/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/rfi010_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 01:35:18,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 01:35:18,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 01:35:18,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 01:35:18,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 01:35:18,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 01:35:18,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 01:35:18,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 01:35:18,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 01:35:18,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 01:35:18,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 01:35:18,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 01:35:18,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 01:35:18,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 01:35:18,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 01:35:18,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 01:35:18,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 01:35:18,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 01:35:18,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 01:35:18,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 01:35:18,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 01:35:18,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 01:35:18,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 01:35:18,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 01:35:18,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 01:35:18,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 01:35:18,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 01:35:18,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 01:35:18,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 01:35:18,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 01:35:18,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 01:35:18,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 01:35:18,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 01:35:18,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 01:35:18,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 01:35:18,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 01:35:18,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2020-10-16 01:35:18,697 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 01:35:18,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 01:35:18,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 01:35:18,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 01:35:18,700 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 01:35:18,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 01:35:18,700 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 01:35:18,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 01:35:18,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 01:35:18,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 01:35:18,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 01:35:18,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 01:35:18,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 01:35:18,703 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 01:35:18,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 01:35:18,703 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 01:35:18,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 01:35:18,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 01:35:18,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 01:35:18,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 01:35:18,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 01:35:18,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 01:35:18,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 01:35:18,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 01:35:18,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 01:35:18,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 01:35:18,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 01:35:18,705 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 01:35:18,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 01:35:19,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 01:35:19,026 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 01:35:19,030 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 01:35:19,031 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 01:35:19,032 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 01:35:19,032 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi010_rmo.oepc.i [2020-10-16 01:35:19,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86303fcb6/c53dbe311efc401d949ab1bdfdccbc27/FLAG9846df52b [2020-10-16 01:35:19,627 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 01:35:19,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi010_rmo.oepc.i [2020-10-16 01:35:19,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86303fcb6/c53dbe311efc401d949ab1bdfdccbc27/FLAG9846df52b [2020-10-16 01:35:19,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86303fcb6/c53dbe311efc401d949ab1bdfdccbc27 [2020-10-16 01:35:19,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 01:35:19,927 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 01:35:19,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 01:35:19,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 01:35:19,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 01:35:19,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:35:19" (1/1) ... [2020-10-16 01:35:19,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e9e907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:19, skipping insertion in model container [2020-10-16 01:35:19,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:35:19" (1/1) ... [2020-10-16 01:35:19,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 01:35:20,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 01:35:20,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:35:20,635 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 01:35:20,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 01:35:20,789 INFO L208 MainTranslator]: Completed translation [2020-10-16 01:35:20,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:20 WrapperNode [2020-10-16 01:35:20,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 01:35:20,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 01:35:20,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 01:35:20,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 01:35:20,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:20" (1/1) ... [2020-10-16 01:35:20,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:20" (1/1) ... [2020-10-16 01:35:20,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 01:35:20,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 01:35:20,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 01:35:20,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 01:35:20,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:20" (1/1) ... [2020-10-16 01:35:20,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:20" (1/1) ... [2020-10-16 01:35:20,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:20" (1/1) ... [2020-10-16 01:35:20,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:20" (1/1) ... [2020-10-16 01:35:20,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:20" (1/1) ... [2020-10-16 01:35:20,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:20" (1/1) ... [2020-10-16 01:35:20,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:20" (1/1) ... [2020-10-16 01:35:20,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 01:35:20,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 01:35:20,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 01:35:20,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 01:35:20,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 01:35:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 01:35:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 01:35:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 01:35:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 01:35:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 01:35:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 01:35:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 01:35:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 01:35:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 01:35:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 01:35:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 01:35:20,960 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 01:35:23,299 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 01:35:23,300 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-16 01:35:23,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:35:23 BoogieIcfgContainer [2020-10-16 01:35:23,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 01:35:23,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 01:35:23,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 01:35:23,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 01:35:23,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:35:19" (1/3) ... [2020-10-16 01:35:23,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9d718f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:35:23, skipping insertion in model container [2020-10-16 01:35:23,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:20" (2/3) ... [2020-10-16 01:35:23,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9d718f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:35:23, skipping insertion in model container [2020-10-16 01:35:23,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:35:23" (3/3) ... [2020-10-16 01:35:23,311 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi010_rmo.oepc.i [2020-10-16 01:35:23,324 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 01:35:23,332 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 01:35:23,333 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 01:35:23,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,368 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,369 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,369 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,369 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,372 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,373 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,374 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,375 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,376 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,377 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,378 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,380 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,380 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,380 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,380 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,381 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,382 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,383 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,384 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,385 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,386 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,387 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,388 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,396 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,397 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,397 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,397 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,397 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,398 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,398 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,398 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,398 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,399 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,399 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,400 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,400 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,400 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,400 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,400 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,401 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,401 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,401 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,401 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,401 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,408 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,408 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,408 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,409 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,410 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,411 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,411 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,412 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,413 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,413 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,414 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 01:35:23,435 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 01:35:23,459 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 01:35:23,460 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 01:35:23,460 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 01:35:23,460 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 01:35:23,460 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 01:35:23,460 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 01:35:23,460 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 01:35:23,461 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 01:35:23,475 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 82 places, 77 transitions, 164 flow [2020-10-16 01:35:23,533 INFO L129 PetriNetUnfolder]: 2/75 cut-off events. [2020-10-16 01:35:23,533 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:35:23,540 INFO L80 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 75 events. 2/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2020-10-16 01:35:23,540 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 77 transitions, 164 flow [2020-10-16 01:35:23,550 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 75 transitions, 156 flow [2020-10-16 01:35:23,554 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 01:35:23,557 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 75 transitions, 156 flow [2020-10-16 01:35:23,560 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 75 transitions, 156 flow [2020-10-16 01:35:23,561 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 80 places, 75 transitions, 156 flow [2020-10-16 01:35:23,594 INFO L129 PetriNetUnfolder]: 2/75 cut-off events. [2020-10-16 01:35:23,595 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:35:23,595 INFO L80 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 75 events. 2/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 46 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2020-10-16 01:35:23,599 INFO L117 LiptonReduction]: Number of co-enabled transitions 876 [2020-10-16 01:35:24,305 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-16 01:35:24,418 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-16 01:35:24,737 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-10-16 01:35:24,896 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:24,897 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:35:24,906 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:35:24,907 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:24,956 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:35:24,956 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:24,971 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:35:24,971 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:35:24,973 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:24,973 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:35:24,976 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:35:24,976 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:35:24,978 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:35:24,979 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:24,982 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:24,982 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:24,984 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:24,984 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,096 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:35:25,096 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,098 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,099 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,100 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,100 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,123 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,124 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,126 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,126 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,127 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,128 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,133 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,134 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:35:25,136 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,137 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:35:25,139 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,139 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:35:25,142 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:35:25,142 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:25,145 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 3, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,146 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:25,147 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,148 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:25,228 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:35:25,228 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,229 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,230 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,231 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,231 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,254 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,255 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,256 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,256 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,258 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,258 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,260 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,260 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,261 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,261 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,264 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,265 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:35:25,267 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,267 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:35:25,269 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,269 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:35:25,273 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:35:25,273 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:25,275 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 3, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,276 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:25,277 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,278 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:25,341 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:35:25,341 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:25,343 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,344 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:35:25,346 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,346 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:35:25,347 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,348 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:35:25,349 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:35:25,349 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,351 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,352 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,353 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,353 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,393 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,394 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:35:25,396 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:35:25,396 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,446 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:35:25,446 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:25,448 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,449 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:35:25,450 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,451 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:35:25,452 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,452 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:35:25,454 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:35:25,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,455 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,456 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,457 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,458 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,491 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,491 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-10-16 01:35:25,494 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[9, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:35:25,494 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,727 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 01:35:25,865 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-16 01:35:25,966 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:35:25,966 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,967 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 4, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,968 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:25,969 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 4, 4, 3, 3, 2, 1] term [2020-10-16 01:35:25,969 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,021 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:35:26,021 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,022 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,023 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,024 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,024 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,060 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,061 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,062 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,062 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,064 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,064 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,067 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,067 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:35:26,070 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,070 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:35:26,072 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,073 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:35:26,075 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:35:26,075 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:26,077 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 3, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,078 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:26,079 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 3, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,080 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:26,132 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:35:26,133 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,133 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,134 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,134 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,135 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,152 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 2, 5, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,152 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,153 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,153 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,155 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,155 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,168 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,169 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:35:26,170 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,170 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:35:26,171 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 3, 2, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,172 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:35:26,174 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[11, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:35:26,175 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:26,177 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 3, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,178 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:26,179 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 3, 6, 3, 7, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,179 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:26,437 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:35:26,437 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:26,439 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,439 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:35:26,440 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,441 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:35:26,441 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,442 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:35:26,444 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:35:26,444 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,445 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,446 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,446 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,447 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,483 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,483 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:35:26,485 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:35:26,485 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:26,611 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,613 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-10-16 01:35:26,615 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 2, 5, 3, 5, 3, 3, 2, 1] term [2020-10-16 01:35:26,615 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:26,651 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 3, 2, 1] term [2020-10-16 01:35:26,651 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-16 01:35:26,653 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,654 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:35:26,655 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,655 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:35:26,656 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 3, 2, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,656 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-16 01:35:26,658 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[8, 2, 4, 2, 5, 3, 3, 2, 1] term [2020-10-16 01:35:26,659 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,661 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 3, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,661 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:26,662 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 2, 5, 3, 6, 3, 4, 3, 4, 3, 3, 2, 1] term [2020-10-16 01:35:26,663 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-16 01:35:27,287 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-10-16 01:35:27,391 INFO L132 LiptonReduction]: Checked pairs total: 2071 [2020-10-16 01:35:27,391 INFO L134 LiptonReduction]: Total number of compositions: 67 [2020-10-16 01:35:27,394 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3842 [2020-10-16 01:35:27,400 INFO L129 PetriNetUnfolder]: 0/9 cut-off events. [2020-10-16 01:35:27,401 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:35:27,401 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:35:27,402 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 01:35:27,402 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:35:27,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:35:27,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1088681205, now seen corresponding path program 1 times [2020-10-16 01:35:27,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:35:27,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722016659] [2020-10-16 01:35:27,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:35:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:35:27,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:35:27,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722016659] [2020-10-16 01:35:27,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:35:27,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 01:35:27,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394114487] [2020-10-16 01:35:27,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 01:35:27,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:35:27,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 01:35:27,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 01:35:27,669 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 144 [2020-10-16 01:35:27,671 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 19 transitions, 44 flow. Second operand 3 states. [2020-10-16 01:35:27,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:35:27,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 144 [2020-10-16 01:35:27,673 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:35:27,741 INFO L129 PetriNetUnfolder]: 13/47 cut-off events. [2020-10-16 01:35:27,741 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:35:27,741 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 47 events. 13/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 136 event pairs, 1 based on Foata normal form. 8/53 useless extension candidates. Maximal degree in co-relation 75. Up to 25 conditions per place. [2020-10-16 01:35:27,743 INFO L132 encePairwiseOnDemand]: 140/144 looper letters, 6 selfloop transitions, 2 changer transitions 0/19 dead transitions. [2020-10-16 01:35:27,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 19 transitions, 60 flow [2020-10-16 01:35:27,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 01:35:27,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 01:35:27,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 365 transitions. [2020-10-16 01:35:27,762 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8449074074074074 [2020-10-16 01:35:27,763 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 365 transitions. [2020-10-16 01:35:27,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 365 transitions. [2020-10-16 01:35:27,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:35:27,769 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 365 transitions. [2020-10-16 01:35:27,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 01:35:27,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 01:35:27,780 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 01:35:27,783 INFO L185 Difference]: Start difference. First operand has 25 places, 19 transitions, 44 flow. Second operand 3 states and 365 transitions. [2020-10-16 01:35:27,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 19 transitions, 60 flow [2020-10-16 01:35:27,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 19 transitions, 58 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 01:35:27,789 INFO L241 Difference]: Finished difference. Result has 24 places, 17 transitions, 42 flow [2020-10-16 01:35:27,792 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=42, PETRI_PLACES=24, PETRI_TRANSITIONS=17} [2020-10-16 01:35:27,793 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, -1 predicate places. [2020-10-16 01:35:27,793 INFO L481 AbstractCegarLoop]: Abstraction has has 24 places, 17 transitions, 42 flow [2020-10-16 01:35:27,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 01:35:27,793 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:35:27,793 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:35:27,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 01:35:27,794 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:35:27,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:35:27,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1605396225, now seen corresponding path program 1 times [2020-10-16 01:35:27,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:35:27,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798094713] [2020-10-16 01:35:27,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:35:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:35:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:35:27,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798094713] [2020-10-16 01:35:27,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:35:27,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 01:35:27,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053637359] [2020-10-16 01:35:27,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 01:35:27,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:35:27,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 01:35:27,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 01:35:27,925 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 144 [2020-10-16 01:35:27,925 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 17 transitions, 42 flow. Second operand 4 states. [2020-10-16 01:35:27,926 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:35:27,926 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 144 [2020-10-16 01:35:27,926 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:35:27,998 INFO L129 PetriNetUnfolder]: 2/25 cut-off events. [2020-10-16 01:35:27,999 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 01:35:27,999 INFO L80 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 25 events. 2/25 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 35. Up to 4 conditions per place. [2020-10-16 01:35:28,000 INFO L132 encePairwiseOnDemand]: 139/144 looper letters, 2 selfloop transitions, 2 changer transitions 5/21 dead transitions. [2020-10-16 01:35:28,000 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 21 transitions, 68 flow [2020-10-16 01:35:28,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:35:28,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:35:28,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 611 transitions. [2020-10-16 01:35:28,011 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8486111111111111 [2020-10-16 01:35:28,011 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 611 transitions. [2020-10-16 01:35:28,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 611 transitions. [2020-10-16 01:35:28,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:35:28,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 611 transitions. [2020-10-16 01:35:28,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:35:28,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:35:28,022 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:35:28,022 INFO L185 Difference]: Start difference. First operand has 24 places, 17 transitions, 42 flow. Second operand 5 states and 611 transitions. [2020-10-16 01:35:28,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 21 transitions, 68 flow [2020-10-16 01:35:28,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 21 transitions, 64 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-16 01:35:28,026 INFO L241 Difference]: Finished difference. Result has 29 places, 16 transitions, 48 flow [2020-10-16 01:35:28,027 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=48, PETRI_PLACES=29, PETRI_TRANSITIONS=16} [2020-10-16 01:35:28,029 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, 4 predicate places. [2020-10-16 01:35:28,029 INFO L481 AbstractCegarLoop]: Abstraction has has 29 places, 16 transitions, 48 flow [2020-10-16 01:35:28,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 01:35:28,029 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:35:28,029 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:35:28,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 01:35:28,030 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:35:28,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:35:28,030 INFO L82 PathProgramCache]: Analyzing trace with hash 307380190, now seen corresponding path program 1 times [2020-10-16 01:35:28,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:35:28,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717653399] [2020-10-16 01:35:28,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:35:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:35:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:35:28,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717653399] [2020-10-16 01:35:28,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:35:28,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 01:35:28,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446924743] [2020-10-16 01:35:28,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 01:35:28,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:35:28,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 01:35:28,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 01:35:28,196 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 144 [2020-10-16 01:35:28,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 16 transitions, 48 flow. Second operand 4 states. [2020-10-16 01:35:28,197 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:35:28,197 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 144 [2020-10-16 01:35:28,197 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:35:28,253 INFO L129 PetriNetUnfolder]: 6/35 cut-off events. [2020-10-16 01:35:28,253 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2020-10-16 01:35:28,254 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 35 events. 6/35 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 74 event pairs, 2 based on Foata normal form. 4/38 useless extension candidates. Maximal degree in co-relation 65. Up to 15 conditions per place. [2020-10-16 01:35:28,254 INFO L132 encePairwiseOnDemand]: 139/144 looper letters, 4 selfloop transitions, 3 changer transitions 5/23 dead transitions. [2020-10-16 01:35:28,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 23 transitions, 86 flow [2020-10-16 01:35:28,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:35:28,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:35:28,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 599 transitions. [2020-10-16 01:35:28,257 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8319444444444445 [2020-10-16 01:35:28,258 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 599 transitions. [2020-10-16 01:35:28,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 599 transitions. [2020-10-16 01:35:28,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:35:28,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 599 transitions. [2020-10-16 01:35:28,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:35:28,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:35:28,262 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:35:28,262 INFO L185 Difference]: Start difference. First operand has 29 places, 16 transitions, 48 flow. Second operand 5 states and 599 transitions. [2020-10-16 01:35:28,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 23 transitions, 86 flow [2020-10-16 01:35:28,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 23 transitions, 78 flow, removed 2 selfloop flow, removed 4 redundant places. [2020-10-16 01:35:28,264 INFO L241 Difference]: Finished difference. Result has 29 places, 18 transitions, 67 flow [2020-10-16 01:35:28,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=67, PETRI_PLACES=29, PETRI_TRANSITIONS=18} [2020-10-16 01:35:28,264 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, 4 predicate places. [2020-10-16 01:35:28,264 INFO L481 AbstractCegarLoop]: Abstraction has has 29 places, 18 transitions, 67 flow [2020-10-16 01:35:28,265 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 01:35:28,265 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:35:28,265 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:35:28,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 01:35:28,265 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:35:28,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:35:28,266 INFO L82 PathProgramCache]: Analyzing trace with hash -409334164, now seen corresponding path program 1 times [2020-10-16 01:35:28,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:35:28,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157318384] [2020-10-16 01:35:28,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:35:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:35:28,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:35:28,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157318384] [2020-10-16 01:35:28,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:35:28,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 01:35:28,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132397314] [2020-10-16 01:35:28,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 01:35:28,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:35:28,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 01:35:28,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 01:35:28,444 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 144 [2020-10-16 01:35:28,445 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 18 transitions, 67 flow. Second operand 5 states. [2020-10-16 01:35:28,445 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:35:28,445 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 144 [2020-10-16 01:35:28,445 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:35:28,520 INFO L129 PetriNetUnfolder]: 2/22 cut-off events. [2020-10-16 01:35:28,521 INFO L130 PetriNetUnfolder]: For 15/21 co-relation queries the response was YES. [2020-10-16 01:35:28,521 INFO L80 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 22 events. 2/22 cut-off events. For 15/21 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 17 event pairs, 0 based on Foata normal form. 6/28 useless extension candidates. Maximal degree in co-relation 51. Up to 10 conditions per place. [2020-10-16 01:35:28,521 INFO L132 encePairwiseOnDemand]: 139/144 looper letters, 2 selfloop transitions, 5 changer transitions 3/21 dead transitions. [2020-10-16 01:35:28,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 21 transitions, 103 flow [2020-10-16 01:35:28,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 01:35:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 01:35:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 714 transitions. [2020-10-16 01:35:28,526 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8263888888888888 [2020-10-16 01:35:28,526 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 714 transitions. [2020-10-16 01:35:28,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 714 transitions. [2020-10-16 01:35:28,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:35:28,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 714 transitions. [2020-10-16 01:35:28,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 01:35:28,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 01:35:28,531 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 01:35:28,531 INFO L185 Difference]: Start difference. First operand has 29 places, 18 transitions, 67 flow. Second operand 6 states and 714 transitions. [2020-10-16 01:35:28,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 21 transitions, 103 flow [2020-10-16 01:35:28,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 21 transitions, 86 flow, removed 6 selfloop flow, removed 3 redundant places. [2020-10-16 01:35:28,533 INFO L241 Difference]: Finished difference. Result has 32 places, 18 transitions, 74 flow [2020-10-16 01:35:28,534 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=74, PETRI_PLACES=32, PETRI_TRANSITIONS=18} [2020-10-16 01:35:28,534 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, 7 predicate places. [2020-10-16 01:35:28,534 INFO L481 AbstractCegarLoop]: Abstraction has has 32 places, 18 transitions, 74 flow [2020-10-16 01:35:28,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 01:35:28,534 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:35:28,535 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:35:28,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 01:35:28,535 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:35:28,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:35:28,535 INFO L82 PathProgramCache]: Analyzing trace with hash -2073073755, now seen corresponding path program 1 times [2020-10-16 01:35:28,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:35:28,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661304305] [2020-10-16 01:35:28,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:35:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 01:35:28,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 01:35:28,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661304305] [2020-10-16 01:35:28,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 01:35:28,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-16 01:35:28,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911828565] [2020-10-16 01:35:28,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 01:35:28,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 01:35:28,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 01:35:28,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-16 01:35:28,707 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 144 [2020-10-16 01:35:28,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 18 transitions, 74 flow. Second operand 5 states. [2020-10-16 01:35:28,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 01:35:28,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 144 [2020-10-16 01:35:28,708 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 01:35:28,743 INFO L129 PetriNetUnfolder]: 2/29 cut-off events. [2020-10-16 01:35:28,743 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-10-16 01:35:28,744 INFO L80 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 29 events. 2/29 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 66. Up to 11 conditions per place. [2020-10-16 01:35:28,744 INFO L132 encePairwiseOnDemand]: 140/144 looper letters, 4 selfloop transitions, 1 changer transitions 2/20 dead transitions. [2020-10-16 01:35:28,744 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 20 transitions, 92 flow [2020-10-16 01:35:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 01:35:28,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-16 01:35:28,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 578 transitions. [2020-10-16 01:35:28,747 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.8027777777777778 [2020-10-16 01:35:28,747 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 578 transitions. [2020-10-16 01:35:28,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 578 transitions. [2020-10-16 01:35:28,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 01:35:28,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 578 transitions. [2020-10-16 01:35:28,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-16 01:35:28,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-16 01:35:28,751 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-16 01:35:28,751 INFO L185 Difference]: Start difference. First operand has 32 places, 18 transitions, 74 flow. Second operand 5 states and 578 transitions. [2020-10-16 01:35:28,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 20 transitions, 92 flow [2020-10-16 01:35:28,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 20 transitions, 76 flow, removed 5 selfloop flow, removed 5 redundant places. [2020-10-16 01:35:28,753 INFO L241 Difference]: Finished difference. Result has 32 places, 18 transitions, 67 flow [2020-10-16 01:35:28,753 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=144, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=67, PETRI_PLACES=32, PETRI_TRANSITIONS=18} [2020-10-16 01:35:28,754 INFO L342 CegarLoopForPetriNet]: 25 programPoint places, 7 predicate places. [2020-10-16 01:35:28,754 INFO L481 AbstractCegarLoop]: Abstraction has has 32 places, 18 transitions, 67 flow [2020-10-16 01:35:28,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 01:35:28,754 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 01:35:28,754 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 01:35:28,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 01:35:28,755 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 01:35:28,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 01:35:28,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1914838401, now seen corresponding path program 2 times [2020-10-16 01:35:28,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 01:35:28,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861438037] [2020-10-16 01:35:28,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 01:35:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:35:28,819 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:35:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 01:35:28,872 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 01:35:28,914 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 01:35:28,914 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 01:35:28,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 01:35:28,937 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,938 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,940 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,940 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,941 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,941 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,941 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,941 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,941 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,942 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,943 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,943 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,943 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,943 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,944 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,944 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,944 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,944 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,945 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,945 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,945 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,945 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,945 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,945 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,946 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,946 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,950 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,950 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,950 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,950 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,950 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,951 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,951 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,951 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,951 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,951 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,953 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,956 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,956 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,956 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,956 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,957 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,957 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,957 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,957 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,957 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,958 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,958 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,958 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,958 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,958 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,958 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,959 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,959 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,959 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,960 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,960 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,960 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,960 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,960 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,960 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,961 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,962 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,962 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,962 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,962 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,963 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,963 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,963 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,963 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:28,963 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-16 01:35:28,963 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-16 01:35:29,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:35:29 BasicIcfg [2020-10-16 01:35:29,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 01:35:29,056 INFO L168 Benchmark]: Toolchain (without parser) took 9127.96 ms. Allocated memory was 253.2 MB in the beginning and 512.2 MB in the end (delta: 259.0 MB). Free memory was 208.4 MB in the beginning and 207.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 260.1 MB. Max. memory is 14.2 GB. [2020-10-16 01:35:29,057 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 01:35:29,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 862.94 ms. Allocated memory was 253.2 MB in the beginning and 318.2 MB in the end (delta: 65.0 MB). Free memory was 208.4 MB in the beginning and 268.6 MB in the end (delta: -60.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 14.2 GB. [2020-10-16 01:35:29,061 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.55 ms. Allocated memory is still 318.2 MB. Free memory was 268.6 MB in the beginning and 266.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 01:35:29,063 INFO L168 Benchmark]: Boogie Preprocessor took 41.74 ms. Allocated memory is still 318.2 MB. Free memory was 266.0 MB in the beginning and 263.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 01:35:29,064 INFO L168 Benchmark]: RCFGBuilder took 2409.40 ms. Allocated memory was 318.2 MB in the beginning and 370.1 MB in the end (delta: 51.9 MB). Free memory was 263.5 MB in the beginning and 323.0 MB in the end (delta: -59.5 MB). Peak memory consumption was 143.0 MB. Max. memory is 14.2 GB. [2020-10-16 01:35:29,067 INFO L168 Benchmark]: TraceAbstraction took 5749.46 ms. Allocated memory was 370.1 MB in the beginning and 512.2 MB in the end (delta: 142.1 MB). Free memory was 323.0 MB in the beginning and 207.3 MB in the end (delta: 115.8 MB). Peak memory consumption was 257.9 MB. Max. memory is 14.2 GB. [2020-10-16 01:35:29,077 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 253.2 MB. Free memory is still 229.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 862.94 ms. Allocated memory was 253.2 MB in the beginning and 318.2 MB in the end (delta: 65.0 MB). Free memory was 208.4 MB in the beginning and 268.6 MB in the end (delta: -60.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 59.55 ms. Allocated memory is still 318.2 MB. Free memory was 268.6 MB in the beginning and 266.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 41.74 ms. Allocated memory is still 318.2 MB. Free memory was 266.0 MB in the beginning and 263.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 2409.40 ms. Allocated memory was 318.2 MB in the beginning and 370.1 MB in the end (delta: 51.9 MB). Free memory was 263.5 MB in the beginning and 323.0 MB in the end (delta: -59.5 MB). Peak memory consumption was 143.0 MB. Max. memory is 14.2 GB. * TraceAbstraction took 5749.46 ms. Allocated memory was 370.1 MB in the beginning and 512.2 MB in the end (delta: 142.1 MB). Free memory was 323.0 MB in the beginning and 207.3 MB in the end (delta: 115.8 MB). Peak memory consumption was 257.9 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 539 VarBasedMoverChecksPositive, 34 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 22 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.4s, 65 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.8s, 80 PlacesBefore, 25 PlacesAfterwards, 75 TransitionsBefore, 19 TransitionsAfterwards, 876 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 67 TotalNumberOfCompositions, 2071 MoverChecksTotal - CounterExampleResult [Line: 8]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L698] 0 int __unbuffered_cnt = 0; [L700] 0 int __unbuffered_p0_EAX = 0; [L702] 0 int __unbuffered_p1_EAX = 0; [L704] 0 int __unbuffered_p1_EBX = 0; [L705] 0 _Bool main$tmp_guard0; [L706] 0 _Bool main$tmp_guard1; [L708] 0 int x = 0; [L710] 0 int y = 0; [L711] 0 _Bool y$flush_delayed; [L712] 0 int y$mem_tmp; [L713] 0 _Bool y$r_buff0_thd0; [L714] 0 _Bool y$r_buff0_thd1; [L715] 0 _Bool y$r_buff0_thd2; [L716] 0 _Bool y$r_buff1_thd0; [L717] 0 _Bool y$r_buff1_thd1; [L718] 0 _Bool y$r_buff1_thd2; [L719] 0 _Bool y$read_delayed; [L720] 0 int *y$read_delayed_var; [L721] 0 int y$w_buff0; [L722] 0 _Bool y$w_buff0_used; [L723] 0 int y$w_buff1; [L724] 0 _Bool y$w_buff1_used; [L725] 0 _Bool weak$$choice0; [L726] 0 _Bool weak$$choice2; [L812] 0 pthread_t t1769; [L813] FCALL, FORK 0 pthread_create(&t1769, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L814] 0 pthread_t t1770; [L815] FCALL, FORK 0 pthread_create(&t1770, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L760] 2 y$w_buff1 = y$w_buff0 [L761] 2 y$w_buff0 = 1 [L762] 2 y$w_buff1_used = y$w_buff0_used [L763] 2 y$w_buff0_used = (_Bool)1 [L8] COND TRUE 2 !expression [L8] 2 __VERIFIER_error() [L765] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L766] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L767] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L768] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L771] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L772] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L773] 2 y$flush_delayed = weak$$choice2 [L774] 2 y$mem_tmp = y [L775] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L775] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L776] EXPR 2 weak$$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$w_buff0)) [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L776] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0 [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L776] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L776] 2 y$w_buff0 = weak$$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)) [L777] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L777] 2 y$w_buff1 = weak$$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)) [L778] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L778] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L778] EXPR 2 weak$$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)) [L778] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L779] EXPR 2 weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L779] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] EXPR 2 weak$$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)) [L780] EXPR 2 !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) [L780] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L780] 2 y$r_buff0_thd2 = weak$$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)) [L781] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] 2 y$r_buff1_thd2 = weak$$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$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 __unbuffered_p1_EAX = y [L783] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L783] 2 y = y$flush_delayed ? y$mem_tmp : y [L784] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$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$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L787] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$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$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L730] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L735] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L736] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L737] 1 y$flush_delayed = weak$$choice2 [L738] 1 y$mem_tmp = y [L739] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L739] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1 [L739] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L739] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L740] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L740] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L741] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L741] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1) [L741] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L741] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L742] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L742] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L743] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L743] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L743] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L743] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L744] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L744] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1) [L744] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L744] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L745] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L745] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L745] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L745] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L746] 1 __unbuffered_p0_EAX = y [L747] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L747] 1 y = y$flush_delayed ? y$mem_tmp : y [L748] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=6, 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=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L755] 1 return 0; [L790] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L790] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L791] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L791] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L792] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L792] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L793] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L793] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L794] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L794] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 2 return 0; [L817] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L4] COND FALSE 0 !(!cond) [L821] 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) [L821] 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) [L822] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L822] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L823] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L823] 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 [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L824] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L825] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L825] 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 [L828] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L8] COND TRUE 0 !expression [L8] 0 __VERIFIER_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, 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$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 76 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: 6, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.9s, HoareTripleCheckerStatistics: 19 SDtfs, 12 SDslu, 14 SDs, 0 SdLazy, 59 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 1387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...