/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-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 04:24:12,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 04:24:12,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 04:24:12,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 04:24:12,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 04:24:12,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 04:24:12,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 04:24:12,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 04:24:12,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 04:24:12,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 04:24:12,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 04:24:12,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 04:24:12,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 04:24:12,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 04:24:12,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 04:24:12,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 04:24:12,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 04:24:12,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 04:24:12,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 04:24:12,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 04:24:12,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 04:24:12,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 04:24:12,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 04:24:12,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 04:24:12,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 04:24:12,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 04:24:12,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 04:24:12,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 04:24:12,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 04:24:12,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 04:24:12,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 04:24:12,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 04:24:12,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 04:24:12,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 04:24:12,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 04:24:12,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 04:24:12,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 04:24:12,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 04:24:12,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 04:24:12,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 04:24:12,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 04:24:12,362 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-MCR.epf [2019-12-28 04:24:12,390 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 04:24:12,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 04:24:12,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 04:24:12,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 04:24:12,393 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 04:24:12,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 04:24:12,394 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 04:24:12,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 04:24:12,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 04:24:12,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 04:24:12,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 04:24:12,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 04:24:12,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 04:24:12,395 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 04:24:12,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 04:24:12,395 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 04:24:12,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 04:24:12,396 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 04:24:12,396 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 04:24:12,396 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 04:24:12,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 04:24:12,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 04:24:12,397 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 04:24:12,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 04:24:12,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 04:24:12,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 04:24:12,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 04:24:12,398 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 04:24:12,398 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 04:24:12,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 04:24:12,398 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 04:24:12,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 04:24:12,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 04:24:12,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 04:24:12,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 04:24:12,718 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 04:24:12,719 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 04:24:12,720 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_tso.oepc.i [2019-12-28 04:24:12,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/308a86d8c/75079cdeca8d4ae983c51a5d6edc1666/FLAG7b659eb3b [2019-12-28 04:24:13,368 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 04:24:13,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_tso.oepc.i [2019-12-28 04:24:13,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/308a86d8c/75079cdeca8d4ae983c51a5d6edc1666/FLAG7b659eb3b [2019-12-28 04:24:13,638 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/308a86d8c/75079cdeca8d4ae983c51a5d6edc1666 [2019-12-28 04:24:13,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 04:24:13,652 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 04:24:13,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 04:24:13,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 04:24:13,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 04:24:13,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:24:13" (1/1) ... [2019-12-28 04:24:13,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8b6dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:13, skipping insertion in model container [2019-12-28 04:24:13,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:24:13" (1/1) ... [2019-12-28 04:24:13,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 04:24:13,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 04:24:14,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:24:14,197 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 04:24:14,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:24:14,339 INFO L208 MainTranslator]: Completed translation [2019-12-28 04:24:14,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:14 WrapperNode [2019-12-28 04:24:14,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 04:24:14,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 04:24:14,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 04:24:14,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 04:24:14,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:14" (1/1) ... [2019-12-28 04:24:14,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:14" (1/1) ... [2019-12-28 04:24:14,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 04:24:14,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 04:24:14,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 04:24:14,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 04:24:14,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:14" (1/1) ... [2019-12-28 04:24:14,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:14" (1/1) ... [2019-12-28 04:24:14,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:14" (1/1) ... [2019-12-28 04:24:14,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:14" (1/1) ... [2019-12-28 04:24:14,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:14" (1/1) ... [2019-12-28 04:24:14,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:14" (1/1) ... [2019-12-28 04:24:14,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:14" (1/1) ... [2019-12-28 04:24:14,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 04:24:14,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 04:24:14,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 04:24:14,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 04:24:14,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:14" (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 [2019-12-28 04:24:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 04:24:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 04:24:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 04:24:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 04:24:14,488 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 04:24:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 04:24:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 04:24:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 04:24:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 04:24:14,489 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 04:24:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 04:24:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 04:24:14,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 04:24:14,492 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 04:24:14,878 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 04:24:14,879 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 04:24:14,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:24:14 BoogieIcfgContainer [2019-12-28 04:24:14,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 04:24:14,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 04:24:14,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 04:24:14,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 04:24:14,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:24:13" (1/3) ... [2019-12-28 04:24:14,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af31b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:24:14, skipping insertion in model container [2019-12-28 04:24:14,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:24:14" (2/3) ... [2019-12-28 04:24:14,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af31b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:24:14, skipping insertion in model container [2019-12-28 04:24:14,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:24:14" (3/3) ... [2019-12-28 04:24:14,890 INFO L109 eAbstractionObserver]: Analyzing ICFG safe007_tso.oepc.i [2019-12-28 04:24:14,901 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 04:24:14,901 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 04:24:14,909 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 04:24:14,910 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 04:24:14,945 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,945 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,945 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,948 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,948 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,949 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,949 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,949 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,949 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,950 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,951 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,951 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,951 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,952 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,952 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,952 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,952 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,954 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,961 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,962 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,962 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,962 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,978 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,979 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,979 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,979 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,983 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,983 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,983 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:14,984 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:24:15,000 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 04:24:15,022 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 04:24:15,023 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 04:24:15,023 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 04:24:15,023 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 04:24:15,023 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 04:24:15,024 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 04:24:15,024 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 04:24:15,024 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 04:24:15,036 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 64 places, 55 transitions [2019-12-28 04:24:15,118 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1249 states. [2019-12-28 04:24:15,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states. [2019-12-28 04:24:15,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 04:24:15,137 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:24:15,138 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] [2019-12-28 04:24:15,139 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:24:15,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:24:15,145 INFO L82 PathProgramCache]: Analyzing trace with hash 100870604, now seen corresponding path program 1 times [2019-12-28 04:24:15,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:24:15,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29241158] [2019-12-28 04:24:15,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:24:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:24:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:24:15,540 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29241158] [2019-12-28 04:24:15,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:24:15,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 04:24:15,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1620803189] [2019-12-28 04:24:15,544 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:24:15,553 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:24:15,576 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 33 states and 32 transitions. [2019-12-28 04:24:15,577 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:24:15,581 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:24:15,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 04:24:15,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:24:15,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 04:24:15,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 04:24:15,601 INFO L87 Difference]: Start difference. First operand 1249 states. Second operand 4 states. [2019-12-28 04:24:15,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:24:15,706 INFO L93 Difference]: Finished difference Result 1296 states and 3962 transitions. [2019-12-28 04:24:15,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 04:24:15,708 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-12-28 04:24:15,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:24:15,746 INFO L225 Difference]: With dead ends: 1296 [2019-12-28 04:24:15,747 INFO L226 Difference]: Without dead ends: 602 [2019-12-28 04:24:15,748 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 [2019-12-28 04:24:15,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2019-12-28 04:24:15,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2019-12-28 04:24:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2019-12-28 04:24:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 1777 transitions. [2019-12-28 04:24:15,861 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 1777 transitions. Word has length 32 [2019-12-28 04:24:15,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:24:15,862 INFO L462 AbstractCegarLoop]: Abstraction has 602 states and 1777 transitions. [2019-12-28 04:24:15,863 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 04:24:15,863 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1777 transitions. [2019-12-28 04:24:15,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:24:15,870 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:24:15,870 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] [2019-12-28 04:24:15,871 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:24:15,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:24:15,872 INFO L82 PathProgramCache]: Analyzing trace with hash -471697472, now seen corresponding path program 1 times [2019-12-28 04:24:15,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:24:15,873 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680333469] [2019-12-28 04:24:15,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:24:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:24:16,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:24:16,014 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680333469] [2019-12-28 04:24:16,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:24:16,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 04:24:16,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [819043207] [2019-12-28 04:24:16,016 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:24:16,023 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:24:16,029 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 42 states and 49 transitions. [2019-12-28 04:24:16,029 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:24:16,032 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:24:16,042 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 04:24:16,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:24:16,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 04:24:16,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:24:16,044 INFO L87 Difference]: Start difference. First operand 602 states and 1777 transitions. Second operand 5 states. [2019-12-28 04:24:16,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:24:16,131 INFO L93 Difference]: Finished difference Result 602 states and 1696 transitions. [2019-12-28 04:24:16,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 04:24:16,133 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-28 04:24:16,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:24:16,142 INFO L225 Difference]: With dead ends: 602 [2019-12-28 04:24:16,142 INFO L226 Difference]: Without dead ends: 539 [2019-12-28 04:24:16,143 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:24:16,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-12-28 04:24:16,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2019-12-28 04:24:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2019-12-28 04:24:16,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 1546 transitions. [2019-12-28 04:24:16,197 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 1546 transitions. Word has length 33 [2019-12-28 04:24:16,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:24:16,198 INFO L462 AbstractCegarLoop]: Abstraction has 539 states and 1546 transitions. [2019-12-28 04:24:16,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 04:24:16,198 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1546 transitions. [2019-12-28 04:24:16,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:24:16,200 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:24:16,200 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] [2019-12-28 04:24:16,200 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:24:16,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:24:16,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1145104615, now seen corresponding path program 1 times [2019-12-28 04:24:16,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:24:16,202 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014634858] [2019-12-28 04:24:16,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:24:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:24:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:24:16,325 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014634858] [2019-12-28 04:24:16,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:24:16,325 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 04:24:16,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1406082484] [2019-12-28 04:24:16,326 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:24:16,329 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:24:16,335 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 47 states and 58 transitions. [2019-12-28 04:24:16,335 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:24:16,336 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:24:16,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 04:24:16,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:24:16,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 04:24:16,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-28 04:24:16,337 INFO L87 Difference]: Start difference. First operand 539 states and 1546 transitions. Second operand 6 states. [2019-12-28 04:24:16,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:24:16,427 INFO L93 Difference]: Finished difference Result 404 states and 1060 transitions. [2019-12-28 04:24:16,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:24:16,427 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2019-12-28 04:24:16,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:24:16,430 INFO L225 Difference]: With dead ends: 404 [2019-12-28 04:24:16,431 INFO L226 Difference]: Without dead ends: 350 [2019-12-28 04:24:16,431 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-28 04:24:16,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-12-28 04:24:16,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2019-12-28 04:24:16,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2019-12-28 04:24:16,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 916 transitions. [2019-12-28 04:24:16,443 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 916 transitions. Word has length 34 [2019-12-28 04:24:16,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:24:16,444 INFO L462 AbstractCegarLoop]: Abstraction has 350 states and 916 transitions. [2019-12-28 04:24:16,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 04:24:16,444 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 916 transitions. [2019-12-28 04:24:16,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 04:24:16,445 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:24:16,446 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] [2019-12-28 04:24:16,446 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:24:16,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:24:16,446 INFO L82 PathProgramCache]: Analyzing trace with hash 608973843, now seen corresponding path program 1 times [2019-12-28 04:24:16,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:24:16,447 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236537484] [2019-12-28 04:24:16,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:24:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:24:16,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:24:16,662 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236537484] [2019-12-28 04:24:16,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:24:16,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:24:16,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1164899945] [2019-12-28 04:24:16,665 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:24:16,671 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:24:16,680 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 48 states and 59 transitions. [2019-12-28 04:24:16,680 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:24:16,681 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:24:16,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:24:16,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:24:16,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:24:16,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:24:16,682 INFO L87 Difference]: Start difference. First operand 350 states and 916 transitions. Second operand 8 states. [2019-12-28 04:24:16,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:24:16,803 INFO L93 Difference]: Finished difference Result 521 states and 1396 transitions. [2019-12-28 04:24:16,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:24:16,804 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-28 04:24:16,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:24:16,806 INFO L225 Difference]: With dead ends: 521 [2019-12-28 04:24:16,807 INFO L226 Difference]: Without dead ends: 278 [2019-12-28 04:24:16,808 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:24:16,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2019-12-28 04:24:16,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2019-12-28 04:24:16,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-12-28 04:24:16,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 727 transitions. [2019-12-28 04:24:16,835 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 727 transitions. Word has length 35 [2019-12-28 04:24:16,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:24:16,836 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 727 transitions. [2019-12-28 04:24:16,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:24:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 727 transitions. [2019-12-28 04:24:16,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 04:24:16,838 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:24:16,839 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] [2019-12-28 04:24:16,839 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:24:16,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:24:16,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1362281377, now seen corresponding path program 2 times [2019-12-28 04:24:16,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:24:16,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025486758] [2019-12-28 04:24:16,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:24:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:24:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:24:17,041 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025486758] [2019-12-28 04:24:17,041 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:24:17,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:24:17,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1303755673] [2019-12-28 04:24:17,042 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:24:17,048 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:24:17,061 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 40 states and 43 transitions. [2019-12-28 04:24:17,063 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:24:17,064 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:24:17,064 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:24:17,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:24:17,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:24:17,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:24:17,068 INFO L87 Difference]: Start difference. First operand 278 states and 727 transitions. Second operand 8 states. [2019-12-28 04:24:17,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:24:17,223 INFO L93 Difference]: Finished difference Result 440 states and 1186 transitions. [2019-12-28 04:24:17,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:24:17,224 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-28 04:24:17,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:24:17,227 INFO L225 Difference]: With dead ends: 440 [2019-12-28 04:24:17,228 INFO L226 Difference]: Without dead ends: 254 [2019-12-28 04:24:17,228 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:24:17,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-12-28 04:24:17,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 254. [2019-12-28 04:24:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2019-12-28 04:24:17,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 673 transitions. [2019-12-28 04:24:17,237 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 673 transitions. Word has length 35 [2019-12-28 04:24:17,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:24:17,238 INFO L462 AbstractCegarLoop]: Abstraction has 254 states and 673 transitions. [2019-12-28 04:24:17,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:24:17,238 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 673 transitions. [2019-12-28 04:24:17,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-28 04:24:17,242 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:24:17,242 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] [2019-12-28 04:24:17,242 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:24:17,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:24:17,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1957742869, now seen corresponding path program 3 times [2019-12-28 04:24:17,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:24:17,244 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159815029] [2019-12-28 04:24:17,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:24:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:24:17,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 04:24:17,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159815029] [2019-12-28 04:24:17,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:24:17,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:24:17,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [62608150] [2019-12-28 04:24:17,417 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:24:17,421 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:24:17,427 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 36 states and 35 transitions. [2019-12-28 04:24:17,427 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:24:17,428 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:24:17,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:24:17,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:24:17,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:24:17,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:24:17,429 INFO L87 Difference]: Start difference. First operand 254 states and 673 transitions. Second operand 8 states. [2019-12-28 04:24:17,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:24:17,523 INFO L93 Difference]: Finished difference Result 200 states and 511 transitions. [2019-12-28 04:24:17,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:24:17,523 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-12-28 04:24:17,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:24:17,523 INFO L225 Difference]: With dead ends: 200 [2019-12-28 04:24:17,524 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 04:24:17,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-28 04:24:17,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 04:24:17,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 04:24:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 04:24:17,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 04:24:17,525 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2019-12-28 04:24:17,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:24:17,525 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 04:24:17,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:24:17,526 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 04:24:17,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 04:24:17,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 04:24:17 BasicIcfg [2019-12-28 04:24:17,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 04:24:17,539 INFO L168 Benchmark]: Toolchain (without parser) took 3885.09 ms. Allocated memory was 144.7 MB in the beginning and 251.1 MB in the end (delta: 106.4 MB). Free memory was 100.1 MB in the beginning and 131.5 MB in the end (delta: -31.4 MB). Peak memory consumption was 75.0 MB. Max. memory is 7.1 GB. [2019-12-28 04:24:17,540 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-28 04:24:17,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.99 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 99.7 MB in the beginning and 158.9 MB in the end (delta: -59.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-12-28 04:24:17,548 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.05 ms. Allocated memory is still 201.9 MB. Free memory was 158.9 MB in the beginning and 156.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-12-28 04:24:17,549 INFO L168 Benchmark]: Boogie Preprocessor took 27.82 ms. Allocated memory is still 201.9 MB. Free memory was 156.7 MB in the beginning and 155.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-28 04:24:17,550 INFO L168 Benchmark]: RCFGBuilder took 456.63 ms. Allocated memory is still 201.9 MB. Free memory was 155.3 MB in the beginning and 134.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-12-28 04:24:17,551 INFO L168 Benchmark]: TraceAbstraction took 2652.27 ms. Allocated memory was 201.9 MB in the beginning and 251.1 MB in the end (delta: 49.3 MB). Free memory was 133.9 MB in the beginning and 131.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB. [2019-12-28 04:24:17,561 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.99 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 99.7 MB in the beginning and 158.9 MB in the end (delta: -59.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 55.05 ms. Allocated memory is still 201.9 MB. Free memory was 158.9 MB in the beginning and 156.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.82 ms. Allocated memory is still 201.9 MB. Free memory was 156.7 MB in the beginning and 155.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 456.63 ms. Allocated memory is still 201.9 MB. Free memory was 155.3 MB in the beginning and 134.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2652.27 ms. Allocated memory was 201.9 MB in the beginning and 251.1 MB in the end (delta: 49.3 MB). Free memory was 133.9 MB in the beginning and 131.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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 4 procedures, 55 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 284 SDtfs, 367 SDslu, 764 SDs, 0 SdLazy, 113 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1249occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 21102 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...