,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 18:03:22,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 18:03:22,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 18:03:22,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 18:03:22,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 18:03:22,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 18:03:22,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 18:03:22,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 18:03:22,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 18:03:22,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 18:03:22,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 18:03:22,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 18:03:22,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 18:03:22,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 18:03:22,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 18:03:22,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 18:03:22,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 18:03:22,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 18:03:22,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 18:03:22,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 18:03:22,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 18:03:22,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-11 18:03:22,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 18:03:22,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 18:03:22,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 18:03:22,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 18:03:22,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 18:03:22,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 18:03:22,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 18:03:22,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 18:03:22,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 18:03:22,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 18:03:22,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 18:03:22,481 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 18:03:22,504 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 18:03:22,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 18:03:22,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 18:03:22,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 18:03:22,506 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 18:03:22,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 18:03:22,507 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 18:03:22,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 18:03:22,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 18:03:22,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 18:03:22,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 18:03:22,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 18:03:22,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 18:03:22,508 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 18:03:22,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 18:03:22,508 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 18:03:22,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 18:03:22,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 18:03:22,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 18:03:22,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 18:03:22,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 18:03:22,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 18:03:22,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 18:03:22,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 18:03:22,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 18:03:22,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 18:03:22,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 18:03:22,511 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 18:03:22,511 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 18:03:22,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 18:03:22,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 18:03:22,842 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 18:03:22,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 18:03:22,847 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 18:03:22,848 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 18:03:22,848 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix001_rmo.opt.i [2020-10-11 18:03:22,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be5262ef/a3258e64c12e42ffa6123b7aa21da3c1/FLAG483171ba0 [2020-10-11 18:03:23,410 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 18:03:23,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix001_rmo.opt.i [2020-10-11 18:03:23,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be5262ef/a3258e64c12e42ffa6123b7aa21da3c1/FLAG483171ba0 [2020-10-11 18:03:23,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be5262ef/a3258e64c12e42ffa6123b7aa21da3c1 [2020-10-11 18:03:23,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 18:03:23,697 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 18:03:23,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 18:03:23,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 18:03:23,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 18:03:23,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:03:23" (1/1) ... [2020-10-11 18:03:23,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3cc3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:23, skipping insertion in model container [2020-10-11 18:03:23,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:03:23" (1/1) ... [2020-10-11 18:03:23,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 18:03:23,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 18:03:24,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:03:24,364 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 18:03:24,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:03:24,499 INFO L208 MainTranslator]: Completed translation [2020-10-11 18:03:24,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:24 WrapperNode [2020-10-11 18:03:24,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 18:03:24,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 18:03:24,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 18:03:24,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 18:03:24,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:24" (1/1) ... [2020-10-11 18:03:24,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:24" (1/1) ... [2020-10-11 18:03:24,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 18:03:24,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 18:03:24,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 18:03:24,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 18:03:24,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:24" (1/1) ... [2020-10-11 18:03:24,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:24" (1/1) ... [2020-10-11 18:03:24,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:24" (1/1) ... [2020-10-11 18:03:24,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:24" (1/1) ... [2020-10-11 18:03:24,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:24" (1/1) ... [2020-10-11 18:03:24,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:24" (1/1) ... [2020-10-11 18:03:24,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:24" (1/1) ... [2020-10-11 18:03:24,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 18:03:24,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 18:03:24,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 18:03:24,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 18:03:24,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 18:03:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 18:03:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 18:03:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 18:03:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 18:03:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 18:03:24,685 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 18:03:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 18:03:24,686 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 18:03:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-11 18:03:24,686 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-11 18:03:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 18:03:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 18:03:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 18:03:24,689 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 18:03:27,145 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 18:03:27,146 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-11 18:03:27,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:03:27 BoogieIcfgContainer [2020-10-11 18:03:27,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 18:03:27,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 18:03:27,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 18:03:27,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 18:03:27,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:03:23" (1/3) ... [2020-10-11 18:03:27,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52332763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:03:27, skipping insertion in model container [2020-10-11 18:03:27,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:03:24" (2/3) ... [2020-10-11 18:03:27,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52332763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:03:27, skipping insertion in model container [2020-10-11 18:03:27,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:03:27" (3/3) ... [2020-10-11 18:03:27,157 INFO L111 eAbstractionObserver]: Analyzing ICFG mix001_rmo.opt.i [2020-10-11 18:03:27,169 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 18:03:27,178 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-11 18:03:27,179 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 18:03:27,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,213 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,213 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,214 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,214 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,215 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,215 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,215 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,216 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,217 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,218 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,219 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,220 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,221 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,222 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,224 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,225 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,225 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,226 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,226 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,226 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,226 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,227 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,228 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,235 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,236 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,237 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,240 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,241 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,241 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,241 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,247 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,248 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,249 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,249 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,249 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,249 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,249 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,250 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,251 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,252 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,252 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,254 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,255 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,255 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,256 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,256 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,257 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,257 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,257 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,257 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,257 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,257 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,258 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,258 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,258 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,258 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,258 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,259 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,260 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:03:27,278 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-11 18:03:27,299 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 18:03:27,300 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 18:03:27,300 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 18:03:27,300 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 18:03:27,300 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 18:03:27,300 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 18:03:27,300 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 18:03:27,301 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 18:03:27,315 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 106 places, 98 transitions, 211 flow [2020-10-11 18:03:27,362 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2020-10-11 18:03:27,363 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:03:27,368 INFO L80 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 67 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2020-10-11 18:03:27,368 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 98 transitions, 211 flow [2020-10-11 18:03:27,375 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 95 transitions, 199 flow [2020-10-11 18:03:27,392 INFO L129 PetriNetUnfolder]: 0/62 cut-off events. [2020-10-11 18:03:27,392 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:03:27,393 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:03:27,394 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:03:27,394 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:03:27,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:03:27,401 INFO L82 PathProgramCache]: Analyzing trace with hash -144187742, now seen corresponding path program 1 times [2020-10-11 18:03:27,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:03:27,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064407275] [2020-10-11 18:03:27,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:03:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:03:27,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:03:27,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064407275] [2020-10-11 18:03:27,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:03:27,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 18:03:27,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211774426] [2020-10-11 18:03:27,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 18:03:27,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:03:27,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 18:03:27,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 18:03:27,915 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 98 [2020-10-11 18:03:27,917 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 95 transitions, 199 flow. Second operand 3 states. [2020-10-11 18:03:27,917 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:03:27,918 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 98 [2020-10-11 18:03:27,919 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:03:27,951 INFO L129 PetriNetUnfolder]: 0/92 cut-off events. [2020-10-11 18:03:27,951 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:03:27,952 INFO L80 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 92 events. 0/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 4/94 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-11 18:03:27,953 INFO L132 encePairwiseOnDemand]: 93/98 looper letters, 0 selfloop transitions, 2 changer transitions 11/92 dead transitions. [2020-10-11 18:03:27,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 92 transitions, 197 flow [2020-10-11 18:03:27,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 18:03:27,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 18:03:27,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 286 transitions. [2020-10-11 18:03:27,970 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9727891156462585 [2020-10-11 18:03:27,971 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 286 transitions. [2020-10-11 18:03:27,972 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 286 transitions. [2020-10-11 18:03:27,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:03:27,977 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 286 transitions. [2020-10-11 18:03:27,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 18:03:27,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 18:03:27,988 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 18:03:27,990 INFO L185 Difference]: Start difference. First operand has 103 places, 95 transitions, 199 flow. Second operand 3 states and 286 transitions. [2020-10-11 18:03:27,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 92 transitions, 197 flow [2020-10-11 18:03:27,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 92 transitions, 194 flow, removed 0 selfloop flow, removed 3 redundant places. [2020-10-11 18:03:28,001 INFO L241 Difference]: Finished difference. Result has 101 places, 81 transitions, 172 flow [2020-10-11 18:03:28,004 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=101, PETRI_TRANSITIONS=81} [2020-10-11 18:03:28,005 INFO L341 CegarLoopForPetriNet]: 103 programPoint places, -2 predicate places. [2020-10-11 18:03:28,005 INFO L481 AbstractCegarLoop]: Abstraction has has 101 places, 81 transitions, 172 flow [2020-10-11 18:03:28,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 18:03:28,006 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:03:28,006 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:03:28,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 18:03:28,007 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:03:28,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:03:28,007 INFO L82 PathProgramCache]: Analyzing trace with hash -843738861, now seen corresponding path program 1 times [2020-10-11 18:03:28,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:03:28,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131974583] [2020-10-11 18:03:28,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:03:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:03:28,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:03:28,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131974583] [2020-10-11 18:03:28,239 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:03:28,239 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:03:28,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44634107] [2020-10-11 18:03:28,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:03:28,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:03:28,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:03:28,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:03:28,395 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 98 [2020-10-11 18:03:28,395 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 81 transitions, 172 flow. Second operand 6 states. [2020-10-11 18:03:28,395 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:03:28,395 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 98 [2020-10-11 18:03:28,395 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:03:28,546 INFO L129 PetriNetUnfolder]: 3/96 cut-off events. [2020-10-11 18:03:28,546 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:03:28,547 INFO L80 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 96 events. 3/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 109 event pairs, 0 based on Foata normal form. 2/98 useless extension candidates. Maximal degree in co-relation 84. Up to 7 conditions per place. [2020-10-11 18:03:28,547 INFO L132 encePairwiseOnDemand]: 92/98 looper letters, 6 selfloop transitions, 2 changer transitions 10/91 dead transitions. [2020-10-11 18:03:28,547 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 91 transitions, 228 flow [2020-10-11 18:03:28,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:03:28,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:03:28,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 812 transitions. [2020-10-11 18:03:28,553 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9206349206349206 [2020-10-11 18:03:28,554 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 812 transitions. [2020-10-11 18:03:28,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 812 transitions. [2020-10-11 18:03:28,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:03:28,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 812 transitions. [2020-10-11 18:03:28,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:03:28,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:03:28,561 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:03:28,561 INFO L185 Difference]: Start difference. First operand has 101 places, 81 transitions, 172 flow. Second operand 9 states and 812 transitions. [2020-10-11 18:03:28,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 91 transitions, 228 flow [2020-10-11 18:03:28,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 91 transitions, 224 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 18:03:28,565 INFO L241 Difference]: Finished difference. Result has 103 places, 81 transitions, 188 flow [2020-10-11 18:03:28,566 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=188, PETRI_PLACES=103, PETRI_TRANSITIONS=81} [2020-10-11 18:03:28,566 INFO L341 CegarLoopForPetriNet]: 103 programPoint places, 0 predicate places. [2020-10-11 18:03:28,567 INFO L481 AbstractCegarLoop]: Abstraction has has 103 places, 81 transitions, 188 flow [2020-10-11 18:03:28,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:03:28,567 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:03:28,567 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:03:28,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 18:03:28,568 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:03:28,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:03:28,568 INFO L82 PathProgramCache]: Analyzing trace with hash -599313020, now seen corresponding path program 1 times [2020-10-11 18:03:28,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:03:28,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277240737] [2020-10-11 18:03:28,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:03:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:03:28,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:03:28,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277240737] [2020-10-11 18:03:28,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:03:28,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:03:28,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004833958] [2020-10-11 18:03:28,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:03:28,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:03:28,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:03:28,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:03:28,917 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 98 [2020-10-11 18:03:28,917 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 81 transitions, 188 flow. Second operand 6 states. [2020-10-11 18:03:28,917 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:03:28,918 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 98 [2020-10-11 18:03:28,918 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:03:29,053 INFO L129 PetriNetUnfolder]: 3/96 cut-off events. [2020-10-11 18:03:29,053 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2020-10-11 18:03:29,054 INFO L80 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 96 events. 3/96 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 108 event pairs, 0 based on Foata normal form. 2/98 useless extension candidates. Maximal degree in co-relation 135. Up to 7 conditions per place. [2020-10-11 18:03:29,055 INFO L132 encePairwiseOnDemand]: 92/98 looper letters, 6 selfloop transitions, 2 changer transitions 10/91 dead transitions. [2020-10-11 18:03:29,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 91 transitions, 262 flow [2020-10-11 18:03:29,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:03:29,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:03:29,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 812 transitions. [2020-10-11 18:03:29,061 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9206349206349206 [2020-10-11 18:03:29,061 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 812 transitions. [2020-10-11 18:03:29,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 812 transitions. [2020-10-11 18:03:29,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:03:29,063 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 812 transitions. [2020-10-11 18:03:29,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:03:29,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:03:29,067 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:03:29,067 INFO L185 Difference]: Start difference. First operand has 103 places, 81 transitions, 188 flow. Second operand 9 states and 812 transitions. [2020-10-11 18:03:29,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 91 transitions, 262 flow [2020-10-11 18:03:29,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 91 transitions, 230 flow, removed 14 selfloop flow, removed 8 redundant places. [2020-10-11 18:03:29,074 INFO L241 Difference]: Finished difference. Result has 104 places, 81 transitions, 192 flow [2020-10-11 18:03:29,074 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=192, PETRI_PLACES=104, PETRI_TRANSITIONS=81} [2020-10-11 18:03:29,074 INFO L341 CegarLoopForPetriNet]: 103 programPoint places, 1 predicate places. [2020-10-11 18:03:29,075 INFO L481 AbstractCegarLoop]: Abstraction has has 104 places, 81 transitions, 192 flow [2020-10-11 18:03:29,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:03:29,075 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:03:29,075 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:03:29,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 18:03:29,079 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:03:29,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:03:29,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1679425062, now seen corresponding path program 1 times [2020-10-11 18:03:29,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:03:29,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130812856] [2020-10-11 18:03:29,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:03:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:03:29,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:03:29,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130812856] [2020-10-11 18:03:29,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:03:29,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:03:29,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43501084] [2020-10-11 18:03:29,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:03:29,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:03:29,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:03:29,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:03:29,456 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 98 [2020-10-11 18:03:29,457 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 81 transitions, 192 flow. Second operand 6 states. [2020-10-11 18:03:29,457 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:03:29,457 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 98 [2020-10-11 18:03:29,457 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:03:29,596 INFO L129 PetriNetUnfolder]: 3/97 cut-off events. [2020-10-11 18:03:29,597 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2020-10-11 18:03:29,597 INFO L80 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 97 events. 3/97 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 112 event pairs, 0 based on Foata normal form. 2/99 useless extension candidates. Maximal degree in co-relation 139. Up to 7 conditions per place. [2020-10-11 18:03:29,598 INFO L132 encePairwiseOnDemand]: 92/98 looper letters, 6 selfloop transitions, 2 changer transitions 10/91 dead transitions. [2020-10-11 18:03:29,598 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 91 transitions, 268 flow [2020-10-11 18:03:29,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:03:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:03:29,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 812 transitions. [2020-10-11 18:03:29,605 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9206349206349206 [2020-10-11 18:03:29,606 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 812 transitions. [2020-10-11 18:03:29,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 812 transitions. [2020-10-11 18:03:29,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:03:29,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 812 transitions. [2020-10-11 18:03:29,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:03:29,614 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:03:29,614 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:03:29,614 INFO L185 Difference]: Start difference. First operand has 104 places, 81 transitions, 192 flow. Second operand 9 states and 812 transitions. [2020-10-11 18:03:29,614 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 91 transitions, 268 flow [2020-10-11 18:03:29,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 91 transitions, 236 flow, removed 14 selfloop flow, removed 8 redundant places. [2020-10-11 18:03:29,619 INFO L241 Difference]: Finished difference. Result has 105 places, 81 transitions, 196 flow [2020-10-11 18:03:29,620 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=196, PETRI_PLACES=105, PETRI_TRANSITIONS=81} [2020-10-11 18:03:29,620 INFO L341 CegarLoopForPetriNet]: 103 programPoint places, 2 predicate places. [2020-10-11 18:03:29,620 INFO L481 AbstractCegarLoop]: Abstraction has has 105 places, 81 transitions, 196 flow [2020-10-11 18:03:29,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:03:29,621 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:03:29,621 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:03:29,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 18:03:29,624 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:03:29,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:03:29,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2106542549, now seen corresponding path program 1 times [2020-10-11 18:03:29,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:03:29,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140277488] [2020-10-11 18:03:29,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:03:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:03:29,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:03:29,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140277488] [2020-10-11 18:03:29,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:03:29,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:03:29,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466512440] [2020-10-11 18:03:29,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:03:29,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:03:29,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:03:29,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:03:30,060 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 98 [2020-10-11 18:03:30,061 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 81 transitions, 196 flow. Second operand 6 states. [2020-10-11 18:03:30,062 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:03:30,062 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 98 [2020-10-11 18:03:30,062 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:03:30,281 INFO L129 PetriNetUnfolder]: 91/308 cut-off events. [2020-10-11 18:03:30,281 INFO L130 PetriNetUnfolder]: For 43/43 co-relation queries the response was YES. [2020-10-11 18:03:30,286 INFO L80 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 308 events. 91/308 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1411 event pairs, 2 based on Foata normal form. 8/312 useless extension candidates. Maximal degree in co-relation 521. Up to 81 conditions per place. [2020-10-11 18:03:30,289 INFO L132 encePairwiseOnDemand]: 89/98 looper letters, 10 selfloop transitions, 6 changer transitions 19/106 dead transitions. [2020-10-11 18:03:30,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 106 transitions, 316 flow [2020-10-11 18:03:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:03:30,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:03:30,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 802 transitions. [2020-10-11 18:03:30,293 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.909297052154195 [2020-10-11 18:03:30,293 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 802 transitions. [2020-10-11 18:03:30,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 802 transitions. [2020-10-11 18:03:30,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:03:30,294 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 802 transitions. [2020-10-11 18:03:30,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:03:30,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:03:30,299 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:03:30,299 INFO L185 Difference]: Start difference. First operand has 105 places, 81 transitions, 196 flow. Second operand 9 states and 802 transitions. [2020-10-11 18:03:30,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 106 transitions, 316 flow [2020-10-11 18:03:30,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 106 transitions, 300 flow, removed 6 selfloop flow, removed 8 redundant places. [2020-10-11 18:03:30,306 INFO L241 Difference]: Finished difference. Result has 105 places, 84 transitions, 236 flow [2020-10-11 18:03:30,306 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=236, PETRI_PLACES=105, PETRI_TRANSITIONS=84} [2020-10-11 18:03:30,306 INFO L341 CegarLoopForPetriNet]: 103 programPoint places, 2 predicate places. [2020-10-11 18:03:30,306 INFO L481 AbstractCegarLoop]: Abstraction has has 105 places, 84 transitions, 236 flow [2020-10-11 18:03:30,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:03:30,307 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:03:30,307 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:03:30,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 18:03:30,307 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:03:30,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:03:30,308 INFO L82 PathProgramCache]: Analyzing trace with hash 205317832, now seen corresponding path program 1 times [2020-10-11 18:03:30,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:03:30,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070920614] [2020-10-11 18:03:30,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:03:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:03:30,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:03:30,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070920614] [2020-10-11 18:03:30,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:03:30,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:03:30,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246234206] [2020-10-11 18:03:30,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:03:30,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:03:30,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:03:30,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:03:30,712 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 98 [2020-10-11 18:03:30,713 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 84 transitions, 236 flow. Second operand 7 states. [2020-10-11 18:03:30,713 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:03:30,713 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 98 [2020-10-11 18:03:30,713 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:03:30,944 INFO L129 PetriNetUnfolder]: 52/217 cut-off events. [2020-10-11 18:03:30,945 INFO L130 PetriNetUnfolder]: For 297/309 co-relation queries the response was YES. [2020-10-11 18:03:30,946 INFO L80 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 217 events. 52/217 cut-off events. For 297/309 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 760 event pairs, 0 based on Foata normal form. 12/227 useless extension candidates. Maximal degree in co-relation 557. Up to 75 conditions per place. [2020-10-11 18:03:30,948 INFO L132 encePairwiseOnDemand]: 89/98 looper letters, 10 selfloop transitions, 9 changer transitions 19/109 dead transitions. [2020-10-11 18:03:30,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 109 transitions, 489 flow [2020-10-11 18:03:30,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 18:03:30,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-11 18:03:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 890 transitions. [2020-10-11 18:03:30,953 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9081632653061225 [2020-10-11 18:03:30,953 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 890 transitions. [2020-10-11 18:03:30,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 890 transitions. [2020-10-11 18:03:30,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:03:30,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 890 transitions. [2020-10-11 18:03:30,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-11 18:03:30,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 11 states. [2020-10-11 18:03:30,959 INFO L81 ComplementDD]: Finished complementDD. Result 11 states. [2020-10-11 18:03:30,960 INFO L185 Difference]: Start difference. First operand has 105 places, 84 transitions, 236 flow. Second operand 10 states and 890 transitions. [2020-10-11 18:03:30,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 109 transitions, 489 flow [2020-10-11 18:03:30,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 109 transitions, 465 flow, removed 7 selfloop flow, removed 5 redundant places. [2020-10-11 18:03:30,971 INFO L241 Difference]: Finished difference. Result has 111 places, 87 transitions, 304 flow [2020-10-11 18:03:30,972 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=304, PETRI_PLACES=111, PETRI_TRANSITIONS=87} [2020-10-11 18:03:30,972 INFO L341 CegarLoopForPetriNet]: 103 programPoint places, 8 predicate places. [2020-10-11 18:03:30,972 INFO L481 AbstractCegarLoop]: Abstraction has has 111 places, 87 transitions, 304 flow [2020-10-11 18:03:30,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:03:30,973 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:03:30,974 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:03:30,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 18:03:30,974 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:03:30,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:03:30,975 INFO L82 PathProgramCache]: Analyzing trace with hash 166596673, now seen corresponding path program 1 times [2020-10-11 18:03:30,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:03:30,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717552104] [2020-10-11 18:03:30,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:03:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:03:31,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:03:31,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717552104] [2020-10-11 18:03:31,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:03:31,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-11 18:03:31,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604298057] [2020-10-11 18:03:31,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-11 18:03:31,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:03:31,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-11 18:03:31,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-11 18:03:31,314 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 98 [2020-10-11 18:03:31,315 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 87 transitions, 304 flow. Second operand 8 states. [2020-10-11 18:03:31,315 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:03:31,316 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 98 [2020-10-11 18:03:31,316 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:03:31,514 INFO L129 PetriNetUnfolder]: 16/127 cut-off events. [2020-10-11 18:03:31,514 INFO L130 PetriNetUnfolder]: For 366/384 co-relation queries the response was YES. [2020-10-11 18:03:31,515 INFO L80 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 127 events. 16/127 cut-off events. For 366/384 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 222 event pairs, 0 based on Foata normal form. 12/138 useless extension candidates. Maximal degree in co-relation 343. Up to 30 conditions per place. [2020-10-11 18:03:31,517 INFO L132 encePairwiseOnDemand]: 89/98 looper letters, 4 selfloop transitions, 12 changer transitions 13/100 dead transitions. [2020-10-11 18:03:31,517 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 100 transitions, 488 flow [2020-10-11 18:03:31,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-11 18:03:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-11 18:03:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 966 transitions. [2020-10-11 18:03:31,521 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8961038961038961 [2020-10-11 18:03:31,522 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 966 transitions. [2020-10-11 18:03:31,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 966 transitions. [2020-10-11 18:03:31,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:03:31,523 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 966 transitions. [2020-10-11 18:03:31,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-11 18:03:31,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 12 states. [2020-10-11 18:03:31,528 INFO L81 ComplementDD]: Finished complementDD. Result 12 states. [2020-10-11 18:03:31,528 INFO L185 Difference]: Start difference. First operand has 111 places, 87 transitions, 304 flow. Second operand 11 states and 966 transitions. [2020-10-11 18:03:31,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 100 transitions, 488 flow [2020-10-11 18:03:31,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 100 transitions, 381 flow, removed 41 selfloop flow, removed 12 redundant places. [2020-10-11 18:03:31,533 INFO L241 Difference]: Finished difference. Result has 111 places, 87 transitions, 282 flow [2020-10-11 18:03:31,533 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=282, PETRI_PLACES=111, PETRI_TRANSITIONS=87} [2020-10-11 18:03:31,533 INFO L341 CegarLoopForPetriNet]: 103 programPoint places, 8 predicate places. [2020-10-11 18:03:31,534 INFO L481 AbstractCegarLoop]: Abstraction has has 111 places, 87 transitions, 282 flow [2020-10-11 18:03:31,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-11 18:03:31,534 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:03:31,534 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:03:31,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 18:03:31,535 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:03:31,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:03:31,535 INFO L82 PathProgramCache]: Analyzing trace with hash 149955938, now seen corresponding path program 1 times [2020-10-11 18:03:31,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:03:31,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927993095] [2020-10-11 18:03:31,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:03:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:03:31,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:03:31,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927993095] [2020-10-11 18:03:31,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:03:31,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:03:31,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935198365] [2020-10-11 18:03:31,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:03:31,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:03:31,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:03:31,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:03:31,951 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 98 [2020-10-11 18:03:31,951 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 87 transitions, 282 flow. Second operand 7 states. [2020-10-11 18:03:31,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:03:31,952 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 98 [2020-10-11 18:03:31,952 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:03:32,046 INFO L129 PetriNetUnfolder]: 10/136 cut-off events. [2020-10-11 18:03:32,047 INFO L130 PetriNetUnfolder]: For 133/141 co-relation queries the response was YES. [2020-10-11 18:03:32,047 INFO L80 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 136 events. 10/136 cut-off events. For 133/141 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 253 event pairs, 0 based on Foata normal form. 1/135 useless extension candidates. Maximal degree in co-relation 243. Up to 21 conditions per place. [2020-10-11 18:03:32,048 INFO L132 encePairwiseOnDemand]: 92/98 looper letters, 9 selfloop transitions, 1 changer transitions 5/92 dead transitions. [2020-10-11 18:03:32,048 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 92 transitions, 322 flow [2020-10-11 18:03:32,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 18:03:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-11 18:03:32,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 618 transitions. [2020-10-11 18:03:32,051 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9008746355685131 [2020-10-11 18:03:32,051 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 618 transitions. [2020-10-11 18:03:32,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 618 transitions. [2020-10-11 18:03:32,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:03:32,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 618 transitions. [2020-10-11 18:03:32,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-11 18:03:32,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-11 18:03:32,055 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-11 18:03:32,055 INFO L185 Difference]: Start difference. First operand has 111 places, 87 transitions, 282 flow. Second operand 7 states and 618 transitions. [2020-10-11 18:03:32,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 92 transitions, 322 flow [2020-10-11 18:03:32,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 92 transitions, 240 flow, removed 22 selfloop flow, removed 15 redundant places. [2020-10-11 18:03:32,058 INFO L241 Difference]: Finished difference. Result has 103 places, 87 transitions, 213 flow [2020-10-11 18:03:32,059 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=213, PETRI_PLACES=103, PETRI_TRANSITIONS=87} [2020-10-11 18:03:32,059 INFO L341 CegarLoopForPetriNet]: 103 programPoint places, 0 predicate places. [2020-10-11 18:03:32,059 INFO L481 AbstractCegarLoop]: Abstraction has has 103 places, 87 transitions, 213 flow [2020-10-11 18:03:32,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:03:32,060 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:03:32,060 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:03:32,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 18:03:32,060 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:03:32,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:03:32,060 INFO L82 PathProgramCache]: Analyzing trace with hash 1798531876, now seen corresponding path program 2 times [2020-10-11 18:03:32,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:03:32,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103812306] [2020-10-11 18:03:32,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:03:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:03:32,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:03:32,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103812306] [2020-10-11 18:03:32,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:03:32,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:03:32,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252238136] [2020-10-11 18:03:32,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:03:32,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:03:32,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:03:32,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:03:32,431 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 98 [2020-10-11 18:03:32,432 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 87 transitions, 213 flow. Second operand 7 states. [2020-10-11 18:03:32,432 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:03:32,432 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 98 [2020-10-11 18:03:32,432 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:03:32,531 INFO L129 PetriNetUnfolder]: 12/159 cut-off events. [2020-10-11 18:03:32,531 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-11 18:03:32,532 INFO L80 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 159 events. 12/159 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 387 event pairs, 0 based on Foata normal form. 1/157 useless extension candidates. Maximal degree in co-relation 221. Up to 16 conditions per place. [2020-10-11 18:03:32,533 INFO L132 encePairwiseOnDemand]: 92/98 looper letters, 9 selfloop transitions, 1 changer transitions 5/92 dead transitions. [2020-10-11 18:03:32,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 92 transitions, 259 flow [2020-10-11 18:03:32,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-11 18:03:32,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-11 18:03:32,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 618 transitions. [2020-10-11 18:03:32,537 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9008746355685131 [2020-10-11 18:03:32,538 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 618 transitions. [2020-10-11 18:03:32,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 618 transitions. [2020-10-11 18:03:32,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:03:32,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 618 transitions. [2020-10-11 18:03:32,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-10-11 18:03:32,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 8 states. [2020-10-11 18:03:32,542 INFO L81 ComplementDD]: Finished complementDD. Result 8 states. [2020-10-11 18:03:32,542 INFO L185 Difference]: Start difference. First operand has 103 places, 87 transitions, 213 flow. Second operand 7 states and 618 transitions. [2020-10-11 18:03:32,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 92 transitions, 259 flow [2020-10-11 18:03:32,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 92 transitions, 244 flow, removed 7 selfloop flow, removed 5 redundant places. [2020-10-11 18:03:32,547 INFO L241 Difference]: Finished difference. Result has 105 places, 87 transitions, 217 flow [2020-10-11 18:03:32,548 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=98, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=217, PETRI_PLACES=105, PETRI_TRANSITIONS=87} [2020-10-11 18:03:32,548 INFO L341 CegarLoopForPetriNet]: 103 programPoint places, 2 predicate places. [2020-10-11 18:03:32,548 INFO L481 AbstractCegarLoop]: Abstraction has has 105 places, 87 transitions, 217 flow [2020-10-11 18:03:32,548 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:03:32,553 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:03:32,554 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:03:32,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 18:03:32,554 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:03:32,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:03:32,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1667707556, now seen corresponding path program 3 times [2020-10-11 18:03:32,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:03:32,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215756150] [2020-10-11 18:03:32,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:03:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 18:03:32,661 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 18:03:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 18:03:32,728 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 18:03:32,793 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 18:03:32,794 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 18:03:32,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-11 18:03:32,870 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,870 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,871 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,871 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,872 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,873 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,873 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,873 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,873 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,873 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,873 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,874 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,874 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,874 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,874 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,874 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,874 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,875 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,875 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,876 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,876 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,877 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,877 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,877 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,877 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,877 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,879 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,879 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,879 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,879 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,879 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,880 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,884 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,885 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,885 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,885 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,885 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,885 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,885 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,886 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,886 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,886 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,886 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,886 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,886 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,887 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,887 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,887 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,887 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,887 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,888 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,888 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,888 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,888 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,889 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,889 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,889 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,889 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,889 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,889 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,890 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,890 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,891 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,891 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,891 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,891 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,892 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,892 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,893 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,893 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:32,893 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-11 18:03:32,893 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-11 18:03:33,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 06:03:33 BasicIcfg [2020-10-11 18:03:33,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 18:03:33,033 INFO L168 Benchmark]: Toolchain (without parser) took 9336.55 ms. Allocated memory was 243.3 MB in the beginning and 531.6 MB in the end (delta: 288.4 MB). Free memory was 197.8 MB in the beginning and 358.4 MB in the end (delta: -160.6 MB). Peak memory consumption was 127.7 MB. Max. memory is 14.2 GB. [2020-10-11 18:03:33,040 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 243.3 MB. Free memory was 221.3 MB in the beginning and 220.5 MB in the end (delta: 838.9 kB). Peak memory consumption was 838.9 kB. Max. memory is 14.2 GB. [2020-10-11 18:03:33,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.33 ms. Allocated memory was 243.3 MB in the beginning and 291.0 MB in the end (delta: 47.7 MB). Free memory was 197.8 MB in the beginning and 238.4 MB in the end (delta: -40.6 MB). Peak memory consumption was 27.9 MB. Max. memory is 14.2 GB. [2020-10-11 18:03:33,043 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.67 ms. Allocated memory is still 291.0 MB. Free memory was 238.4 MB in the beginning and 234.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.2 GB. [2020-10-11 18:03:33,044 INFO L168 Benchmark]: Boogie Preprocessor took 42.18 ms. Allocated memory is still 291.0 MB. Free memory was 234.9 MB in the beginning and 232.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 18:03:33,044 INFO L168 Benchmark]: RCFGBuilder took 2533.21 ms. Allocated memory was 291.0 MB in the beginning and 363.3 MB in the end (delta: 72.4 MB). Free memory was 232.4 MB in the beginning and 321.3 MB in the end (delta: -88.8 MB). Peak memory consumption was 155.9 MB. Max. memory is 14.2 GB. [2020-10-11 18:03:33,047 INFO L168 Benchmark]: TraceAbstraction took 5881.64 ms. Allocated memory was 363.3 MB in the beginning and 531.6 MB in the end (delta: 168.3 MB). Free memory was 321.3 MB in the beginning and 358.4 MB in the end (delta: -37.1 MB). Peak memory consumption was 131.2 MB. Max. memory is 14.2 GB. [2020-10-11 18:03:33,060 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 243.3 MB. Free memory was 221.3 MB in the beginning and 220.5 MB in the end (delta: 838.9 kB). Peak memory consumption was 838.9 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 802.33 ms. Allocated memory was 243.3 MB in the beginning and 291.0 MB in the end (delta: 47.7 MB). Free memory was 197.8 MB in the beginning and 238.4 MB in the end (delta: -40.6 MB). Peak memory consumption was 27.9 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 71.67 ms. Allocated memory is still 291.0 MB. Free memory was 238.4 MB in the beginning and 234.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 42.18 ms. Allocated memory is still 291.0 MB. Free memory was 234.9 MB in the beginning and 232.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 2533.21 ms. Allocated memory was 291.0 MB in the beginning and 363.3 MB in the end (delta: 72.4 MB). Free memory was 232.4 MB in the beginning and 321.3 MB in the end (delta: -88.8 MB). Peak memory consumption was 155.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 5881.64 ms. Allocated memory was 363.3 MB in the beginning and 531.6 MB in the end (delta: 168.3 MB). Free memory was 321.3 MB in the beginning and 358.4 MB in the end (delta: -37.1 MB). Peak memory consumption was 131.2 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L700] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L702] 0 int __unbuffered_p0_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0] [L704] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0] [L706] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L708] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0] [L710] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L711] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0] [L712] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L714] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L716] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L717] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L718] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L719] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L720] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L721] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L722] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L723] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L724] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L725] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L726] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L727] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L728] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L729] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$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$w_buff0=0] [L730] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$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] [L731] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_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] [L732] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_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$w_buff1_used=0] [L734] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_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] [L735] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$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] [L736] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L842] 0 pthread_t t29; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L843] FCALL, FORK 0 pthread_create(&t29, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L844] 0 pthread_t t30; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L845] FCALL, FORK 0 pthread_create(&t30, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L846] 0 pthread_t t31; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L847] FCALL, FORK 0 pthread_create(&t31, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L789] 3 y$w_buff1 = y$w_buff0 [L790] 3 y$w_buff0 = 1 [L791] 3 y$w_buff1_used = y$w_buff0_used [L792] 3 y$w_buff0_used = (_Bool)1 [L7] COND TRUE 3 !expression [L7] 3 __VERIFIER_error() [L794] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L795] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L796] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L797] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L798] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L801] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L802] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L803] 3 y$flush_delayed = weak$$choice2 [L804] 3 y$mem_tmp = y [L805] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L805] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L806] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L806] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L806] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L806] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L807] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L807] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L808] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L808] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L809] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L809] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0 [L809] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L809] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L810] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L810] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L811] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L811] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L811] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L812] 3 __unbuffered_p2_EAX = y [L813] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L813] 3 y = y$flush_delayed ? y$mem_tmp : y [L814] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L817] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L740] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L743] 1 __unbuffered_p0_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L746] 1 __unbuffered_p0_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L758] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L761] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=8, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L764] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L765] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L766] 2 y$flush_delayed = weak$$choice2 [L767] 2 y$mem_tmp = y [L768] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L768] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 [L768] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L768] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L769] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L769] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L770] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L770] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L771] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L771] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L771] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L772] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L772] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L773] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L774] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L774] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L774] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L774] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] 2 __unbuffered_p1_EBX = y [L776] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L776] 2 y = y$flush_delayed ? y$mem_tmp : y [L777] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L751] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L782] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$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$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L820] 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) [L820] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L820] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L820] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L821] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L821] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L822] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L822] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L823] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L823] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L824] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L824] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L827] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=1, 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$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L849] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=1, 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$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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=0, x=1, 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$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L853] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L853] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L854] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L854] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L855] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L855] 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 [L856] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L856] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L857] 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 [L860] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=7, weak$$choice2=0, x=1, 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$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L7] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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=0, x=1, 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$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L7] 0 __VERIFIER_error() VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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=0, x=1, 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$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 97 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 5.4s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 175 SDtfs, 209 SDslu, 505 SDs, 0 SdLazy, 566 SolverSat, 92 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=304occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 669 NumberOfCodeBlocks, 669 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 585 ConstructedInterpolants, 0 QuantifiedInterpolants, 102613 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...