/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/podwr000_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:35:40,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:35:40,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:35:40,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:35:40,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:35:40,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:35:40,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:35:40,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:35:40,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:35:40,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:35:40,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:35:40,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:35:40,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:35:40,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:35:40,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:35:40,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:35:40,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:35:40,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:35:40,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:35:40,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:35:40,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:35:40,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:35:40,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:35:40,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:35:40,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-05 23:35:40,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-05 23:35:40,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-05 23:35:40,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-05 23:35:40,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-05 23:35:40,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-05 23:35:40,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:35:40,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:35:40,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:35:40,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:35:40,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:35:40,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:35:40,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:35:40,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:35:40,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:35:40,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:35:40,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:35:40,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:35:40,782 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:35:40,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:35:40,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:35:40,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:35:40,784 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:35:40,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:35:40,784 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:35:40,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:35:40,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:35:40,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:35:40,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:35:40,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:35:40,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:35:40,786 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:35:40,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:35:40,786 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:35:40,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:35:40,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:35:40,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:35:40,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:35:40,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:35:40,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:35:40,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:35:40,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:35:40,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:35:40,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:35:40,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:35:40,788 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:35:40,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:35:41,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:35:41,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:35:41,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:35:41,129 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:35:41,130 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:35:41,131 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/podwr000_power.oepc.i [2020-10-05 23:35:41,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49880aacd/84107fc6286841c58ef798540243f82e/FLAG9fb58774d [2020-10-05 23:35:41,734 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:35:41,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/podwr000_power.oepc.i [2020-10-05 23:35:41,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49880aacd/84107fc6286841c58ef798540243f82e/FLAG9fb58774d [2020-10-05 23:35:42,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49880aacd/84107fc6286841c58ef798540243f82e [2020-10-05 23:35:42,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:35:42,178 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:35:42,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:35:42,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:35:42,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:35:42,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:35:42" (1/1) ... [2020-10-05 23:35:42,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1467314f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:35:42, skipping insertion in model container [2020-10-05 23:35:42,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:35:42" (1/1) ... [2020-10-05 23:35:42,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:35:42,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:35:42,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:35:42,754 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:35:42,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:35:42,908 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:35:42,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:35:42 WrapperNode [2020-10-05 23:35:42,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:35:42,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:35:42,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:35:42,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:35:42,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:35:42" (1/1) ... [2020-10-05 23:35:42,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:35:42" (1/1) ... [2020-10-05 23:35:42,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:35:42,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:35:42,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:35:42,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:35:42,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:35:42" (1/1) ... [2020-10-05 23:35:42,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:35:42" (1/1) ... [2020-10-05 23:35:42,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:35:42" (1/1) ... [2020-10-05 23:35:42,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:35:42" (1/1) ... [2020-10-05 23:35:42,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:35:42" (1/1) ... [2020-10-05 23:35:43,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:35:42" (1/1) ... [2020-10-05 23:35:43,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:35:42" (1/1) ... [2020-10-05 23:35:43,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:35:43,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:35:43,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:35:43,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:35:43,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:35:42" (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 [2020-10-05 23:35:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:35:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:35:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:35:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:35:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:35:43,083 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:35:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:35:43,084 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:35:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:35:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:35:43,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:35:43,087 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:35:44,960 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:35:44,961 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-05 23:35:44,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:35:44 BoogieIcfgContainer [2020-10-05 23:35:44,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:35:44,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:35:44,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:35:44,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:35:44,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:35:42" (1/3) ... [2020-10-05 23:35:44,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2d5397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:35:44, skipping insertion in model container [2020-10-05 23:35:44,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:35:42" (2/3) ... [2020-10-05 23:35:44,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e2d5397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:35:44, skipping insertion in model container [2020-10-05 23:35:44,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:35:44" (3/3) ... [2020-10-05 23:35:44,976 INFO L109 eAbstractionObserver]: Analyzing ICFG podwr000_power.oepc.i [2020-10-05 23:35:44,986 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:35:44,987 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:35:44,996 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-05 23:35:44,997 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:35:45,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,043 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,043 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,043 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,043 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,044 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,044 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,045 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,046 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,046 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,047 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,047 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,047 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,047 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,047 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,048 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,049 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,050 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,051 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,052 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,057 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,057 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,061 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,061 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,062 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,062 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,062 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,062 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,062 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,063 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,063 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,063 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,063 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,063 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,068 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,071 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:35:45,087 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-05 23:35:45,108 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:35:45,108 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:35:45,109 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:35:45,109 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:35:45,109 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:35:45,109 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:35:45,109 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:35:45,109 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:35:45,124 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 76 transitions, 162 flow [2020-10-05 23:35:45,127 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 81 places, 76 transitions, 162 flow [2020-10-05 23:35:45,165 INFO L129 PetriNetUnfolder]: 2/74 cut-off events. [2020-10-05 23:35:45,166 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:35:45,170 INFO L80 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 74 events. 2/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2020-10-05 23:35:45,173 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 81 places, 76 transitions, 162 flow [2020-10-05 23:35:45,191 INFO L129 PetriNetUnfolder]: 2/74 cut-off events. [2020-10-05 23:35:45,191 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:35:45,192 INFO L80 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 74 events. 2/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2020-10-05 23:35:45,194 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 896 [2020-10-05 23:35:45,195 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:35:45,624 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-05 23:35:45,926 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-10-05 23:35:46,620 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-10-05 23:35:47,423 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-10-05 23:35:47,530 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2311 [2020-10-05 23:35:47,530 INFO L214 etLargeBlockEncoding]: Total number of compositions: 64 [2020-10-05 23:35:47,534 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 19 transitions, 48 flow [2020-10-05 23:35:47,551 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 164 states. [2020-10-05 23:35:47,554 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-10-05 23:35:47,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-05 23:35:47,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:35:47,561 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-05 23:35:47,562 INFO L427 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:35:47,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:35:47,568 INFO L82 PathProgramCache]: Analyzing trace with hash 898530, now seen corresponding path program 1 times [2020-10-05 23:35:47,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:35:47,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465511610] [2020-10-05 23:35:47,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:35:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:35:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:35:47,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465511610] [2020-10-05 23:35:47,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:35:47,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 23:35:47,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154399556] [2020-10-05 23:35:47,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 23:35:47,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:35:47,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 23:35:47,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:35:47,821 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 3 states. [2020-10-05 23:35:47,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:35:47,894 INFO L93 Difference]: Finished difference Result 137 states and 320 transitions. [2020-10-05 23:35:47,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 23:35:47,896 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-05 23:35:47,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:35:47,910 INFO L225 Difference]: With dead ends: 137 [2020-10-05 23:35:47,910 INFO L226 Difference]: Without dead ends: 112 [2020-10-05 23:35:47,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 23:35:47,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-05 23:35:47,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-10-05 23:35:47,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-05 23:35:47,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 255 transitions. [2020-10-05 23:35:47,961 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 255 transitions. Word has length 3 [2020-10-05 23:35:47,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:35:47,962 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 255 transitions. [2020-10-05 23:35:47,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 23:35:47,962 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 255 transitions. [2020-10-05 23:35:47,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-05 23:35:47,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:35:47,963 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:35:47,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:35:47,964 INFO L427 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:35:47,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:35:47,965 INFO L82 PathProgramCache]: Analyzing trace with hash 926120016, now seen corresponding path program 1 times [2020-10-05 23:35:47,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:35:47,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863814077] [2020-10-05 23:35:47,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:35:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:35:48,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:35:48,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863814077] [2020-10-05 23:35:48,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:35:48,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:35:48,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989668559] [2020-10-05 23:35:48,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:35:48,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:35:48,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:35:48,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:35:48,080 INFO L87 Difference]: Start difference. First operand 112 states and 255 transitions. Second operand 4 states. [2020-10-05 23:35:48,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:35:48,108 INFO L93 Difference]: Finished difference Result 89 states and 167 transitions. [2020-10-05 23:35:48,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:35:48,109 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-05 23:35:48,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:35:48,110 INFO L225 Difference]: With dead ends: 89 [2020-10-05 23:35:48,110 INFO L226 Difference]: Without dead ends: 64 [2020-10-05 23:35:48,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:35:48,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-05 23:35:48,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-05 23:35:48,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-05 23:35:48,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 111 transitions. [2020-10-05 23:35:48,118 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 111 transitions. Word has length 7 [2020-10-05 23:35:48,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:35:48,119 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 111 transitions. [2020-10-05 23:35:48,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:35:48,119 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 111 transitions. [2020-10-05 23:35:48,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:35:48,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:35:48,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:35:48,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:35:48,121 INFO L427 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:35:48,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:35:48,121 INFO L82 PathProgramCache]: Analyzing trace with hash 2082339681, now seen corresponding path program 1 times [2020-10-05 23:35:48,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:35:48,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864978091] [2020-10-05 23:35:48,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:35:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:35:48,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:35:48,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864978091] [2020-10-05 23:35:48,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:35:48,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-05 23:35:48,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036991644] [2020-10-05 23:35:48,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:35:48,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:35:48,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:35:48,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:35:48,325 INFO L87 Difference]: Start difference. First operand 64 states and 111 transitions. Second operand 5 states. [2020-10-05 23:35:48,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:35:48,361 INFO L93 Difference]: Finished difference Result 49 states and 79 transitions. [2020-10-05 23:35:48,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:35:48,362 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-05 23:35:48,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:35:48,363 INFO L225 Difference]: With dead ends: 49 [2020-10-05 23:35:48,363 INFO L226 Difference]: Without dead ends: 40 [2020-10-05 23:35:48,363 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:35:48,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-05 23:35:48,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-05 23:35:48,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-05 23:35:48,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 63 transitions. [2020-10-05 23:35:48,368 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 63 transitions. Word has length 11 [2020-10-05 23:35:48,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:35:48,368 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 63 transitions. [2020-10-05 23:35:48,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:35:48,368 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2020-10-05 23:35:48,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-05 23:35:48,369 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:35:48,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:35:48,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:35:48,370 INFO L427 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:35:48,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:35:48,370 INFO L82 PathProgramCache]: Analyzing trace with hash 692480776, now seen corresponding path program 1 times [2020-10-05 23:35:48,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:35:48,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135347858] [2020-10-05 23:35:48,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:35:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:35:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:35:48,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135347858] [2020-10-05 23:35:48,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:35:48,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:35:48,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788667017] [2020-10-05 23:35:48,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:35:48,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:35:48,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:35:48,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:35:48,512 INFO L87 Difference]: Start difference. First operand 40 states and 63 transitions. Second operand 4 states. [2020-10-05 23:35:48,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:35:48,535 INFO L93 Difference]: Finished difference Result 54 states and 82 transitions. [2020-10-05 23:35:48,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 23:35:48,535 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-05 23:35:48,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:35:48,536 INFO L225 Difference]: With dead ends: 54 [2020-10-05 23:35:48,536 INFO L226 Difference]: Without dead ends: 32 [2020-10-05 23:35:48,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:35:48,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-05 23:35:48,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-05 23:35:48,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-05 23:35:48,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 47 transitions. [2020-10-05 23:35:48,542 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 47 transitions. Word has length 15 [2020-10-05 23:35:48,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:35:48,542 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 47 transitions. [2020-10-05 23:35:48,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:35:48,542 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2020-10-05 23:35:48,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-05 23:35:48,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:35:48,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:35:48,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:35:48,546 INFO L427 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:35:48,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:35:48,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1534473656, now seen corresponding path program 2 times [2020-10-05 23:35:48,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:35:48,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591163724] [2020-10-05 23:35:48,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:35:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:35:48,664 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:35:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-05 23:35:48,714 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-05 23:35:48,748 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-05 23:35:48,748 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-05 23:35:48,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:35:48,750 WARN L633 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-05 23:35:48,762 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [859] [859] L3-->L810: Formula: (let ((.cse6 (= (mod ~y$r_buff0_thd0~0_In-1652894331 256) 0)) (.cse7 (= (mod ~y$w_buff0_used~0_In-1652894331 256) 0)) (.cse8 (= (mod ~y$w_buff1_used~0_In-1652894331 256) 0)) (.cse9 (= (mod ~y$r_buff1_thd0~0_In-1652894331 256) 0))) (let ((.cse3 (or .cse8 .cse9)) (.cse1 (not .cse9)) (.cse2 (not .cse8)) (.cse0 (or .cse6 .cse7)) (.cse4 (not .cse7)) (.cse5 (not .cse6))) (and (or (and .cse0 (or (and .cse1 (= ~y$w_buff1~0_In-1652894331 ~y~0_Out-1652894331) .cse2) (and (= ~y~0_Out-1652894331 ~y~0_In-1652894331) .cse3))) (and (= ~y$w_buff0~0_In-1652894331 ~y~0_Out-1652894331) .cse4 .cse5)) (= ~y$r_buff1_thd0~0_Out-1652894331 ~y$r_buff1_thd0~0_In-1652894331) (= ~y$r_buff0_thd0~0_In-1652894331 ~y$r_buff0_thd0~0_Out-1652894331) (or (and (= ~y$w_buff1_used~0_In-1652894331 ~y$w_buff1_used~0_Out-1652894331) .cse3) (and .cse1 (= ~y$w_buff1_used~0_Out-1652894331 0) .cse2)) (or (and (= ~y$w_buff0_used~0_Out-1652894331 ~y$w_buff0_used~0_In-1652894331) .cse0) (and .cse4 .cse5 (= ~y$w_buff0_used~0_Out-1652894331 0))) (not (= ULTIMATE.start_assume_abort_if_not_~cond_In-1652894331 0))))) InVars {ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In-1652894331, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-1652894331, ~y$w_buff1~0=~y$w_buff1~0_In-1652894331, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-1652894331, ~y$w_buff0~0=~y$w_buff0~0_In-1652894331, ~y~0=~y~0_In-1652894331, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-1652894331, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1652894331} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_Out-1652894331, ULTIMATE.start_main_#t~ite39=|ULTIMATE.start_main_#t~ite39_Out-1652894331|, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out-1652894331|, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out-1652894331|, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out-1652894331|, ULTIMATE.start_main_#t~ite41=|ULTIMATE.start_main_#t~ite41_Out-1652894331|, ULTIMATE.start_main_#t~ite40=|ULTIMATE.start_main_#t~ite40_Out-1652894331|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In-1652894331, ~y$w_buff1~0=~y$w_buff1~0_In-1652894331, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_Out-1652894331, ~y$w_buff0~0=~y$w_buff0~0_In-1652894331, ~y~0=~y~0_Out-1652894331, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_Out-1652894331, ~y$w_buff1_used~0=~y$w_buff1_used~0_Out-1652894331} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ~y$w_buff0_used~0, ULTIMATE.start_main_#t~ite39, ~y$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite43, ~y~0, ULTIMATE.start_main_#t~ite42, ~y$r_buff1_thd0~0, ULTIMATE.start_main_#t~ite44, ~y$w_buff1_used~0] because there is no mapped edge [2020-10-05 23:35:48,768 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,769 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,770 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,770 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,770 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,771 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,771 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,771 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,771 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,771 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,772 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,772 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,772 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,772 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,772 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,773 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,773 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,773 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,773 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,773 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,774 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,774 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,774 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,774 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,774 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,775 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,775 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,775 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,775 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,776 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,776 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,776 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,776 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,776 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,776 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,777 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,777 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,777 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,778 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,778 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,778 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,778 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,778 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,778 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,779 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-05 23:35:48,779 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-05 23:35:48,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:35:48 BasicIcfg [2020-10-05 23:35:48,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:35:48,824 INFO L168 Benchmark]: Toolchain (without parser) took 6646.66 ms. Allocated memory was 147.8 MB in the beginning and 288.9 MB in the end (delta: 141.0 MB). Free memory was 102.1 MB in the beginning and 191.4 MB in the end (delta: -89.3 MB). Peak memory consumption was 51.8 MB. Max. memory is 7.1 GB. [2020-10-05 23:35:48,825 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 147.8 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-05 23:35:48,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.39 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 101.9 MB in the beginning and 158.2 MB in the end (delta: -56.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:35:48,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.87 ms. Allocated memory is still 203.9 MB. Free memory was 158.2 MB in the beginning and 155.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:35:48,828 INFO L168 Benchmark]: Boogie Preprocessor took 44.79 ms. Allocated memory is still 203.9 MB. Free memory was 155.6 MB in the beginning and 153.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-05 23:35:48,829 INFO L168 Benchmark]: RCFGBuilder took 1949.00 ms. Allocated memory was 203.9 MB in the beginning and 246.9 MB in the end (delta: 43.0 MB). Free memory was 153.0 MB in the beginning and 197.6 MB in the end (delta: -44.6 MB). Peak memory consumption was 101.5 MB. Max. memory is 7.1 GB. [2020-10-05 23:35:48,830 INFO L168 Benchmark]: TraceAbstraction took 3857.83 ms. Allocated memory was 246.9 MB in the beginning and 288.9 MB in the end (delta: 41.9 MB). Free memory was 195.9 MB in the beginning and 191.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. [2020-10-05 23:35:48,834 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 147.8 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 730.39 ms. Allocated memory was 147.8 MB in the beginning and 203.9 MB in the end (delta: 56.1 MB). Free memory was 101.9 MB in the beginning and 158.2 MB in the end (delta: -56.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.87 ms. Allocated memory is still 203.9 MB. Free memory was 158.2 MB in the beginning and 155.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.79 ms. Allocated memory is still 203.9 MB. Free memory was 155.6 MB in the beginning and 153.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1949.00 ms. Allocated memory was 203.9 MB in the beginning and 246.9 MB in the end (delta: 43.0 MB). Free memory was 153.0 MB in the beginning and 197.6 MB in the end (delta: -44.6 MB). Peak memory consumption was 101.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3857.83 ms. Allocated memory was 246.9 MB in the beginning and 288.9 MB in the end (delta: 41.9 MB). Free memory was 195.9 MB in the beginning and 191.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 81 ProgramPointsBefore, 26 ProgramPointsAfterwards, 76 TransitionsBefore, 19 TransitionsAfterwards, 896 CoEnabledTransitionPairs, 7 FixpointIterations, 29 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 471 VarBasedMoverChecksPositive, 27 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2311 CheckedPairsTotal, 64 TotalNumberOfCompositions - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L697] 0 int __unbuffered_cnt = 0; [L699] 0 int __unbuffered_p0_EAX = 0; [L701] 0 int __unbuffered_p1_EAX = 0; [L702] 0 _Bool main$tmp_guard0; [L703] 0 _Bool main$tmp_guard1; [L705] 0 int x = 0; [L707] 0 int y = 0; [L708] 0 _Bool y$flush_delayed; [L709] 0 int y$mem_tmp; [L710] 0 _Bool y$r_buff0_thd0; [L711] 0 _Bool y$r_buff0_thd1; [L712] 0 _Bool y$r_buff0_thd2; [L713] 0 _Bool y$r_buff1_thd0; [L714] 0 _Bool y$r_buff1_thd1; [L715] 0 _Bool y$r_buff1_thd2; [L716] 0 _Bool y$read_delayed; [L717] 0 int *y$read_delayed_var; [L718] 0 int y$w_buff0; [L719] 0 _Bool y$w_buff0_used; [L720] 0 int y$w_buff1; [L721] 0 _Bool y$w_buff1_used; [L722] 0 _Bool weak$$choice0; [L723] 0 _Bool weak$$choice2; [L796] 0 pthread_t t1545; [L797] FCALL, FORK 0 pthread_create(&t1545, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L798] 0 pthread_t t1546; [L799] FCALL, FORK 0 pthread_create(&t1546, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L727] 1 y$w_buff1 = y$w_buff0 [L728] 1 y$w_buff0 = 1 [L729] 1 y$w_buff1_used = y$w_buff0_used [L730] 1 y$w_buff0_used = (_Bool)1 [L7] COND TRUE 1 !expression [L7] 1 __VERIFIER_error() [L732] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L733] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L734] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L735] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L738] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L755] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L758] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L759] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L760] 2 y$flush_delayed = weak$$choice2 [L761] 2 y$mem_tmp = y [L762] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L762] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L763] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L763] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L764] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L764] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L764] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L764] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L765] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L765] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L765] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L765] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L766] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L766] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L767] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L767] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L768] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L768] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L768] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0 [L768] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L768] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L768] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L769] 2 __unbuffered_p1_EAX = y [L770] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L770] 2 y = y$flush_delayed ? y$mem_tmp : y [L771] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L774] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L774] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L775] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L775] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L776] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L776] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L777] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L777] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L778] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L778] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L781] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L783] 2 return 0; [L741] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L741] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L742] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L742] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L743] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L743] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L744] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L744] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L745] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L745] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L748] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L750] 1 return 0; [L801] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L812] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0) [L7] COND TRUE 0 !expression [L7] 0 __VERIFIER_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 75 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 57 SDtfs, 79 SDslu, 62 SDs, 0 SdLazy, 34 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 880 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...