/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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 08:41:58,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 08:41:58,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 08:41:58,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 08:41:58,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 08:41:58,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 08:41:58,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 08:41:58,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 08:41:58,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 08:41:58,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 08:41:58,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 08:41:58,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 08:41:58,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 08:41:58,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 08:41:58,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 08:41:58,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 08:41:58,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 08:41:58,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 08:41:58,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 08:41:58,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 08:41:58,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 08:41:58,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 08:41:58,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 08:41:58,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 08:41:58,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 08:41:58,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 08:41:58,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 08:41:58,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 08:41:58,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 08:41:58,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 08:41:58,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 08:41:58,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 08:41:58,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 08:41:58,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 08:41:58,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 08:41:58,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 08:41:58,157 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-27 08:41:58,171 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 08:41:58,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 08:41:58,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 08:41:58,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 08:41:58,173 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 08:41:58,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 08:41:58,173 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 08:41:58,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 08:41:58,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 08:41:58,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 08:41:58,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 08:41:58,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 08:41:58,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 08:41:58,175 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 08:41:58,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 08:41:58,175 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 08:41:58,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 08:41:58,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 08:41:58,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 08:41:58,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 08:41:58,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 08:41:58,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 08:41:58,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 08:41:58,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 08:41:58,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 08:41:58,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 08:41:58,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 08:41:58,178 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 08:41:58,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 08:41:58,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 08:41:58,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 08:41:58,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 08:41:58,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 08:41:58,454 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 08:41:58,455 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 08:41:58,456 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2019-12-27 08:41:58,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba11b286/d9d1dae22cd342d9888079243e15584c/FLAGbd2f5326b [2019-12-27 08:41:59,069 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 08:41:59,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-1.i [2019-12-27 08:41:59,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba11b286/d9d1dae22cd342d9888079243e15584c/FLAGbd2f5326b [2019-12-27 08:41:59,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba11b286/d9d1dae22cd342d9888079243e15584c [2019-12-27 08:41:59,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 08:41:59,375 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 08:41:59,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 08:41:59,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 08:41:59,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 08:41:59,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:41:59" (1/1) ... [2019-12-27 08:41:59,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c07316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:41:59, skipping insertion in model container [2019-12-27 08:41:59,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:41:59" (1/1) ... [2019-12-27 08:41:59,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 08:41:59,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 08:41:59,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:41:59,893 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 08:41:59,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:42:00,031 INFO L208 MainTranslator]: Completed translation [2019-12-27 08:42:00,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:42:00 WrapperNode [2019-12-27 08:42:00,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 08:42:00,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 08:42:00,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 08:42:00,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 08:42:00,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:42:00" (1/1) ... [2019-12-27 08:42:00,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:42:00" (1/1) ... [2019-12-27 08:42:00,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 08:42:00,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 08:42:00,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 08:42:00,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 08:42:00,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:42:00" (1/1) ... [2019-12-27 08:42:00,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:42:00" (1/1) ... [2019-12-27 08:42:00,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:42:00" (1/1) ... [2019-12-27 08:42:00,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:42:00" (1/1) ... [2019-12-27 08:42:00,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:42:00" (1/1) ... [2019-12-27 08:42:00,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:42:00" (1/1) ... [2019-12-27 08:42:00,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:42:00" (1/1) ... [2019-12-27 08:42:00,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 08:42:00,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 08:42:00,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 08:42:00,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 08:42:00,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:42:00" (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 [2019-12-27 08:42:00,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 08:42:00,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 08:42:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2019-12-27 08:42:00,175 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2019-12-27 08:42:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 08:42:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 08:42:00,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 08:42:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 08:42:00,176 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2019-12-27 08:42:00,176 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2019-12-27 08:42:00,178 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 08:42:00,371 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_take_read_lock_returnLabel [2019-12-27 08:42:00,375 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_read_lock_returnLabel [2019-12-27 08:42:00,552 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_take_write_lock_returnLabel [2019-12-27 08:42:00,567 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 08:42:00,568 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-27 08:42:00,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:42:00 BoogieIcfgContainer [2019-12-27 08:42:00,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 08:42:00,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 08:42:00,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 08:42:00,576 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 08:42:00,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 08:41:59" (1/3) ... [2019-12-27 08:42:00,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45dfda18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:42:00, skipping insertion in model container [2019-12-27 08:42:00,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:42:00" (2/3) ... [2019-12-27 08:42:00,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45dfda18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:42:00, skipping insertion in model container [2019-12-27 08:42:00,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:42:00" (3/3) ... [2019-12-27 08:42:00,580 INFO L109 eAbstractionObserver]: Analyzing ICFG read_write_lock-1.i [2019-12-27 08:42:00,590 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 08:42:00,590 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 08:42:00,598 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 08:42:00,599 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 08:42:00,629 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,629 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,630 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,630 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,631 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,631 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,631 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,632 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,632 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,633 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,633 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,633 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,633 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,634 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,634 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,635 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,635 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,636 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,636 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,636 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,637 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,637 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,638 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,638 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,638 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,639 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,639 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,639 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,640 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,640 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,644 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,644 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,645 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,645 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,645 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork0_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,657 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,657 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,658 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,658 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,669 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,670 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,670 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,671 WARN L315 ript$VariableManager]: TermVariabe |readerThread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,671 WARN L315 ript$VariableManager]: TermVariabe readerThread1of1ForFork2_~l~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,674 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,674 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,674 WARN L315 ript$VariableManager]: TermVariabe |writerThread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,675 WARN L315 ript$VariableManager]: TermVariabe writerThread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:42:00,717 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 08:42:00,738 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:42:00,738 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:42:00,738 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:42:00,739 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:42:00,739 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:42:00,739 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:42:00,739 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:42:00,739 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:42:00,753 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 95 places, 96 transitions [2019-12-27 08:42:02,551 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 22597 states. [2019-12-27 08:42:02,554 INFO L276 IsEmpty]: Start isEmpty. Operand 22597 states. [2019-12-27 08:42:02,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-27 08:42:02,565 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:42:02,566 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:42:02,566 INFO L410 AbstractCegarLoop]: === Iteration 1 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:42:02,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:42:02,572 INFO L82 PathProgramCache]: Analyzing trace with hash 171064816, now seen corresponding path program 1 times [2019-12-27 08:42:02,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:42:02,582 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516243989] [2019-12-27 08:42:02,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:42:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:42:02,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:42:02,831 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516243989] [2019-12-27 08:42:02,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:42:02,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 08:42:02,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418805322] [2019-12-27 08:42:02,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 08:42:02,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:42:02,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 08:42:02,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 08:42:02,860 INFO L87 Difference]: Start difference. First operand 22597 states. Second operand 4 states. [2019-12-27 08:42:03,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:42:03,934 INFO L93 Difference]: Finished difference Result 53211 states and 199743 transitions. [2019-12-27 08:42:03,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 08:42:03,939 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-27 08:42:03,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:42:05,465 INFO L225 Difference]: With dead ends: 53211 [2019-12-27 08:42:05,465 INFO L226 Difference]: Without dead ends: 38181 [2019-12-27 08:42:05,468 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 08:42:05,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38181 states. [2019-12-27 08:42:06,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38181 to 20682. [2019-12-27 08:42:06,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20682 states. [2019-12-27 08:42:06,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20682 states to 20682 states and 79026 transitions. [2019-12-27 08:42:06,929 INFO L78 Accepts]: Start accepts. Automaton has 20682 states and 79026 transitions. Word has length 24 [2019-12-27 08:42:06,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:42:06,930 INFO L462 AbstractCegarLoop]: Abstraction has 20682 states and 79026 transitions. [2019-12-27 08:42:06,930 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 08:42:06,930 INFO L276 IsEmpty]: Start isEmpty. Operand 20682 states and 79026 transitions. [2019-12-27 08:42:06,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-27 08:42:06,934 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:42:06,934 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:42:06,935 INFO L410 AbstractCegarLoop]: === Iteration 2 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:42:06,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:42:06,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1185087953, now seen corresponding path program 1 times [2019-12-27 08:42:06,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:42:06,936 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834536002] [2019-12-27 08:42:06,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:42:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:42:07,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:42:07,099 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834536002] [2019-12-27 08:42:07,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:42:07,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 08:42:07,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957493445] [2019-12-27 08:42:07,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 08:42:07,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:42:07,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 08:42:07,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 08:42:07,104 INFO L87 Difference]: Start difference. First operand 20682 states and 79026 transitions. Second operand 4 states. [2019-12-27 08:42:07,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:42:07,859 INFO L93 Difference]: Finished difference Result 34710 states and 123713 transitions. [2019-12-27 08:42:07,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 08:42:07,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-12-27 08:42:07,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:42:08,014 INFO L225 Difference]: With dead ends: 34710 [2019-12-27 08:42:08,015 INFO L226 Difference]: Without dead ends: 34350 [2019-12-27 08:42:08,016 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 08:42:08,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34350 states. [2019-12-27 08:42:09,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34350 to 22665. [2019-12-27 08:42:09,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22665 states. [2019-12-27 08:42:09,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22665 states to 22665 states and 81887 transitions. [2019-12-27 08:42:09,957 INFO L78 Accepts]: Start accepts. Automaton has 22665 states and 81887 transitions. Word has length 26 [2019-12-27 08:42:09,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:42:09,958 INFO L462 AbstractCegarLoop]: Abstraction has 22665 states and 81887 transitions. [2019-12-27 08:42:09,958 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 08:42:09,958 INFO L276 IsEmpty]: Start isEmpty. Operand 22665 states and 81887 transitions. [2019-12-27 08:42:09,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-27 08:42:09,963 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:42:09,963 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:42:09,963 INFO L410 AbstractCegarLoop]: === Iteration 3 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:42:09,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:42:09,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1682289927, now seen corresponding path program 2 times [2019-12-27 08:42:09,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:42:09,965 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720984953] [2019-12-27 08:42:09,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:42:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:42:10,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:42:10,060 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720984953] [2019-12-27 08:42:10,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:42:10,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:42:10,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818600468] [2019-12-27 08:42:10,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:42:10,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:42:10,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:42:10,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:42:10,062 INFO L87 Difference]: Start difference. First operand 22665 states and 81887 transitions. Second operand 3 states. [2019-12-27 08:42:10,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:42:10,148 INFO L93 Difference]: Finished difference Result 13473 states and 45020 transitions. [2019-12-27 08:42:10,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:42:10,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-27 08:42:10,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:42:10,196 INFO L225 Difference]: With dead ends: 13473 [2019-12-27 08:42:10,196 INFO L226 Difference]: Without dead ends: 12993 [2019-12-27 08:42:10,387 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:42:10,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12993 states. [2019-12-27 08:42:10,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12993 to 12993. [2019-12-27 08:42:10,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12993 states. [2019-12-27 08:42:10,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12993 states to 12993 states and 43428 transitions. [2019-12-27 08:42:10,741 INFO L78 Accepts]: Start accepts. Automaton has 12993 states and 43428 transitions. Word has length 26 [2019-12-27 08:42:10,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:42:10,741 INFO L462 AbstractCegarLoop]: Abstraction has 12993 states and 43428 transitions. [2019-12-27 08:42:10,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:42:10,743 INFO L276 IsEmpty]: Start isEmpty. Operand 12993 states and 43428 transitions. [2019-12-27 08:42:10,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-27 08:42:10,746 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:42:10,746 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:42:10,747 INFO L410 AbstractCegarLoop]: === Iteration 4 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:42:10,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:42:10,747 INFO L82 PathProgramCache]: Analyzing trace with hash 955087454, now seen corresponding path program 1 times [2019-12-27 08:42:10,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:42:10,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449044609] [2019-12-27 08:42:10,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:42:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:42:10,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:42:10,828 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449044609] [2019-12-27 08:42:10,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:42:10,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 08:42:10,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516543014] [2019-12-27 08:42:10,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 08:42:10,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:42:10,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 08:42:10,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 08:42:10,830 INFO L87 Difference]: Start difference. First operand 12993 states and 43428 transitions. Second operand 4 states. [2019-12-27 08:42:10,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:42:10,963 INFO L93 Difference]: Finished difference Result 14325 states and 47561 transitions. [2019-12-27 08:42:10,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 08:42:10,964 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-12-27 08:42:10,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:42:10,987 INFO L225 Difference]: With dead ends: 14325 [2019-12-27 08:42:10,987 INFO L226 Difference]: Without dead ends: 8832 [2019-12-27 08:42:10,988 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 08:42:11,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8832 states. [2019-12-27 08:42:11,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8832 to 7335. [2019-12-27 08:42:11,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7335 states. [2019-12-27 08:42:11,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7335 states to 7335 states and 23841 transitions. [2019-12-27 08:42:11,198 INFO L78 Accepts]: Start accepts. Automaton has 7335 states and 23841 transitions. Word has length 30 [2019-12-27 08:42:11,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:42:11,200 INFO L462 AbstractCegarLoop]: Abstraction has 7335 states and 23841 transitions. [2019-12-27 08:42:11,200 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 08:42:11,200 INFO L276 IsEmpty]: Start isEmpty. Operand 7335 states and 23841 transitions. [2019-12-27 08:42:11,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-27 08:42:11,206 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:42:11,206 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:42:11,206 INFO L410 AbstractCegarLoop]: === Iteration 5 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:42:11,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:42:11,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1096397296, now seen corresponding path program 1 times [2019-12-27 08:42:11,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:42:11,207 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853025222] [2019-12-27 08:42:11,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:42:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:42:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:42:11,499 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853025222] [2019-12-27 08:42:11,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:42:11,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 08:42:11,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388669584] [2019-12-27 08:42:11,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 08:42:11,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:42:11,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 08:42:11,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 08:42:11,502 INFO L87 Difference]: Start difference. First operand 7335 states and 23841 transitions. Second operand 5 states. [2019-12-27 08:42:11,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:42:11,593 INFO L93 Difference]: Finished difference Result 8559 states and 27435 transitions. [2019-12-27 08:42:11,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 08:42:11,597 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-12-27 08:42:11,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:42:11,616 INFO L225 Difference]: With dead ends: 8559 [2019-12-27 08:42:11,624 INFO L226 Difference]: Without dead ends: 7506 [2019-12-27 08:42:11,624 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 08:42:11,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7506 states. [2019-12-27 08:42:11,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7506 to 6930. [2019-12-27 08:42:11,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6930 states. [2019-12-27 08:42:11,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6930 states to 6930 states and 22389 transitions. [2019-12-27 08:42:11,829 INFO L78 Accepts]: Start accepts. Automaton has 6930 states and 22389 transitions. Word has length 38 [2019-12-27 08:42:11,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:42:11,831 INFO L462 AbstractCegarLoop]: Abstraction has 6930 states and 22389 transitions. [2019-12-27 08:42:11,831 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 08:42:11,831 INFO L276 IsEmpty]: Start isEmpty. Operand 6930 states and 22389 transitions. [2019-12-27 08:42:11,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-27 08:42:11,839 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:42:11,839 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:42:11,839 INFO L410 AbstractCegarLoop]: === Iteration 6 === [readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, readerErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:42:11,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:42:11,839 INFO L82 PathProgramCache]: Analyzing trace with hash -2090567524, now seen corresponding path program 2 times [2019-12-27 08:42:11,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:42:11,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959109952] [2019-12-27 08:42:11,840 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:42:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:42:11,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:42:11,943 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959109952] [2019-12-27 08:42:11,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:42:11,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 08:42:11,944 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047466105] [2019-12-27 08:42:11,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 08:42:11,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:42:11,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 08:42:11,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 08:42:11,945 INFO L87 Difference]: Start difference. First operand 6930 states and 22389 transitions. Second operand 5 states. [2019-12-27 08:42:11,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:42:11,980 INFO L93 Difference]: Finished difference Result 2034 states and 5309 transitions. [2019-12-27 08:42:11,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 08:42:11,981 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-12-27 08:42:11,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:42:11,982 INFO L225 Difference]: With dead ends: 2034 [2019-12-27 08:42:11,982 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 08:42:11,982 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 08:42:11,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 08:42:11,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 08:42:11,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 08:42:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 08:42:11,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2019-12-27 08:42:11,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:42:11,984 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 08:42:11,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 08:42:11,984 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 08:42:11,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 08:42:11,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 08:42:11 BasicIcfg [2019-12-27 08:42:11,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 08:42:11,996 INFO L168 Benchmark]: Toolchain (without parser) took 12620.04 ms. Allocated memory was 138.4 MB in the beginning and 933.8 MB in the end (delta: 795.3 MB). Free memory was 100.3 MB in the beginning and 420.9 MB in the end (delta: -320.6 MB). Peak memory consumption was 474.8 MB. Max. memory is 7.1 GB. [2019-12-27 08:42:11,998 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 08:42:12,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.12 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.1 MB in the beginning and 162.3 MB in the end (delta: -62.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-12-27 08:42:12,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.78 ms. Allocated memory is still 203.4 MB. Free memory was 162.3 MB in the beginning and 160.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 08:42:12,007 INFO L168 Benchmark]: Boogie Preprocessor took 25.43 ms. Allocated memory is still 203.4 MB. Free memory was 160.3 MB in the beginning and 158.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 08:42:12,008 INFO L168 Benchmark]: RCFGBuilder took 460.26 ms. Allocated memory is still 203.4 MB. Free memory was 158.3 MB in the beginning and 137.2 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-12-27 08:42:12,009 INFO L168 Benchmark]: TraceAbstraction took 11422.17 ms. Allocated memory was 203.4 MB in the beginning and 933.8 MB in the end (delta: 730.3 MB). Free memory was 136.5 MB in the beginning and 420.9 MB in the end (delta: -284.4 MB). Peak memory consumption was 446.0 MB. Max. memory is 7.1 GB. [2019-12-27 08:42:12,024 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 138.4 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.12 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.1 MB in the beginning and 162.3 MB in the end (delta: -62.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.78 ms. Allocated memory is still 203.4 MB. Free memory was 162.3 MB in the beginning and 160.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.43 ms. Allocated memory is still 203.4 MB. Free memory was 160.3 MB in the beginning and 158.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 460.26 ms. Allocated memory is still 203.4 MB. Free memory was 158.3 MB in the beginning and 137.2 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11422.17 ms. Allocated memory was 203.4 MB in the beginning and 933.8 MB in the end (delta: 730.3 MB). Free memory was 136.5 MB in the beginning and 420.9 MB in the end (delta: -284.4 MB). Peak memory consumption was 446.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: 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 3 procedures, 66 locations, 1 error locations. Result: SAFE, OverallTime: 11.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 799 SDtfs, 616 SDslu, 1001 SDs, 0 SdLazy, 166 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22665occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 31257 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 10808 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...