/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-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-divine/condvar.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:29:57,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:29:57,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:29:57,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:29:57,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:29:57,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:29:57,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:29:57,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:29:57,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:29:57,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:29:57,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:29:57,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:29:57,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:29:57,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:29:57,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:29:57,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:29:57,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:29:57,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:29:57,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:29:57,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:29:57,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:29:57,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:29:57,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:29:57,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:29:57,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 02:29:57,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:29:57,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:29:57,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:29:57,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:29:57,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:29:57,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:29:57,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:29:57,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:29:57,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:29:57,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:29:57,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:29:57,703 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-McrAutomaton-SP.epf [2020-10-22 02:29:57,744 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:29:57,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:29:57,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:29:57,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:29:57,747 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:29:57,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:29:57,748 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:29:57,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:29:57,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:29:57,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:29:57,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:29:57,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:29:57,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:29:57,751 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:29:57,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:29:57,751 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:29:57,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:29:57,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:29:57,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:29:57,752 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:29:57,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:29:57,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:29:57,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:29:57,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:29:57,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:29:57,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:29:57,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:29:57,754 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:29:57,754 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:29:57,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:29:57,754 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:29:58,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:29:58,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:29:58,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:29:58,051 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:29:58,051 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:29:58,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/condvar.i [2020-10-22 02:29:58,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/403fdc18d/5bf5734455df4ff597c776124a5a01c7/FLAGa4ea25afd [2020-10-22 02:29:58,704 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:29:58,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/condvar.i [2020-10-22 02:29:58,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/403fdc18d/5bf5734455df4ff597c776124a5a01c7/FLAGa4ea25afd [2020-10-22 02:29:58,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/403fdc18d/5bf5734455df4ff597c776124a5a01c7 [2020-10-22 02:29:58,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:29:58,971 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:29:58,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:29:58,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:29:58,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:29:58,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:29:58" (1/1) ... [2020-10-22 02:29:58,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5036aeae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:29:58, skipping insertion in model container [2020-10-22 02:29:58,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:29:58" (1/1) ... [2020-10-22 02:29:58,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:29:59,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:29:59,209 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-22 02:29:59,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:29:59,556 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:29:59,582 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2020-10-22 02:29:59,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:29:59,717 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:29:59,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:29:59 WrapperNode [2020-10-22 02:29:59,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:29:59,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:29:59,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:29:59,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:29:59,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:29:59" (1/1) ... [2020-10-22 02:29:59,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:29:59" (1/1) ... [2020-10-22 02:29:59,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:29:59,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:29:59,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:29:59,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:29:59,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:29:59" (1/1) ... [2020-10-22 02:29:59,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:29:59" (1/1) ... [2020-10-22 02:29:59,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:29:59" (1/1) ... [2020-10-22 02:29:59,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:29:59" (1/1) ... [2020-10-22 02:29:59,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:29:59" (1/1) ... [2020-10-22 02:29:59,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:29:59" (1/1) ... [2020-10-22 02:29:59,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:29:59" (1/1) ... [2020-10-22 02:29:59,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:29:59,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:29:59,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:29:59,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:29:59,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:29:59" (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 [2020-10-22 02:29:59,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 02:29:59,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:29:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 02:29:59,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:29:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:29:59,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:29:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2020-10-22 02:29:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2020-10-22 02:29:59,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:29:59,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:29:59,911 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 02:30:00,344 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:30:00,344 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-22 02:30:00,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:30:00 BoogieIcfgContainer [2020-10-22 02:30:00,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:30:00,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:30:00,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:30:00,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:30:00,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:29:58" (1/3) ... [2020-10-22 02:30:00,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4e158b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:30:00, skipping insertion in model container [2020-10-22 02:30:00,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:29:59" (2/3) ... [2020-10-22 02:30:00,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4e158b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:30:00, skipping insertion in model container [2020-10-22 02:30:00,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:30:00" (3/3) ... [2020-10-22 02:30:00,361 INFO L111 eAbstractionObserver]: Analyzing ICFG condvar.i [2020-10-22 02:30:00,377 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:30:00,377 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:30:00,385 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 02:30:00,385 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:30:00,409 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,410 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,410 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,410 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,411 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,411 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,412 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,412 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,412 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,413 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,413 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,413 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,414 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,414 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,417 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,418 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,421 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,422 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,422 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,422 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_reach_error_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,422 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,423 WARN L313 ript$VariableManager]: TermVariabe |threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:30:00,437 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-22 02:30:00,450 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-22 02:30:00,469 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:30:00,470 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:30:00,470 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:30:00,470 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:30:00,470 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:30:00,470 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:30:00,470 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:30:00,470 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:30:00,483 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:30:00,483 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 73 transitions, 154 flow [2020-10-22 02:30:00,486 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 73 transitions, 154 flow [2020-10-22 02:30:00,488 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 71 places, 73 transitions, 154 flow [2020-10-22 02:30:00,535 INFO L129 PetriNetUnfolder]: 6/72 cut-off events. [2020-10-22 02:30:00,535 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-22 02:30:00,540 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 72 events. 6/72 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 64 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 31. Up to 3 conditions per place. [2020-10-22 02:30:00,542 INFO L116 LiptonReduction]: Number of co-enabled transitions 440 [2020-10-22 02:30:02,350 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-22 02:30:02,477 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-22 02:30:03,102 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 150 [2020-10-22 02:30:03,396 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-22 02:30:03,399 INFO L131 LiptonReduction]: Checked pairs total: 549 [2020-10-22 02:30:03,399 INFO L133 LiptonReduction]: Total number of compositions: 69 [2020-10-22 02:30:03,407 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 14 transitions, 36 flow [2020-10-22 02:30:03,415 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-10-22 02:30:03,417 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-22 02:30:03,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-22 02:30:03,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:30:03,424 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-22 02:30:03,425 INFO L429 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:30:03,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:30:03,431 INFO L82 PathProgramCache]: Analyzing trace with hash 277490149, now seen corresponding path program 1 times [2020-10-22 02:30:03,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:30:03,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308730940] [2020-10-22 02:30:03,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:30:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:30:03,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:30:03,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308730940] [2020-10-22 02:30:03,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:30:03,684 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:30:03,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [10914864] [2020-10-22 02:30:03,686 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:30:03,688 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:30:03,698 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-22 02:30:03,699 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:30:03,703 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:30:03,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:30:03,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:30:03,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:30:03,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:30:03,719 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-10-22 02:30:03,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:30:03,761 INFO L93 Difference]: Finished difference Result 13 states and 19 transitions. [2020-10-22 02:30:03,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:30:03,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-22 02:30:03,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:30:03,773 INFO L225 Difference]: With dead ends: 13 [2020-10-22 02:30:03,774 INFO L226 Difference]: Without dead ends: 10 [2020-10-22 02:30:03,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:30:03,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-10-22 02:30:03,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-10-22 02:30:03,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-22 02:30:03,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 16 transitions. [2020-10-22 02:30:03,818 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 16 transitions. Word has length 5 [2020-10-22 02:30:03,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:30:03,819 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 16 transitions. [2020-10-22 02:30:03,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:30:03,819 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 16 transitions. [2020-10-22 02:30:03,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 02:30:03,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:30:03,820 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:30:03,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:30:03,820 INFO L429 AbstractCegarLoop]: === Iteration 2 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:30:03,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:30:03,821 INFO L82 PathProgramCache]: Analyzing trace with hash 379937306, now seen corresponding path program 1 times [2020-10-22 02:30:03,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:30:03,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109147961] [2020-10-22 02:30:03,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:30:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:30:03,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:30:03,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109147961] [2020-10-22 02:30:03,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:30:03,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:30:03,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1597623483] [2020-10-22 02:30:03,925 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:30:03,926 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:30:03,929 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 11 transitions. [2020-10-22 02:30:03,936 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:30:03,976 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:30:03,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:30:03,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:30:03,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:30:03,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:30:03,979 INFO L87 Difference]: Start difference. First operand 10 states and 16 transitions. Second operand 3 states. [2020-10-22 02:30:03,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:30:03,994 INFO L93 Difference]: Finished difference Result 12 states and 20 transitions. [2020-10-22 02:30:03,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:30:03,994 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-22 02:30:03,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:30:03,995 INFO L225 Difference]: With dead ends: 12 [2020-10-22 02:30:03,995 INFO L226 Difference]: Without dead ends: 12 [2020-10-22 02:30:03,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:30:03,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-10-22 02:30:03,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-10-22 02:30:03,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-22 02:30:04,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 20 transitions. [2020-10-22 02:30:04,000 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 20 transitions. Word has length 7 [2020-10-22 02:30:04,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:30:04,001 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 20 transitions. [2020-10-22 02:30:04,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:30:04,001 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2020-10-22 02:30:04,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 02:30:04,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:30:04,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:30:04,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:30:04,002 INFO L429 AbstractCegarLoop]: === Iteration 3 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:30:04,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:30:04,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1106531802, now seen corresponding path program 1 times [2020-10-22 02:30:04,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:30:04,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839816479] [2020-10-22 02:30:04,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:30:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:30:04,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:30:04,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839816479] [2020-10-22 02:30:04,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39961302] [2020-10-22 02:30:04,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:30:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:30:04,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 02:30:04,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:30:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:30:04,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:30:04,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-10-22 02:30:04,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1452138159] [2020-10-22 02:30:04,160 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:30:04,160 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:30:04,164 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 14 transitions. [2020-10-22 02:30:04,164 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:30:04,230 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:30:04,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:30:04,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:30:04,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:30:04,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:30:04,232 INFO L87 Difference]: Start difference. First operand 12 states and 20 transitions. Second operand 4 states. [2020-10-22 02:30:04,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:30:04,248 INFO L93 Difference]: Finished difference Result 14 states and 24 transitions. [2020-10-22 02:30:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:30:04,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-10-22 02:30:04,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:30:04,250 INFO L225 Difference]: With dead ends: 14 [2020-10-22 02:30:04,250 INFO L226 Difference]: Without dead ends: 14 [2020-10-22 02:30:04,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:30:04,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-10-22 02:30:04,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-22 02:30:04,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-22 02:30:04,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 24 transitions. [2020-10-22 02:30:04,255 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 24 transitions. Word has length 8 [2020-10-22 02:30:04,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:30:04,256 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 24 transitions. [2020-10-22 02:30:04,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:30:04,256 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 24 transitions. [2020-10-22 02:30:04,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 02:30:04,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:30:04,257 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:30:04,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-22 02:30:04,458 INFO L429 AbstractCegarLoop]: === Iteration 4 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:30:04,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:30:04,459 INFO L82 PathProgramCache]: Analyzing trace with hash 57566106, now seen corresponding path program 2 times [2020-10-22 02:30:04,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:30:04,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180529173] [2020-10-22 02:30:04,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:30:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:30:04,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:30:04,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180529173] [2020-10-22 02:30:04,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562612874] [2020-10-22 02:30:04,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:30:04,609 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-22 02:30:04,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:30:04,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-22 02:30:04,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:30:04,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:30:04,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:30:04,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-10-22 02:30:04,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [534003049] [2020-10-22 02:30:04,637 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:30:04,637 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:30:04,640 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 17 transitions. [2020-10-22 02:30:04,640 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:30:04,729 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:30:04,729 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:30:04,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:30:04,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:30:04,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:30:04,730 INFO L87 Difference]: Start difference. First operand 14 states and 24 transitions. Second operand 5 states. [2020-10-22 02:30:04,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:30:04,748 INFO L93 Difference]: Finished difference Result 16 states and 28 transitions. [2020-10-22 02:30:04,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 02:30:04,749 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2020-10-22 02:30:04,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:30:04,749 INFO L225 Difference]: With dead ends: 16 [2020-10-22 02:30:04,750 INFO L226 Difference]: Without dead ends: 16 [2020-10-22 02:30:04,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-22 02:30:04,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-22 02:30:04,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-22 02:30:04,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-22 02:30:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 28 transitions. [2020-10-22 02:30:04,757 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 28 transitions. Word has length 9 [2020-10-22 02:30:04,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:30:04,757 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 28 transitions. [2020-10-22 02:30:04,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:30:04,758 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 28 transitions. [2020-10-22 02:30:04,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:30:04,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:30:04,759 INFO L422 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:30:04,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:30:04,971 INFO L429 AbstractCegarLoop]: === Iteration 5 === [threadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, threadErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:30:04,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:30:04,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1784862886, now seen corresponding path program 3 times [2020-10-22 02:30:04,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:30:04,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325535794] [2020-10-22 02:30:04,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:30:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:30:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:30:05,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325535794] [2020-10-22 02:30:05,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254550332] [2020-10-22 02:30:05,022 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:30:05,076 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-10-22 02:30:05,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-22 02:30:05,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-22 02:30:05,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:30:05,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-22 02:30:05,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-22 02:30:05,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2020-10-22 02:30:05,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1009480419] [2020-10-22 02:30:05,120 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:30:05,121 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:30:05,123 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 20 transitions. [2020-10-22 02:30:05,123 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:30:05,183 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:30:05,184 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:30:05,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:30:05,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:30:05,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-22 02:30:05,185 INFO L87 Difference]: Start difference. First operand 16 states and 28 transitions. Second operand 4 states. [2020-10-22 02:30:05,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:30:05,210 INFO L93 Difference]: Finished difference Result 15 states and 27 transitions. [2020-10-22 02:30:05,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:30:05,211 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-22 02:30:05,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:30:05,211 INFO L225 Difference]: With dead ends: 15 [2020-10-22 02:30:05,211 INFO L226 Difference]: Without dead ends: 0 [2020-10-22 02:30:05,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-22 02:30:05,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-22 02:30:05,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-22 02:30:05,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-22 02:30:05,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-22 02:30:05,213 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-10-22 02:30:05,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:30:05,213 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-22 02:30:05,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:30:05,213 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-22 02:30:05,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-22 02:30:05,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:30:05,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:30:05 BasicIcfg [2020-10-22 02:30:05,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 02:30:05,428 INFO L168 Benchmark]: Toolchain (without parser) took 6462.59 ms. Allocated memory was 140.0 MB in the beginning and 283.6 MB in the end (delta: 143.7 MB). Free memory was 101.7 MB in the beginning and 178.8 MB in the end (delta: -77.2 MB). Peak memory consumption was 66.5 MB. Max. memory is 7.1 GB. [2020-10-22 02:30:05,429 INFO L168 Benchmark]: CDTParser took 3.14 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-22 02:30:05,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.08 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 160.5 MB in the end (delta: -59.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-10-22 02:30:05,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.67 ms. Allocated memory is still 203.4 MB. Free memory was 160.5 MB in the beginning and 158.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:30:05,432 INFO L168 Benchmark]: Boogie Preprocessor took 28.64 ms. Allocated memory is still 203.4 MB. Free memory was 158.4 MB in the beginning and 156.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 02:30:05,433 INFO L168 Benchmark]: RCFGBuilder took 549.36 ms. Allocated memory is still 203.4 MB. Free memory was 156.4 MB in the beginning and 132.9 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-10-22 02:30:05,436 INFO L168 Benchmark]: TraceAbstraction took 5078.57 ms. Allocated memory was 203.4 MB in the beginning and 283.6 MB in the end (delta: 80.2 MB). Free memory was 132.2 MB in the beginning and 178.8 MB in the end (delta: -46.7 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2020-10-22 02:30:05,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.14 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 747.08 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 160.5 MB in the end (delta: -59.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.67 ms. Allocated memory is still 203.4 MB. Free memory was 160.5 MB in the beginning and 158.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.64 ms. Allocated memory is still 203.4 MB. Free memory was 158.4 MB in the beginning and 156.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 549.36 ms. Allocated memory is still 203.4 MB. Free memory was 156.4 MB in the beginning and 132.9 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5078.57 ms. Allocated memory was 203.4 MB in the beginning and 283.6 MB in the end (delta: 80.2 MB). Free memory was 132.2 MB in the beginning and 178.8 MB in the end (delta: -46.7 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 254 VarBasedMoverChecksPositive, 15 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 9 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.9s, 71 PlacesBefore, 15 PlacesAfterwards, 73 TransitionsBefore, 14 TransitionsAfterwards, 440 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 69 TotalNumberOfCompositions, 549 MoverChecksTotal - PositiveResult [Line: 696]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 52 SDtfs, 13 SDslu, 50 SDs, 0 SdLazy, 32 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 37 SyntacticMatches, 7 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 66 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 880 SizeOfPredicates, 3 NumberOfNonLiveVariables, 334 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 6/20 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 correct! Received shutdown request...