/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/concurrent/pthreads/pthreadExitSafe.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:49:58,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:49:58,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:49:58,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:49:58,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:49:58,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:49:58,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:49:58,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:49:58,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:49:58,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:49:58,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:49:58,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:49:58,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:49:58,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:49:58,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:49:58,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:49:58,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:49:58,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:49:58,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:49:58,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:49:58,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:49:58,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:49:58,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:49:58,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:49:58,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:49:58,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:49:58,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:49:58,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:49:58,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:49:58,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:49:58,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:49:58,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:49:58,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:49:58,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:49:58,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:49:58,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:49:58,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:49:58,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:49:58,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:49:58,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:49:58,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:49:58,552 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-17 10:49:58,566 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:49:58,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:49:58,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:49:58,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:49:58,569 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:49:58,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:49:58,569 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:49:58,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:49:58,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:49:58,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:49:58,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:49:58,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:49:58,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:49:58,570 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:49:58,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:49:58,571 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:49:58,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:49:58,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:49:58,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:49:58,572 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:49:58,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:49:58,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:49:58,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:49:58,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:49:58,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:49:58,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:49:58,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:49:58,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:49:58,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-17 10:49:58,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:49:58,865 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:49:58,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:49:58,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:49:58,885 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:49:58,885 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:49:58,886 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/pthreadExitSafe.c [2019-12-17 10:49:58,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01be22254/9ffb1719f86d47899a311449c0f9c091/FLAGb3dc7299c [2019-12-17 10:49:59,398 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:49:59,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/pthreadExitSafe.c [2019-12-17 10:49:59,400 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:49:59,400 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:49:59,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01be22254/9ffb1719f86d47899a311449c0f9c091/FLAGb3dc7299c [2019-12-17 10:49:59,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01be22254/9ffb1719f86d47899a311449c0f9c091 [2019-12-17 10:49:59,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:49:59,830 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:49:59,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:49:59,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:49:59,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:49:59,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:49:59" (1/1) ... [2019-12-17 10:49:59,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c96166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:49:59, skipping insertion in model container [2019-12-17 10:49:59,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:49:59" (1/1) ... [2019-12-17 10:49:59,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:49:59,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:50:00,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:50:00,160 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:50:00,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:50:00,189 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:50:00,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:00 WrapperNode [2019-12-17 10:50:00,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:50:00,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:50:00,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:50:00,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:50:00,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:00" (1/1) ... [2019-12-17 10:50:00,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:00" (1/1) ... [2019-12-17 10:50:00,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:50:00,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:50:00,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:50:00,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:50:00,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:00" (1/1) ... [2019-12-17 10:50:00,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:00" (1/1) ... [2019-12-17 10:50:00,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:00" (1/1) ... [2019-12-17 10:50:00,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:00" (1/1) ... [2019-12-17 10:50:00,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:00" (1/1) ... [2019-12-17 10:50:00,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:00" (1/1) ... [2019-12-17 10:50:00,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:00" (1/1) ... [2019-12-17 10:50:00,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:50:00,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:50:00,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:50:00,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:50:00,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:50:00,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-17 10:50:00,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:50:00,310 INFO L130 BoogieDeclarations]: Found specification of procedure dec [2019-12-17 10:50:00,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dec [2019-12-17 10:50:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:50:00,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:50:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-17 10:50:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:50:00,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-17 10:50:00,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:50:00,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:50:00,313 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-17 10:50:00,632 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:50:00,633 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-17 10:50:00,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:50:00 BoogieIcfgContainer [2019-12-17 10:50:00,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:50:00,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:50:00,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:50:00,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:50:00,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:49:59" (1/3) ... [2019-12-17 10:50:00,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f3f52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:50:00, skipping insertion in model container [2019-12-17 10:50:00,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:50:00" (2/3) ... [2019-12-17 10:50:00,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67f3f52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:50:00, skipping insertion in model container [2019-12-17 10:50:00,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:50:00" (3/3) ... [2019-12-17 10:50:00,643 INFO L109 eAbstractionObserver]: Analyzing ICFG pthreadExitSafe.c [2019-12-17 10:50:00,653 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:50:00,654 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:50:00,661 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-17 10:50:00,662 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:50:00,689 WARN L315 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,690 WARN L315 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,690 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,690 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,690 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,691 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,691 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,691 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,691 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,692 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,692 WARN L315 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,692 WARN L315 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,692 WARN L315 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,693 WARN L315 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,693 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,693 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,694 WARN L315 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,694 WARN L315 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,694 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,694 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,694 WARN L315 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,695 WARN L315 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,699 WARN L315 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,699 WARN L315 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,699 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,700 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,700 WARN L315 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,700 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,700 WARN L315 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,700 WARN L315 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:50:00,724 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-12-17 10:50:00,747 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:50:00,747 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:50:00,747 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:50:00,747 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:50:00,747 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:50:00,748 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:50:00,748 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:50:00,748 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:50:00,766 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 43 transitions [2019-12-17 10:50:00,769 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 43 transitions [2019-12-17 10:50:00,819 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2019-12-17 10:50:00,819 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:50:00,826 INFO L76 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs. 6/47 useless extension candidates. Maximal degree in co-relation 19. Up to 2 conditions per place. [2019-12-17 10:50:00,828 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 47 places, 43 transitions [2019-12-17 10:50:00,846 INFO L130 PetriNetUnfolder]: 0/42 cut-off events. [2019-12-17 10:50:00,846 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:50:00,847 INFO L76 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs. 6/47 useless extension candidates. Maximal degree in co-relation 19. Up to 2 conditions per place. [2019-12-17 10:50:00,849 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 54 [2019-12-17 10:50:00,852 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-17 10:50:02,003 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-12-17 10:50:02,132 INFO L206 etLargeBlockEncoding]: Checked pairs total: 35 [2019-12-17 10:50:02,132 INFO L214 etLargeBlockEncoding]: Total number of compositions: 36 [2019-12-17 10:50:02,137 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 8 transitions [2019-12-17 10:50:02,143 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 9 states. [2019-12-17 10:50:02,145 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-12-17 10:50:02,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-17 10:50:02,151 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:50:02,152 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-17 10:50:02,153 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:50:02,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:50:02,159 INFO L82 PathProgramCache]: Analyzing trace with hash 464265332, now seen corresponding path program 1 times [2019-12-17 10:50:02,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:50:02,167 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530105653] [2019-12-17 10:50:02,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:50:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:50:02,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:50:02,513 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530105653] [2019-12-17 10:50:02,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-17 10:50:02,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-17 10:50:02,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329414538] [2019-12-17 10:50:02,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-17 10:50:02,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:50:02,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-17 10:50:02,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-17 10:50:02,542 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 7 states. [2019-12-17 10:50:02,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:50:02,683 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2019-12-17 10:50:02,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-17 10:50:02,684 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2019-12-17 10:50:02,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:50:02,695 INFO L225 Difference]: With dead ends: 11 [2019-12-17 10:50:02,695 INFO L226 Difference]: Without dead ends: 7 [2019-12-17 10:50:02,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-12-17 10:50:02,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-12-17 10:50:02,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-12-17 10:50:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-17 10:50:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2019-12-17 10:50:02,730 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2019-12-17 10:50:02,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:50:02,731 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2019-12-17 10:50:02,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-17 10:50:02,731 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2019-12-17 10:50:02,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-17 10:50:02,731 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:50:02,732 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-17 10:50:02,732 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:50:02,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:50:02,733 INFO L82 PathProgramCache]: Analyzing trace with hash 464005862, now seen corresponding path program 2 times [2019-12-17 10:50:02,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:50:02,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669750073] [2019-12-17 10:50:02,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:50:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:50:02,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:50:02,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669750073] [2019-12-17 10:50:02,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-17 10:50:02,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-17 10:50:02,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20998822] [2019-12-17 10:50:02,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-17 10:50:02,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:50:02,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-17 10:50:02,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-17 10:50:02,868 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand 7 states. [2019-12-17 10:50:02,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:50:02,962 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2019-12-17 10:50:02,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-17 10:50:02,963 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 6 [2019-12-17 10:50:02,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:50:02,963 INFO L225 Difference]: With dead ends: 6 [2019-12-17 10:50:02,963 INFO L226 Difference]: Without dead ends: 0 [2019-12-17 10:50:02,964 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-12-17 10:50:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-17 10:50:02,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-17 10:50:02,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-17 10:50:02,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-17 10:50:02,965 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-12-17 10:50:02,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:50:02,966 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-17 10:50:02,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-17 10:50:02,966 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-17 10:50:02,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-17 10:50:02,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:50:02 BasicIcfg [2019-12-17 10:50:02,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:50:02,973 INFO L168 Benchmark]: Toolchain (without parser) took 3143.21 ms. Allocated memory was 145.2 MB in the beginning and 248.0 MB in the end (delta: 102.8 MB). Free memory was 101.8 MB in the beginning and 213.5 MB in the end (delta: -111.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-17 10:50:02,974 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-17 10:50:02,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.80 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.4 MB in the beginning and 180.2 MB in the end (delta: -78.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:02,976 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.71 ms. Allocated memory is still 202.9 MB. Free memory was 180.2 MB in the beginning and 178.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:02,977 INFO L168 Benchmark]: Boogie Preprocessor took 20.85 ms. Allocated memory is still 202.9 MB. Free memory was 178.8 MB in the beginning and 177.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:02,978 INFO L168 Benchmark]: RCFGBuilder took 386.68 ms. Allocated memory is still 202.9 MB. Free memory was 177.5 MB in the beginning and 159.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-12-17 10:50:02,979 INFO L168 Benchmark]: TraceAbstraction took 2336.21 ms. Allocated memory was 202.9 MB in the beginning and 248.0 MB in the end (delta: 45.1 MB). Free memory was 159.1 MB in the beginning and 213.5 MB in the end (delta: -54.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-17 10:50:02,984 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 356.80 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.4 MB in the beginning and 180.2 MB in the end (delta: -78.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.71 ms. Allocated memory is still 202.9 MB. Free memory was 180.2 MB in the beginning and 178.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.85 ms. Allocated memory is still 202.9 MB. Free memory was 178.8 MB in the beginning and 177.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 386.68 ms. Allocated memory is still 202.9 MB. Free memory was 177.5 MB in the beginning and 159.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2336.21 ms. Allocated memory was 202.9 MB in the beginning and 248.0 MB in the end (delta: 45.1 MB). Free memory was 159.1 MB in the beginning and 213.5 MB in the end (delta: -54.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.3s, 47 ProgramPointsBefore, 11 ProgramPointsAfterwards, 43 TransitionsBefore, 8 TransitionsAfterwards, 54 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 10 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 26 VarBasedMoverChecksPositive, 2 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 2 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 35 CheckedPairsTotal, 36 TotalNumberOfCompositions - PositiveResult [Line: 29]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 58 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 665 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...