/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/safe018_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 04:49:42,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 04:49:42,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 04:49:42,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 04:49:42,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 04:49:42,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 04:49:42,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 04:49:42,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 04:49:42,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 04:49:42,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 04:49:42,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 04:49:42,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 04:49:42,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 04:49:42,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 04:49:42,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 04:49:42,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 04:49:42,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 04:49:42,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 04:49:42,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 04:49:42,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 04:49:42,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 04:49:42,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 04:49:42,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 04:49:42,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 04:49:42,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 04:49:42,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 04:49:42,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 04:49:42,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 04:49:42,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 04:49:42,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 04:49:42,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 04:49:42,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 04:49:42,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 04:49:42,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 04:49:42,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 04:49:42,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 04:49:42,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 04:49:42,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 04:49:42,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 04:49:42,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 04:49:42,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 04:49:42,361 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 04:49:42,375 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 04:49:42,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 04:49:42,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 04:49:42,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 04:49:42,377 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 04:49:42,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 04:49:42,378 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 04:49:42,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 04:49:42,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 04:49:42,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 04:49:42,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 04:49:42,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 04:49:42,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 04:49:42,379 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 04:49:42,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 04:49:42,380 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 04:49:42,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 04:49:42,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 04:49:42,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 04:49:42,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 04:49:42,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 04:49:42,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 04:49:42,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 04:49:42,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 04:49:42,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 04:49:42,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 04:49:42,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 04:49:42,382 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 04:49:42,382 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 04:49:42,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 04:49:42,383 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 04:49:42,383 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 04:49:42,676 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 04:49:42,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 04:49:42,695 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 04:49:42,696 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 04:49:42,696 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 04:49:42,697 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc.i [2019-12-28 04:49:42,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0c2a28e6/332f6f32e97842e9933782767e45a369/FLAG2223c104f [2019-12-28 04:49:43,365 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 04:49:43,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_pso.oepc.i [2019-12-28 04:49:43,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0c2a28e6/332f6f32e97842e9933782767e45a369/FLAG2223c104f [2019-12-28 04:49:43,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0c2a28e6/332f6f32e97842e9933782767e45a369 [2019-12-28 04:49:43,609 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 04:49:43,611 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 04:49:43,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 04:49:43,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 04:49:43,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 04:49:43,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:49:43" (1/1) ... [2019-12-28 04:49:43,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7607b533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:43, skipping insertion in model container [2019-12-28 04:49:43,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:49:43" (1/1) ... [2019-12-28 04:49:43,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 04:49:43,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 04:49:44,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:49:44,190 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 04:49:44,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 04:49:44,336 INFO L208 MainTranslator]: Completed translation [2019-12-28 04:49:44,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:44 WrapperNode [2019-12-28 04:49:44,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 04:49:44,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 04:49:44,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 04:49:44,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 04:49:44,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:44" (1/1) ... [2019-12-28 04:49:44,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:44" (1/1) ... [2019-12-28 04:49:44,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 04:49:44,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 04:49:44,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 04:49:44,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 04:49:44,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:44" (1/1) ... [2019-12-28 04:49:44,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:44" (1/1) ... [2019-12-28 04:49:44,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:44" (1/1) ... [2019-12-28 04:49:44,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:44" (1/1) ... [2019-12-28 04:49:44,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:44" (1/1) ... [2019-12-28 04:49:44,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:44" (1/1) ... [2019-12-28 04:49:44,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:44" (1/1) ... [2019-12-28 04:49:44,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 04:49:44,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 04:49:44,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 04:49:44,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 04:49:44,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:44" (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 04:49:44,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 04:49:44,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 04:49:44,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 04:49:44,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 04:49:44,479 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 04:49:44,480 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 04:49:44,480 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 04:49:44,480 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 04:49:44,480 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 04:49:44,481 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 04:49:44,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 04:49:44,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 04:49:44,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 04:49:44,483 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 04:49:44,852 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 04:49:44,852 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-28 04:49:44,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:49:44 BoogieIcfgContainer [2019-12-28 04:49:44,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 04:49:44,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 04:49:44,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 04:49:44,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 04:49:44,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:49:43" (1/3) ... [2019-12-28 04:49:44,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204b591a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:49:44, skipping insertion in model container [2019-12-28 04:49:44,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:44" (2/3) ... [2019-12-28 04:49:44,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204b591a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:49:44, skipping insertion in model container [2019-12-28 04:49:44,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:49:44" (3/3) ... [2019-12-28 04:49:44,862 INFO L109 eAbstractionObserver]: Analyzing ICFG safe018_pso.oepc.i [2019-12-28 04:49:44,872 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 04:49:44,872 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 04:49:44,879 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-28 04:49:44,881 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 04:49:44,910 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,910 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,911 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,911 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,912 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,912 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,912 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,913 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,913 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,913 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,913 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,914 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,914 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,915 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,915 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,915 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,915 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,916 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,920 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,920 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,921 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,921 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,927 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,927 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,928 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,928 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,931 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,931 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,931 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,932 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 04:49:44,944 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-28 04:49:44,962 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 04:49:44,962 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 04:49:44,962 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 04:49:44,962 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 04:49:44,962 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 04:49:44,962 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 04:49:44,963 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 04:49:44,963 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 04:49:44,973 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 63 places, 54 transitions [2019-12-28 04:49:45,067 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1248 states. [2019-12-28 04:49:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states. [2019-12-28 04:49:45,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-28 04:49:45,087 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:49:45,088 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] [2019-12-28 04:49:45,089 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:49:45,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:49:45,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1559723610, now seen corresponding path program 1 times [2019-12-28 04:49:45,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:49:45,109 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563592792] [2019-12-28 04:49:45,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:49:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:49:45,542 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 04:49:45,545 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563592792] [2019-12-28 04:49:45,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:49:45,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 04:49:45,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1596391966] [2019-12-28 04:49:45,550 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:49:45,562 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:49:45,594 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 32 states and 31 transitions. [2019-12-28 04:49:45,594 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:49:45,600 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:49:45,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 04:49:45,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:49:45,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 04:49:45,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 04:49:45,623 INFO L87 Difference]: Start difference. First operand 1248 states. Second operand 4 states. [2019-12-28 04:49:45,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:49:45,752 INFO L93 Difference]: Finished difference Result 1295 states and 3961 transitions. [2019-12-28 04:49:45,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-28 04:49:45,754 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2019-12-28 04:49:45,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:49:45,778 INFO L225 Difference]: With dead ends: 1295 [2019-12-28 04:49:45,778 INFO L226 Difference]: Without dead ends: 601 [2019-12-28 04:49:45,780 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:49:45,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2019-12-28 04:49:45,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 601. [2019-12-28 04:49:45,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2019-12-28 04:49:45,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1776 transitions. [2019-12-28 04:49:45,924 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1776 transitions. Word has length 31 [2019-12-28 04:49:45,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:49:45,926 INFO L462 AbstractCegarLoop]: Abstraction has 601 states and 1776 transitions. [2019-12-28 04:49:45,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 04:49:45,927 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1776 transitions. [2019-12-28 04:49:45,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-28 04:49:45,938 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:49:45,938 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 04:49:45,939 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:49:45,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:49:45,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1171273147, now seen corresponding path program 1 times [2019-12-28 04:49:45,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:49:45,940 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941863668] [2019-12-28 04:49:45,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:49:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:49:46,106 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 04:49:46,107 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941863668] [2019-12-28 04:49:46,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:49:46,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 04:49:46,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [146794690] [2019-12-28 04:49:46,108 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:49:46,114 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:49:46,119 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 37 states and 40 transitions. [2019-12-28 04:49:46,120 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:49:46,121 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:49:46,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 04:49:46,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:49:46,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 04:49:46,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 04:49:46,134 INFO L87 Difference]: Start difference. First operand 601 states and 1776 transitions. Second operand 5 states. [2019-12-28 04:49:46,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:49:46,232 INFO L93 Difference]: Finished difference Result 601 states and 1695 transitions. [2019-12-28 04:49:46,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-28 04:49:46,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-28 04:49:46,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:49:46,243 INFO L225 Difference]: With dead ends: 601 [2019-12-28 04:49:46,243 INFO L226 Difference]: Without dead ends: 538 [2019-12-28 04:49:46,244 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 04:49:46,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-12-28 04:49:46,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-12-28 04:49:46,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-12-28 04:49:46,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1545 transitions. [2019-12-28 04:49:46,288 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1545 transitions. Word has length 32 [2019-12-28 04:49:46,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:49:46,289 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1545 transitions. [2019-12-28 04:49:46,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 04:49:46,289 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1545 transitions. [2019-12-28 04:49:46,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-28 04:49:46,291 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:49:46,291 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 04:49:46,292 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:49:46,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:49:46,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1777429343, now seen corresponding path program 1 times [2019-12-28 04:49:46,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:49:46,293 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456418606] [2019-12-28 04:49:46,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:49:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:49:46,447 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 04:49:46,447 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456418606] [2019-12-28 04:49:46,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:49:46,448 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 04:49:46,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1337244540] [2019-12-28 04:49:46,448 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:49:46,452 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:49:46,458 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 38 states and 41 transitions. [2019-12-28 04:49:46,459 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:49:46,459 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:49:46,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 04:49:46,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:49:46,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 04:49:46,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-28 04:49:46,461 INFO L87 Difference]: Start difference. First operand 538 states and 1545 transitions. Second operand 6 states. [2019-12-28 04:49:46,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:49:46,556 INFO L93 Difference]: Finished difference Result 403 states and 1059 transitions. [2019-12-28 04:49:46,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:49:46,556 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-28 04:49:46,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:49:46,559 INFO L225 Difference]: With dead ends: 403 [2019-12-28 04:49:46,559 INFO L226 Difference]: Without dead ends: 349 [2019-12-28 04:49:46,560 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 04:49:46,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-12-28 04:49:46,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-12-28 04:49:46,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-12-28 04:49:46,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 915 transitions. [2019-12-28 04:49:46,573 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 915 transitions. Word has length 33 [2019-12-28 04:49:46,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:49:46,573 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 915 transitions. [2019-12-28 04:49:46,573 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 04:49:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 915 transitions. [2019-12-28 04:49:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:49:46,575 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:49:46,575 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 04:49:46,575 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:49:46,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:49:46,576 INFO L82 PathProgramCache]: Analyzing trace with hash -960362357, now seen corresponding path program 1 times [2019-12-28 04:49:46,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:49:46,576 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428899649] [2019-12-28 04:49:46,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:49:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:49:46,731 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 04:49:46,731 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428899649] [2019-12-28 04:49:46,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:49:46,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 04:49:46,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1030995332] [2019-12-28 04:49:46,732 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:49:46,736 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:49:46,743 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 39 states and 42 transitions. [2019-12-28 04:49:46,744 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:49:46,744 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:49:46,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 04:49:46,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:49:46,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 04:49:46,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 04:49:46,745 INFO L87 Difference]: Start difference. First operand 349 states and 915 transitions. Second operand 7 states. [2019-12-28 04:49:46,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:49:46,891 INFO L93 Difference]: Finished difference Result 556 states and 1479 transitions. [2019-12-28 04:49:46,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:49:46,893 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2019-12-28 04:49:46,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:49:46,896 INFO L225 Difference]: With dead ends: 556 [2019-12-28 04:49:46,896 INFO L226 Difference]: Without dead ends: 325 [2019-12-28 04:49:46,898 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-28 04:49:46,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-12-28 04:49:46,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2019-12-28 04:49:46,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-12-28 04:49:46,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 846 transitions. [2019-12-28 04:49:46,915 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 846 transitions. Word has length 34 [2019-12-28 04:49:46,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:49:46,916 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 846 transitions. [2019-12-28 04:49:46,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 04:49:46,916 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 846 transitions. [2019-12-28 04:49:46,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:49:46,918 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:49:46,918 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 04:49:46,918 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:49:46,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:49:46,919 INFO L82 PathProgramCache]: Analyzing trace with hash -908726199, now seen corresponding path program 2 times [2019-12-28 04:49:46,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:49:46,920 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108884685] [2019-12-28 04:49:46,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:49:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:49:47,147 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 04:49:47,147 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108884685] [2019-12-28 04:49:47,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:49:47,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:49:47,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1886149027] [2019-12-28 04:49:47,148 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:49:47,151 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:49:47,156 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 35 states and 34 transitions. [2019-12-28 04:49:47,156 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:49:47,157 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 04:49:47,157 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 04:49:47,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:49:47,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 04:49:47,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-28 04:49:47,158 INFO L87 Difference]: Start difference. First operand 325 states and 846 transitions. Second operand 8 states. [2019-12-28 04:49:47,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:49:47,304 INFO L93 Difference]: Finished difference Result 487 states and 1305 transitions. [2019-12-28 04:49:47,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 04:49:47,304 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2019-12-28 04:49:47,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:49:47,309 INFO L225 Difference]: With dead ends: 487 [2019-12-28 04:49:47,309 INFO L226 Difference]: Without dead ends: 313 [2019-12-28 04:49:47,309 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 04:49:47,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-12-28 04:49:47,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2019-12-28 04:49:47,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2019-12-28 04:49:47,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 816 transitions. [2019-12-28 04:49:47,319 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 816 transitions. Word has length 34 [2019-12-28 04:49:47,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:49:47,320 INFO L462 AbstractCegarLoop]: Abstraction has 313 states and 816 transitions. [2019-12-28 04:49:47,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 04:49:47,321 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 816 transitions. [2019-12-28 04:49:47,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-28 04:49:47,322 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 04:49:47,322 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 04:49:47,322 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 04:49:47,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 04:49:47,323 INFO L82 PathProgramCache]: Analyzing trace with hash 76422447, now seen corresponding path program 3 times [2019-12-28 04:49:47,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 04:49:47,323 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594112817] [2019-12-28 04:49:47,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 04:49:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 04:49:47,503 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 04:49:47,504 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594112817] [2019-12-28 04:49:47,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 04:49:47,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-28 04:49:47,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1645213458] [2019-12-28 04:49:47,506 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 04:49:47,509 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 04:49:47,518 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 47 states and 58 transitions. [2019-12-28 04:49:47,519 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 04:49:47,708 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 8 times. [2019-12-28 04:49:47,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-28 04:49:47,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 04:49:47,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-28 04:49:47,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-28 04:49:47,710 INFO L87 Difference]: Start difference. First operand 313 states and 816 transitions. Second operand 10 states. [2019-12-28 04:49:47,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 04:49:47,813 INFO L93 Difference]: Finished difference Result 259 states and 654 transitions. [2019-12-28 04:49:47,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 04:49:47,814 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 34 [2019-12-28 04:49:47,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 04:49:47,814 INFO L225 Difference]: With dead ends: 259 [2019-12-28 04:49:47,814 INFO L226 Difference]: Without dead ends: 0 [2019-12-28 04:49:47,815 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2019-12-28 04:49:47,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-28 04:49:47,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-28 04:49:47,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-28 04:49:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-28 04:49:47,816 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-12-28 04:49:47,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 04:49:47,816 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-28 04:49:47,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-28 04:49:47,816 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-28 04:49:47,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-28 04:49:47,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 04:49:47 BasicIcfg [2019-12-28 04:49:47,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 04:49:47,829 INFO L168 Benchmark]: Toolchain (without parser) took 4215.69 ms. Allocated memory was 142.1 MB in the beginning and 257.9 MB in the end (delta: 115.9 MB). Free memory was 98.6 MB in the beginning and 138.1 MB in the end (delta: -39.5 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. [2019-12-28 04:49:47,830 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-28 04:49:47,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.53 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 98.2 MB in the beginning and 157.4 MB in the end (delta: -59.2 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-12-28 04:49:47,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.62 ms. Allocated memory is still 200.3 MB. Free memory was 157.4 MB in the beginning and 155.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-28 04:49:47,838 INFO L168 Benchmark]: Boogie Preprocessor took 28.00 ms. Allocated memory is still 200.3 MB. Free memory was 155.3 MB in the beginning and 153.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-28 04:49:47,838 INFO L168 Benchmark]: RCFGBuilder took 434.19 ms. Allocated memory is still 200.3 MB. Free memory was 153.9 MB in the beginning and 133.5 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-12-28 04:49:47,839 INFO L168 Benchmark]: TraceAbstraction took 2969.91 ms. Allocated memory was 200.3 MB in the beginning and 257.9 MB in the end (delta: 57.7 MB). Free memory was 132.8 MB in the beginning and 138.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 52.3 MB. Max. memory is 7.1 GB. [2019-12-28 04:49:47,853 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 118.4 MB in the beginning and 118.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 724.53 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 98.2 MB in the beginning and 157.4 MB in the end (delta: -59.2 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.62 ms. Allocated memory is still 200.3 MB. Free memory was 157.4 MB in the beginning and 155.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.00 ms. Allocated memory is still 200.3 MB. Free memory was 155.3 MB in the beginning and 153.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 434.19 ms. Allocated memory is still 200.3 MB. Free memory was 153.9 MB in the beginning and 133.5 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2969.91 ms. Allocated memory was 200.3 MB in the beginning and 257.9 MB in the end (delta: 57.7 MB). Free memory was 132.8 MB in the beginning and 138.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 52.3 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, 54 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 294 SDtfs, 416 SDslu, 803 SDs, 0 SdLazy, 125 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1248occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 18966 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...